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///////////////////////////////////////////////////////////////////////
// File: tesseractclass.h
// Description: The Tesseract class. It holds/owns everything needed
// to run Tesseract on a single language, and also a set of
// sub-Tesseracts to run sub-languages. For thread safety, *every*
// global variable goes in here, directly, or indirectly.
// This makes it safe to run multiple Tesseracts in different
// threads in parallel, and keeps the different language
// instances separate.
// Author: Ray Smith
// Created: Fri Mar 07 08:17:01 PST 2008
//
// (C) Copyright 2008, Google Inc.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
///////////////////////////////////////////////////////////////////////
#ifndef TESSERACT_CCMAIN_TESSERACTCLASS_H__
#define TESSERACT_CCMAIN_TESSERACTCLASS_H__
#include "allheaders.h"
#include "control.h"
#include "docqual.h"
#include "devanagari_processing.h"
#include "genericvector.h"
#include "params.h"
#include "ocrclass.h"
#include "textord.h"
#include "wordrec.h"
class BLOB_CHOICE_LIST_CLIST;
class BLOCK_LIST;
class CharSamp;
struct OSResults;
class PAGE_RES;
class PAGE_RES_IT;
struct Pix;
class ROW;
class SVMenuNode;
class TBOX;
class TO_BLOCK_LIST;
class WERD;
class WERD_CHOICE;
class WERD_RES;
// Top-level class for all tesseract global instance data.
// This class either holds or points to all data used by an instance
// of Tesseract, including the memory allocator. When this is
// complete, Tesseract will be thread-safe. UNTIL THEN, IT IS NOT!
//
// NOTE to developers: Do not create cyclic dependencies through this class!
// The directory dependency tree must remain a tree! The keep this clean,
// lower-level code (eg in ccutil, the bottom level) must never need to
// know about the content of a higher-level directory.
// The following scheme will grant the easiest access to lower-level
// global members without creating a cyclic dependency:
//
// Class Hierarchy (^ = inheritance):
//
// CCUtil (ccutil/ccutil.h)
// ^ Members include: UNICHARSET
// CUtil (cutil/cutil_class.h)
// ^ Members include: TBLOB*, TEXTBLOCK*
// CCStruct (ccstruct/ccstruct.h)
// ^ Members include: Image
// Classify (classify/classify.h)
// ^ Members include: Dict
// WordRec (wordrec/wordrec.h)
// ^ Members include: WERD*, DENORM*
// Tesseract (ccmain/tesseractclass.h)
// Members include: Pix*, CubeRecoContext*,
// TesseractCubeCombiner*
//
// Other important classes:
//
// TessBaseAPI (api/baseapi.h)
// Members include: BLOCK_LIST*, PAGE_RES*,
// Tesseract*, ImageThresholder*
// Dict (dict/dict.h)
// Members include: Image* (private)
//
// NOTE: that each level contains members that correspond to global
// data that is defined (and used) at that level, not necessarily where
// the type is defined so for instance:
// BOOL_VAR_H(textord_show_blobs, false, "Display unsorted blobs");
// goes inside the Textord class, not the cc_util class.
namespace tesseract {
class ColumnFinder;
class CubeLineObject;
class CubeObject;
class CubeRecoContext;
class EquationDetect;
class Tesseract;
class TesseractCubeCombiner;
// A collection of various variables for statistics and debugging.
struct TesseractStats {
TesseractStats()
: adaption_word_number(0),
doc_blob_quality(0),
doc_outline_errs(0),
doc_char_quality(0),
good_char_count(0),
doc_good_char_quality(0),
word_count(0),
dict_words(0),
tilde_crunch_written(false),
last_char_was_newline(true),
last_char_was_tilde(false),
write_results_empty_block(true) {}
inT32 adaption_word_number;
inT16 doc_blob_quality;
inT16 doc_outline_errs;
inT16 doc_char_quality;
inT16 good_char_count;
inT16 doc_good_char_quality;
inT32 word_count; // count of word in the document
inT32 dict_words; // number of dicitionary words in the document
STRING dump_words_str; // accumulator used by dump_words()
// Flags used by write_results()
bool tilde_crunch_written;
bool last_char_was_newline;
bool last_char_was_tilde;
bool write_results_empty_block;
};
// Struct to hold all the pointers to relevant data for processing a word.
struct WordData {
WordData() : word(NULL), row(NULL), block(NULL), prev_word(NULL) {}
explicit WordData(const PAGE_RES_IT& page_res_it)
: word(page_res_it.word()), row(page_res_it.row()->row),
block(page_res_it.block()->block), prev_word(NULL) {}
WordData(BLOCK* block_in, ROW* row_in, WERD_RES* word_res)
: word(word_res), row(row_in), block(block_in), prev_word(NULL) {}
WERD_RES* word;
ROW* row;
BLOCK* block;
WordData* prev_word;
PointerVector<WERD_RES> lang_words;
};
// Definition of a Tesseract WordRecognizer. The WordData provides the context
// of row/block, in_word holds an initialized, possibly pre-classified word,
// that the recognizer may or may not consume (but if so it sets *in_word=NULL)
// and produces one or more output words in out_words, which may be the
// consumed in_word, or may be generated independently.
// This api allows both a conventional tesseract classifier to work, or a
// line-level classifier that generates multiple words from a merged input.
typedef void (Tesseract::*WordRecognizer)(const WordData& word_data,
WERD_RES** in_word,
PointerVector<WERD_RES>* out_words);
class Tesseract : public Wordrec {
public:
Tesseract();
~Tesseract();
// Clear as much used memory as possible without resetting the adaptive
// classifier or losing any other classifier data.
void Clear();
// Clear all memory of adaption for this and all subclassifiers.
void ResetAdaptiveClassifier();
// Clear the document dictionary for this and all subclassifiers.
void ResetDocumentDictionary();
// Set the equation detector.
void SetEquationDetect(EquationDetect* detector);
// Simple accessors.
const FCOORD& reskew() const {
return reskew_;
}
// Destroy any existing pix and return a pointer to the pointer.
Pix** mutable_pix_binary() {
Clear();
return &pix_binary_;
}
Pix* pix_binary() const {
return pix_binary_;
}
Pix* pix_grey() const {
return pix_grey_;
}
void set_pix_grey(Pix* grey_pix) {
pixDestroy(&pix_grey_);
pix_grey_ = grey_pix;
}
// Returns a pointer to a Pix representing the best available image of the
// page. The image will be 8-bit grey if the input was grey or color. Note
// that in grey 0 is black and 255 is white. If the input was binary, then
// the returned Pix will be binary. Note that here black is 1 and white is 0.
// To tell the difference pixGetDepth() will return 8 or 1.
// In either case, the return value is a borrowed Pix, and should not be
// deleted or pixDestroyed.
Pix* BestPix() const {
return pix_grey_ != NULL ? pix_grey_ : pix_binary_;
}
void set_pix_thresholds(Pix* thresholds) {
pixDestroy(&pix_thresholds_);
pix_thresholds_ = thresholds;
}
int source_resolution() const {
return source_resolution_;
}
void set_source_resolution(int ppi) {
source_resolution_ = ppi;
}
int ImageWidth() const {
return pixGetWidth(pix_binary_);
}
int ImageHeight() const {
return pixGetHeight(pix_binary_);
}
Pix* scaled_color() const {
return scaled_color_;
}
int scaled_factor() const {
return scaled_factor_;
}
void SetScaledColor(int factor, Pix* color) {
scaled_factor_ = factor;
scaled_color_ = color;
}
const Textord& textord() const {
return textord_;
}
Textord* mutable_textord() {
return &textord_;
}
bool right_to_left() const {
return right_to_left_;
}
int num_sub_langs() const {
return sub_langs_.size();
}
Tesseract* get_sub_lang(int index) const {
return sub_langs_[index];
}
// Returns true if any language uses Tesseract (as opposed to cube).
bool AnyTessLang() const {
if (tessedit_ocr_engine_mode != OEM_CUBE_ONLY) return true;
for (int i = 0; i < sub_langs_.size(); ++i) {
if (sub_langs_[i]->tessedit_ocr_engine_mode != OEM_CUBE_ONLY)
return true;
}
return false;
}
void SetBlackAndWhitelist();
// Perform steps to prepare underlying binary image/other data structures for
// page segmentation. Uses the strategy specified in the global variable
// pageseg_devanagari_split_strategy for perform splitting while preparing for
// page segmentation.
void PrepareForPageseg();
// Perform steps to prepare underlying binary image/other data structures for
// Tesseract OCR. The current segmentation is required by this method.
// Uses the strategy specified in the global variable
// ocr_devanagari_split_strategy for performing splitting while preparing for
// Tesseract ocr.
void PrepareForTessOCR(BLOCK_LIST* block_list,
Tesseract* osd_tess, OSResults* osr);
int SegmentPage(const STRING* input_file, BLOCK_LIST* blocks,
Tesseract* osd_tess, OSResults* osr);
void SetupWordScripts(BLOCK_LIST* blocks);
int AutoPageSeg(PageSegMode pageseg_mode,
BLOCK_LIST* blocks, TO_BLOCK_LIST* to_blocks,
Tesseract* osd_tess, OSResults* osr);
ColumnFinder* SetupPageSegAndDetectOrientation(
bool single_column, bool osd, bool only_osd,
BLOCK_LIST* blocks, Tesseract* osd_tess, OSResults* osr,
TO_BLOCK_LIST* to_blocks, Pix** photo_mask_pix, Pix** music_mask_pix);
// par_control.cpp
void PrerecAllWordsPar(const GenericVector<WordData>& words);
//// control.h /////////////////////////////////////////////////////////
bool ProcessTargetWord(const TBOX& word_box, const TBOX& target_word_box,
const char* word_config, int pass);
// Sets up the words ready for whichever engine is to be run
void SetupAllWordsPassN(int pass_n,
const TBOX* target_word_box,
const char* word_config,
PAGE_RES* page_res,
GenericVector<WordData>* words);
// Sets up the single word ready for whichever engine is to be run.
void SetupWordPassN(int pass_n, WordData* word);
// Runs word recognition on all the words.
bool RecogAllWordsPassN(int pass_n, ETEXT_DESC* monitor,
PAGE_RES_IT* pr_it,
GenericVector<WordData>* words);
bool recog_all_words(PAGE_RES* page_res,
ETEXT_DESC* monitor,
const TBOX* target_word_box,
const char* word_config,
int dopasses);
void rejection_passes(PAGE_RES* page_res,
ETEXT_DESC* monitor,
const TBOX* target_word_box,
const char* word_config);
void bigram_correction_pass(PAGE_RES *page_res);
void blamer_pass(PAGE_RES* page_res);
// Sets script positions and detects smallcaps on all output words.
void script_pos_pass(PAGE_RES* page_res);
// Helper to recognize the word using the given (language-specific) tesseract.
// Returns positive if this recognizer found more new best words than the
// number kept from best_words.
int RetryWithLanguage(const WordData& word_data,
WordRecognizer recognizer,
WERD_RES** in_word,
PointerVector<WERD_RES>* best_words);
void classify_word_and_language(WordRecognizer recognizer,
PAGE_RES_IT* pr_it,
WordData* word_data);
void classify_word_pass1(const WordData& word_data,
WERD_RES** in_word,
PointerVector<WERD_RES>* out_words);
void recog_pseudo_word(PAGE_RES* page_res, // blocks to check
TBOX &selection_box);
void fix_rep_char(PAGE_RES_IT* page_res_it);
ACCEPTABLE_WERD_TYPE acceptable_word_string(const UNICHARSET& char_set,
const char *s,
const char *lengths);
void match_word_pass_n(int pass_n, WERD_RES *word, ROW *row, BLOCK* block);
void classify_word_pass2(const WordData& word_data,
WERD_RES** in_word,
PointerVector<WERD_RES>* out_words);
void ReportXhtFixResult(bool accept_new_word, float new_x_ht,
WERD_RES* word, WERD_RES* new_word);
bool RunOldFixXht(WERD_RES *word, BLOCK* block, ROW *row);
bool TrainedXheightFix(WERD_RES *word, BLOCK* block, ROW *row);
BOOL8 recog_interactive(PAGE_RES_IT* pr_it);
// Set fonts of this word.
void set_word_fonts(WERD_RES *word);
void font_recognition_pass(PAGE_RES* page_res);
void dictionary_correction_pass(PAGE_RES* page_res);
BOOL8 check_debug_pt(WERD_RES *word, int location);
//// superscript.cpp ////////////////////////////////////////////////////
bool SubAndSuperscriptFix(WERD_RES *word_res);
void GetSubAndSuperscriptCandidates(const WERD_RES *word,
int *num_rebuilt_leading,
ScriptPos *leading_pos,
float *leading_certainty,
int *num_rebuilt_trailing,
ScriptPos *trailing_pos,
float *trailing_certainty,
float *avg_certainty,
float *unlikely_threshold);
WERD_RES *TrySuperscriptSplits(int num_chopped_leading,
float leading_certainty,
ScriptPos leading_pos,
int num_chopped_trailing,
float trailing_certainty,
ScriptPos trailing_pos,
WERD_RES *word,
bool *is_good,
int *retry_leading,
int *retry_trailing);
bool BelievableSuperscript(bool debug,
const WERD_RES &word,
float certainty_threshold,
int *left_ok,
int *right_ok) const;
//// cube_control.cpp ///////////////////////////////////////////////////
bool init_cube_objects(bool load_combiner,
TessdataManager *tessdata_manager);
// Iterates through tesseract's results and calls cube on each word,
// combining the results with the existing tesseract result.
void run_cube_combiner(PAGE_RES *page_res);
// Recognizes a single word using (only) cube. Compatible with
// Tesseract's classify_word_pass1/classify_word_pass2.
void cube_word_pass1(BLOCK* block, ROW *row, WERD_RES *word);
// Cube recognizer to recognize a single word as with classify_word_pass1
// but also returns the cube object in case the combiner is needed.
CubeObject* cube_recognize_word(BLOCK* block, WERD_RES* word);
// Combines the cube and tesseract results for a single word, leaving the
// result in tess_word.
void cube_combine_word(CubeObject* cube_obj, WERD_RES* cube_word,
WERD_RES* tess_word);
// Call cube on the current word, and write the result to word.
// Sets up a fake result and returns false if something goes wrong.
bool cube_recognize(CubeObject *cube_obj, BLOCK* block, WERD_RES *word);
void fill_werd_res(const BoxWord& cube_box_word,
const char* cube_best_str,
WERD_RES* tess_werd_res);
bool extract_cube_state(CubeObject* cube_obj, int* num_chars,
Boxa** char_boxes, CharSamp*** char_samples);
bool create_cube_box_word(Boxa *char_boxes, int num_chars,
TBOX word_box, BoxWord* box_word);
//// output.h //////////////////////////////////////////////////////////
void output_pass(PAGE_RES_IT &page_res_it, const TBOX *target_word_box);
void write_results(PAGE_RES_IT &page_res_it, // full info
char newline_type, // type of newline
BOOL8 force_eol // override tilde crunch?
);
void set_unlv_suspects(WERD_RES *word);
UNICHAR_ID get_rep_char(WERD_RES *word); // what char is repeated?
BOOL8 acceptable_number_string(const char *s,
const char *lengths);
inT16 count_alphanums(const WERD_CHOICE &word);
inT16 count_alphas(const WERD_CHOICE &word);
//// tessedit.h ////////////////////////////////////////////////////////
void read_config_file(const char *filename, SetParamConstraint constraint);
// Initialize for potentially a set of languages defined by the language
// string and recursively any additional languages required by any language
// traineddata file (via tessedit_load_sublangs in its config) that is loaded.
// See init_tesseract_internal for args.
int init_tesseract(const char *arg0,
const char *textbase,
const char *language,
OcrEngineMode oem,
char **configs,
int configs_size,
const GenericVector<STRING> *vars_vec,
const GenericVector<STRING> *vars_values,
bool set_only_init_params);
int init_tesseract(const char *datapath,
const char *language,
OcrEngineMode oem) {
return init_tesseract(datapath, NULL, language, oem,
NULL, 0, NULL, NULL, false);
}
// Common initialization for a single language.
// arg0 is the datapath for the tessdata directory, which could be the
// path of the tessdata directory with no trailing /, or (if tessdata
// lives in the same directory as the executable, the path of the executable,
// hence the name arg0.
// textbase is an optional output file basename (used only for training)
// language is the language code to load.
// oem controls which engine(s) will operate on the image
// configs (argv) is an array of config filenames to load variables from.
// May be NULL.
// configs_size (argc) is the number of elements in configs.
// vars_vec is an optional vector of variables to set.
// vars_values is an optional corresponding vector of values for the variables
// in vars_vec.
// If set_only_init_params is true, then only the initialization variables
// will be set.
int init_tesseract_internal(const char *arg0,
const char *textbase,
const char *language,
OcrEngineMode oem,
char **configs,
int configs_size,
const GenericVector<STRING> *vars_vec,
const GenericVector<STRING> *vars_values,
bool set_only_init_params);
// Set the universal_id member of each font to be unique among all
// instances of the same font loaded.
void SetupUniversalFontIds();
int init_tesseract_lm(const char *arg0,
const char *textbase,
const char *language);
void recognize_page(STRING& image_name);
void end_tesseract();
bool init_tesseract_lang_data(const char *arg0,
const char *textbase,
const char *language,
OcrEngineMode oem,
char **configs,
int configs_size,
const GenericVector<STRING> *vars_vec,
const GenericVector<STRING> *vars_values,
bool set_only_init_params);
void ParseLanguageString(const char* lang_str,
GenericVector<STRING>* to_load,
GenericVector<STRING>* not_to_load);
//// pgedit.h //////////////////////////////////////////////////////////
SVMenuNode *build_menu_new();
#ifndef GRAPHICS_DISABLED
void pgeditor_main(int width, int height, PAGE_RES* page_res);
#endif // GRAPHICS_DISABLED
void process_image_event( // action in image win
const SVEvent &event);
BOOL8 process_cmd_win_event( // UI command semantics
inT32 cmd_event, // which menu item?
char *new_value // any prompt data
);
void debug_word(PAGE_RES* page_res, const TBOX &selection_box);
void do_re_display(
BOOL8 (tesseract::Tesseract::*word_painter)(PAGE_RES_IT* pr_it));
BOOL8 word_display(PAGE_RES_IT* pr_it);
BOOL8 word_bln_display(PAGE_RES_IT* pr_it);
BOOL8 word_blank_and_set_display(PAGE_RES_IT* pr_its);
BOOL8 word_set_display(PAGE_RES_IT* pr_it);
// #ifndef GRAPHICS_DISABLED
BOOL8 word_dumper(PAGE_RES_IT* pr_it);
// #endif // GRAPHICS_DISABLED
void blob_feature_display(PAGE_RES* page_res, const TBOX& selection_box);
//// reject.h //////////////////////////////////////////////////////////
// make rej map for word
void make_reject_map(WERD_RES *word, ROW *row, inT16 pass);
BOOL8 one_ell_conflict(WERD_RES *word_res, BOOL8 update_map);
inT16 first_alphanum_index(const char *word,
const char *word_lengths);
inT16 first_alphanum_offset(const char *word,
const char *word_lengths);
inT16 alpha_count(const char *word,
const char *word_lengths);
BOOL8 word_contains_non_1_digit(const char *word,
const char *word_lengths);
void dont_allow_1Il(WERD_RES *word);
inT16 count_alphanums( //how many alphanums
WERD_RES *word);
void flip_0O(WERD_RES *word);
BOOL8 non_0_digit(const UNICHARSET& ch_set, UNICHAR_ID unichar_id);
BOOL8 non_O_upper(const UNICHARSET& ch_set, UNICHAR_ID unichar_id);
BOOL8 repeated_nonalphanum_wd(WERD_RES *word, ROW *row);
void nn_match_word( //Match a word
WERD_RES *word,
ROW *row);
void nn_recover_rejects(WERD_RES *word, ROW *row);
void set_done( //set done flag
WERD_RES *word,
inT16 pass);
inT16 safe_dict_word(const WERD_RES *werd_res); // is best_choice in dict?
void flip_hyphens(WERD_RES *word);
void reject_I_1_L(WERD_RES *word);
void reject_edge_blobs(WERD_RES *word);
void reject_mostly_rejects(WERD_RES *word);
//// adaptions.h ///////////////////////////////////////////////////////
BOOL8 word_adaptable( //should we adapt?
WERD_RES *word,
uinT16 mode);
//// tfacepp.cpp ///////////////////////////////////////////////////////
void recog_word_recursive(WERD_RES* word);
void recog_word(WERD_RES *word);
void split_and_recog_word(WERD_RES* word);
void split_word(WERD_RES *word,
int split_pt,
WERD_RES **right_piece,
BlamerBundle **orig_blamer_bundle) const;
void join_words(WERD_RES *word,
WERD_RES *word2,
BlamerBundle *orig_bb) const;
//// fixspace.cpp ///////////////////////////////////////////////////////
BOOL8 digit_or_numeric_punct(WERD_RES *word, int char_position);
inT16 eval_word_spacing(WERD_RES_LIST &word_res_list);
void match_current_words(WERD_RES_LIST &words, ROW *row, BLOCK* block);
inT16 fp_eval_word_spacing(WERD_RES_LIST &word_res_list);
void fix_noisy_space_list(WERD_RES_LIST &best_perm, ROW *row, BLOCK* block);
void fix_fuzzy_space_list(WERD_RES_LIST &best_perm, ROW *row, BLOCK* block);
void fix_sp_fp_word(WERD_RES_IT &word_res_it, ROW *row, BLOCK* block);
void fix_fuzzy_spaces( //find fuzzy words
ETEXT_DESC *monitor, //progress monitor
inT32 word_count, //count of words in doc
PAGE_RES *page_res);
void dump_words(WERD_RES_LIST &perm, inT16 score,
inT16 mode, BOOL8 improved);
BOOL8 fixspace_thinks_word_done(WERD_RES *word);
inT16 worst_noise_blob(WERD_RES *word_res, float *worst_noise_score);
float blob_noise_score(TBLOB *blob);
void break_noisiest_blob_word(WERD_RES_LIST &words);
//// docqual.cpp ////////////////////////////////////////////////////////
GARBAGE_LEVEL garbage_word(WERD_RES *word, BOOL8 ok_dict_word);
BOOL8 potential_word_crunch(WERD_RES *word,
GARBAGE_LEVEL garbage_level,
BOOL8 ok_dict_word);
void tilde_crunch(PAGE_RES_IT &page_res_it);
void unrej_good_quality_words( //unreject potential
PAGE_RES_IT &page_res_it);
void doc_and_block_rejection( //reject big chunks
PAGE_RES_IT &page_res_it,
BOOL8 good_quality_doc);
void quality_based_rejection(PAGE_RES_IT &page_res_it,
BOOL8 good_quality_doc);
void convert_bad_unlv_chs(WERD_RES *word_res);
void tilde_delete(PAGE_RES_IT &page_res_it);
inT16 word_blob_quality(WERD_RES *word, ROW *row);
void word_char_quality(WERD_RES *word, ROW *row, inT16 *match_count,
inT16 *accepted_match_count);
void unrej_good_chs(WERD_RES *word, ROW *row);
inT16 count_outline_errs(char c, inT16 outline_count);
inT16 word_outline_errs(WERD_RES *word);
BOOL8 terrible_word_crunch(WERD_RES *word, GARBAGE_LEVEL garbage_level);
CRUNCH_MODE word_deletable(WERD_RES *word, inT16 &delete_mode);
inT16 failure_count(WERD_RES *word);
BOOL8 noise_outlines(TWERD *word);
//// pagewalk.cpp ///////////////////////////////////////////////////////
void
process_selected_words (
PAGE_RES* page_res, // blocks to check
//function to call
TBOX & selection_box,
BOOL8 (tesseract::Tesseract::*word_processor)(PAGE_RES_IT* pr_it));
//// tessbox.cpp ///////////////////////////////////////////////////////
void tess_add_doc_word( //test acceptability
WERD_CHOICE *word_choice //after context
);
void tess_segment_pass_n(int pass_n, WERD_RES *word);
bool tess_acceptable_word(WERD_RES *word);
//// applybox.cpp //////////////////////////////////////////////////////
// Applies the box file based on the image name fname, and resegments
// the words in the block_list (page), with:
// blob-mode: one blob per line in the box file, words as input.
// word/line-mode: one blob per space-delimited unit after the #, and one word
// per line in the box file. (See comment above for box file format.)
// If find_segmentation is true, (word/line mode) then the classifier is used
// to re-segment words/lines to match the space-delimited truth string for
// each box. In this case, the input box may be for a word or even a whole
// text line, and the output words will contain multiple blobs corresponding
// to the space-delimited input string.
// With find_segmentation false, no classifier is needed, but the chopper
// can still be used to correctly segment touching characters with the help
// of the input boxes.
// In the returned PAGE_RES, the WERD_RES are setup as they would be returned
// from normal classification, ie. with a word, chopped_word, rebuild_word,
// seam_array, denorm, box_word, and best_state, but NO best_choice or
// raw_choice, as they would require a UNICHARSET, which we aim to avoid.
// Instead, the correct_text member of WERD_RES is set, and this may be later
// converted to a best_choice using CorrectClassifyWords. CorrectClassifyWords
// is not required before calling ApplyBoxTraining.
PAGE_RES* ApplyBoxes(const STRING& fname, bool find_segmentation,
BLOCK_LIST *block_list);
// Any row xheight that is significantly different from the median is set
// to the median.
void PreenXHeights(BLOCK_LIST *block_list);
// Builds a PAGE_RES from the block_list in the way required for ApplyBoxes:
// All fuzzy spaces are removed, and all the words are maximally chopped.
PAGE_RES* SetupApplyBoxes(const GenericVector<TBOX>& boxes,
BLOCK_LIST *block_list);
// Tests the chopper by exhaustively running chop_one_blob.
// The word_res will contain filled chopped_word, seam_array, denorm,
// box_word and best_state for the maximally chopped word.
void MaximallyChopWord(const GenericVector<TBOX>& boxes,
BLOCK* block, ROW* row, WERD_RES* word_res);
// Gather consecutive blobs that match the given box into the best_state
// and corresponding correct_text.
// Fights over which box owns which blobs are settled by pre-chopping and
// applying the blobs to box or next_box with the least non-overlap.
// Returns false if the box was in error, which can only be caused by
// failing to find an appropriate blob for a box.
// This means that occasionally, blobs may be incorrectly segmented if the
// chopper fails to find a suitable chop point.
bool ResegmentCharBox(PAGE_RES* page_res, const TBOX *prev_box,
const TBOX& box, const TBOX& next_box,
const char* correct_text);
// Consume all source blobs that strongly overlap the given box,
// putting them into a new word, with the correct_text label.
// Fights over which box owns which blobs are settled by
// applying the blobs to box or next_box with the least non-overlap.
// Returns false if the box was in error, which can only be caused by
// failing to find an overlapping blob for a box.
bool ResegmentWordBox(BLOCK_LIST *block_list,
const TBOX& box, const TBOX& next_box,
const char* correct_text);
// Resegments the words by running the classifier in an attempt to find the
// correct segmentation that produces the required string.
void ReSegmentByClassification(PAGE_RES* page_res);
// Converts the space-delimited string of utf8 text to a vector of UNICHAR_ID.
// Returns false if an invalid UNICHAR_ID is encountered.
bool ConvertStringToUnichars(const char* utf8,
GenericVector<UNICHAR_ID>* class_ids);
// Resegments the word to achieve the target_text from the classifier.
// Returns false if the re-segmentation fails.
// Uses brute-force combination of upto kMaxGroupSize adjacent blobs, and
// applies a full search on the classifier results to find the best classified
// segmentation. As a compromise to obtain better recall, 1-1 ambigiguity
// substitutions ARE used.
bool FindSegmentation(const GenericVector<UNICHAR_ID>& target_text,
WERD_RES* word_res);
// Recursive helper to find a match to the target_text (from text_index
// position) in the choices (from choices_pos position).
// Choices is an array of GenericVectors, of length choices_length, with each
// element representing a starting position in the word, and the
// GenericVector holding classification results for a sequence of consecutive
// blobs, with index 0 being a single blob, index 1 being 2 blobs etc.
void SearchForText(const GenericVector<BLOB_CHOICE_LIST*>* choices,
int choices_pos, int choices_length,
const GenericVector<UNICHAR_ID>& target_text,
int text_index,
float rating, GenericVector<int>* segmentation,
float* best_rating, GenericVector<int>* best_segmentation);
// Counts up the labelled words and the blobs within.
// Deletes all unused or emptied words, counting the unused ones.
// Resets W_BOL and W_EOL flags correctly.
// Builds the rebuild_word and rebuilds the box_word.
void TidyUp(PAGE_RES* page_res);
// Logs a bad box by line in the box file and box coords.
void ReportFailedBox(int boxfile_lineno, TBOX box, const char *box_ch,
const char *err_msg);
// Creates a fake best_choice entry in each WERD_RES with the correct text.
void CorrectClassifyWords(PAGE_RES* page_res);
// Call LearnWord to extract features for labelled blobs within each word.
// Features are written to the given filename.
void ApplyBoxTraining(const STRING& filename, PAGE_RES* page_res);
//// fixxht.cpp ///////////////////////////////////////////////////////
// Returns the number of misfit blob tops in this word.
int CountMisfitTops(WERD_RES *word_res);
// Returns a new x-height in pixels (original image coords) that is
// maximally compatible with the result in word_res.
// Returns 0.0f if no x-height is found that is better than the current
// estimate.
float ComputeCompatibleXheight(WERD_RES *word_res);
//// Data members ///////////////////////////////////////////////////////
// TODO(ocr-team): Find and remove obsolete parameters.
BOOL_VAR_H(tessedit_resegment_from_boxes, false,
"Take segmentation and labeling from box file");
BOOL_VAR_H(tessedit_resegment_from_line_boxes, false,
"Conversion of word/line box file to char box file");
BOOL_VAR_H(tessedit_train_from_boxes, false,
"Generate training data from boxed chars");
BOOL_VAR_H(tessedit_make_boxes_from_boxes, false,
"Generate more boxes from boxed chars");
BOOL_VAR_H(tessedit_dump_pageseg_images, false,
"Dump intermediate images made during page segmentation");
INT_VAR_H(tessedit_pageseg_mode, PSM_SINGLE_BLOCK,
"Page seg mode: 0=osd only, 1=auto+osd, 2=auto, 3=col, 4=block,"
" 5=line, 6=word, 7=char"
" (Values from PageSegMode enum in publictypes.h)");
INT_VAR_H(tessedit_ocr_engine_mode, tesseract::OEM_TESSERACT_ONLY,
"Which OCR engine(s) to run (Tesseract, Cube, both). Defaults"
" to loading and running only Tesseract (no Cube, no combiner)."
" (Values from OcrEngineMode enum in tesseractclass.h)");
STRING_VAR_H(tessedit_char_blacklist, "",
"Blacklist of chars not to recognize");
STRING_VAR_H(tessedit_char_whitelist, "",
"Whitelist of chars to recognize");
STRING_VAR_H(tessedit_char_unblacklist, "",
"List of chars to override tessedit_char_blacklist");
BOOL_VAR_H(tessedit_ambigs_training, false,
"Perform training for ambiguities");
INT_VAR_H(pageseg_devanagari_split_strategy,
tesseract::ShiroRekhaSplitter::NO_SPLIT,
"Whether to use the top-line splitting process for Devanagari "
"documents while performing page-segmentation.");
INT_VAR_H(ocr_devanagari_split_strategy,
tesseract::ShiroRekhaSplitter::NO_SPLIT,
"Whether to use the top-line splitting process for Devanagari "
"documents while performing ocr.");
STRING_VAR_H(tessedit_write_params_to_file, "",
"Write all parameters to the given file.");
BOOL_VAR_H(tessedit_adaption_debug, false,
"Generate and print debug information for adaption");
INT_VAR_H(bidi_debug, 0, "Debug level for BiDi");
INT_VAR_H(applybox_debug, 1, "Debug level");
INT_VAR_H(applybox_page, 0, "Page number to apply boxes from");
STRING_VAR_H(applybox_exposure_pattern, ".exp",
"Exposure value follows this pattern in the image"
" filename. The name of the image files are expected"
" to be in the form [lang].[fontname].exp[num].tif");
BOOL_VAR_H(applybox_learn_chars_and_char_frags_mode, false,
"Learn both character fragments (as is done in the"
" special low exposure mode) as well as unfragmented"
" characters.");
BOOL_VAR_H(applybox_learn_ngrams_mode, false,
"Each bounding box is assumed to contain ngrams. Only"
" learn the ngrams whose outlines overlap horizontally.");
BOOL_VAR_H(tessedit_display_outwords, false, "Draw output words");
BOOL_VAR_H(tessedit_dump_choices, false, "Dump char choices");
BOOL_VAR_H(tessedit_timing_debug, false, "Print timing stats");
BOOL_VAR_H(tessedit_fix_fuzzy_spaces, true,
"Try to improve fuzzy spaces");
BOOL_VAR_H(tessedit_unrej_any_wd, false,
"Dont bother with word plausibility");
BOOL_VAR_H(tessedit_fix_hyphens, true, "Crunch double hyphens?");
BOOL_VAR_H(tessedit_redo_xheight, true, "Check/Correct x-height");
BOOL_VAR_H(tessedit_enable_doc_dict, true,
"Add words to the document dictionary");
BOOL_VAR_H(tessedit_debug_fonts, false, "Output font info per char");
BOOL_VAR_H(tessedit_debug_block_rejection, false, "Block and Row stats");
BOOL_VAR_H(tessedit_enable_bigram_correction, true,
"Enable correction based on the word bigram dictionary.");
BOOL_VAR_H(tessedit_enable_dict_correction, false,
"Enable single word correction based on the dictionary.");
INT_VAR_H(tessedit_bigram_debug, 0, "Amount of debug output for bigram "
"correction.");
INT_VAR_H(debug_x_ht_level, 0, "Reestimate debug");
BOOL_VAR_H(debug_acceptable_wds, false, "Dump word pass/fail chk");
STRING_VAR_H(chs_leading_punct, "('`\"", "Leading punctuation");
STRING_VAR_H(chs_trailing_punct1, ").,;:?!", "1st Trailing punctuation");
STRING_VAR_H(chs_trailing_punct2, ")'`\"", "2nd Trailing punctuation");
double_VAR_H(quality_rej_pc, 0.08, "good_quality_doc lte rejection limit");
double_VAR_H(quality_blob_pc, 0.0, "good_quality_doc gte good blobs limit");
double_VAR_H(quality_outline_pc, 1.0,
"good_quality_doc lte outline error limit");
double_VAR_H(quality_char_pc, 0.95, "good_quality_doc gte good char limit");
INT_VAR_H(quality_min_initial_alphas_reqd, 2, "alphas in a good word");
INT_VAR_H(tessedit_tess_adaption_mode, 0x27,
"Adaptation decision algorithm for tess");
BOOL_VAR_H(tessedit_minimal_rej_pass1, false,
"Do minimal rejection on pass 1 output");
BOOL_VAR_H(tessedit_test_adaption, false, "Test adaption criteria");
BOOL_VAR_H(tessedit_matcher_log, false, "Log matcher activity");
INT_VAR_H(tessedit_test_adaption_mode, 3,
"Adaptation decision algorithm for tess");
BOOL_VAR_H(test_pt, false, "Test for point");
double_VAR_H(test_pt_x, 99999.99, "xcoord");
double_VAR_H(test_pt_y, 99999.99, "ycoord");
INT_VAR_H(paragraph_debug_level, 0, "Print paragraph debug info.");
BOOL_VAR_H(paragraph_text_based, true,
"Run paragraph detection on the post-text-recognition "
"(more accurate)");
INT_VAR_H(cube_debug_level, 1, "Print cube debug info.");
STRING_VAR_H(outlines_odd, "%| ", "Non standard number of outlines");
STRING_VAR_H(outlines_2, "ij!?%\":;", "Non standard number of outlines");
BOOL_VAR_H(docqual_excuse_outline_errs, false,
"Allow outline errs in unrejection?");
BOOL_VAR_H(tessedit_good_quality_unrej, true,
"Reduce rejection on good docs");
BOOL_VAR_H(tessedit_use_reject_spaces, true, "Reject spaces?");
double_VAR_H(tessedit_reject_doc_percent, 65.00,
"%rej allowed before rej whole doc");
double_VAR_H(tessedit_reject_block_percent, 45.00,
"%rej allowed before rej whole block");
double_VAR_H(tessedit_reject_row_percent, 40.00,
"%rej allowed before rej whole row");
double_VAR_H(tessedit_whole_wd_rej_row_percent, 70.00,
"Number of row rejects in whole word rejects"
"which prevents whole row rejection");
BOOL_VAR_H(tessedit_preserve_blk_rej_perfect_wds, true,
"Only rej partially rejected words in block rejection");
BOOL_VAR_H(tessedit_preserve_row_rej_perfect_wds, true,
"Only rej partially rejected words in row rejection");
BOOL_VAR_H(tessedit_dont_blkrej_good_wds, false,
"Use word segmentation quality metric");
BOOL_VAR_H(tessedit_dont_rowrej_good_wds, false,
"Use word segmentation quality metric");
INT_VAR_H(tessedit_preserve_min_wd_len, 2,
"Only preserve wds longer than this");
BOOL_VAR_H(tessedit_row_rej_good_docs, true,
"Apply row rejection to good docs");
double_VAR_H(tessedit_good_doc_still_rowrej_wd, 1.1,
"rej good doc wd if more than this fraction rejected");
BOOL_VAR_H(tessedit_reject_bad_qual_wds, true,
"Reject all bad quality wds");
BOOL_VAR_H(tessedit_debug_doc_rejection, false, "Page stats");
BOOL_VAR_H(tessedit_debug_quality_metrics, false,
"Output data to debug file");
BOOL_VAR_H(bland_unrej, false, "unrej potential with no chekcs");
double_VAR_H(quality_rowrej_pc, 1.1,
"good_quality_doc gte good char limit");
BOOL_VAR_H(unlv_tilde_crunching, true,
"Mark v.bad words for tilde crunch");
BOOL_VAR_H(hocr_font_info, false,
"Add font info to hocr output");
BOOL_VAR_H(crunch_early_merge_tess_fails, true, "Before word crunch?");
BOOL_VAR_H(crunch_early_convert_bad_unlv_chs, false, "Take out ~^ early?");
double_VAR_H(crunch_terrible_rating, 80.0, "crunch rating lt this");
BOOL_VAR_H(crunch_terrible_garbage, true, "As it says");
double_VAR_H(crunch_poor_garbage_cert, -9.0,
"crunch garbage cert lt this");
double_VAR_H(crunch_poor_garbage_rate, 60, "crunch garbage rating lt this");
double_VAR_H(crunch_pot_poor_rate, 40, "POTENTIAL crunch rating lt this");
double_VAR_H(crunch_pot_poor_cert, -8.0, "POTENTIAL crunch cert lt this");
BOOL_VAR_H(crunch_pot_garbage, true, "POTENTIAL crunch garbage");
double_VAR_H(crunch_del_rating, 60, "POTENTIAL crunch rating lt this");
double_VAR_H(crunch_del_cert, -10.0, "POTENTIAL crunch cert lt this");
double_VAR_H(crunch_del_min_ht, 0.7, "Del if word ht lt xht x this");
double_VAR_H(crunch_del_max_ht, 3.0, "Del if word ht gt xht x this");
double_VAR_H(crunch_del_min_width, 3.0, "Del if word width lt xht x this");
double_VAR_H(crunch_del_high_word, 1.5,
"Del if word gt xht x this above bl");
double_VAR_H(crunch_del_low_word, 0.5, "Del if word gt xht x this below bl");
double_VAR_H(crunch_small_outlines_size, 0.6, "Small if lt xht x this");
INT_VAR_H(crunch_rating_max, 10, "For adj length in rating per ch");
INT_VAR_H(crunch_pot_indicators, 1, "How many potential indicators needed");
BOOL_VAR_H(crunch_leave_ok_strings, true, "Dont touch sensible strings");
BOOL_VAR_H(crunch_accept_ok, true, "Use acceptability in okstring");
BOOL_VAR_H(crunch_leave_accept_strings, false,
"Dont pot crunch sensible strings");
BOOL_VAR_H(crunch_include_numerals, false, "Fiddle alpha figures");
INT_VAR_H(crunch_leave_lc_strings, 4,
"Dont crunch words with long lower case strings");
INT_VAR_H(crunch_leave_uc_strings, 4,
"Dont crunch words with long lower case strings");
INT_VAR_H(crunch_long_repetitions, 3, "Crunch words with long repetitions");
INT_VAR_H(crunch_debug, 0, "As it says");
INT_VAR_H(fixsp_non_noise_limit, 1,
"How many non-noise blbs either side?");
double_VAR_H(fixsp_small_outlines_size, 0.28, "Small if lt xht x this");
BOOL_VAR_H(tessedit_prefer_joined_punct, false, "Reward punctation joins");
INT_VAR_H(fixsp_done_mode, 1, "What constitues done for spacing");
INT_VAR_H(debug_fix_space_level, 0, "Contextual fixspace debug");
STRING_VAR_H(numeric_punctuation, ".,",
"Punct. chs expected WITHIN numbers");
INT_VAR_H(x_ht_acceptance_tolerance, 8,
"Max allowed deviation of blob top outside of font data");
INT_VAR_H(x_ht_min_change, 8, "Min change in xht before actually trying it");
INT_VAR_H(superscript_debug, 0, "Debug level for sub & superscript fixer");
double_VAR_H(superscript_worse_certainty, 2.0, "How many times worse "
"certainty does a superscript position glyph need to be for us "
"to try classifying it as a char with a different baseline?");
double_VAR_H(superscript_bettered_certainty, 0.97, "What reduction in "
"badness do we think sufficient to choose a superscript over "
"what we'd thought. For example, a value of 0.6 means we want "
"to reduce badness of certainty by 40%");
double_VAR_H(superscript_scaledown_ratio, 0.4,
"A superscript scaled down more than this is unbelievably "
"small. For example, 0.3 means we expect the font size to "
"be no smaller than 30% of the text line font size.");
double_VAR_H(subscript_max_y_top, 0.5,
"Maximum top of a character measured as a multiple of x-height "
"above the baseline for us to reconsider whether it's a "
"subscript.");
double_VAR_H(superscript_min_y_bottom, 0.3,
"Minimum bottom of a character measured as a multiple of "
"x-height above the baseline for us to reconsider whether it's "
"a superscript.");
BOOL_VAR_H(tessedit_write_block_separators, false,
"Write block separators in output");
BOOL_VAR_H(tessedit_write_rep_codes, false,
"Write repetition char code");
BOOL_VAR_H(tessedit_write_unlv, false, "Write .unlv output file");
BOOL_VAR_H(tessedit_create_txt, true, "Write .txt output file");
BOOL_VAR_H(tessedit_create_hocr, false, "Write .html hOCR output file");
BOOL_VAR_H(tessedit_create_pdf, false, "Write .pdf output file");
STRING_VAR_H(unrecognised_char, "|",
"Output char for unidentified blobs");
INT_VAR_H(suspect_level, 99, "Suspect marker level");
INT_VAR_H(suspect_space_level, 100,
"Min suspect level for rejecting spaces");
INT_VAR_H(suspect_short_words, 2,
"Dont Suspect dict wds longer than this");
BOOL_VAR_H(suspect_constrain_1Il, false, "UNLV keep 1Il chars rejected");
double_VAR_H(suspect_rating_per_ch, 999.9, "Dont touch bad rating limit");
double_VAR_H(suspect_accept_rating, -999.9, "Accept good rating limit");
BOOL_VAR_H(tessedit_minimal_rejection, false, "Only reject tess failures");
BOOL_VAR_H(tessedit_zero_rejection, false, "Dont reject ANYTHING");
BOOL_VAR_H(tessedit_word_for_word, false,
"Make output have exactly one word per WERD");
BOOL_VAR_H(tessedit_zero_kelvin_rejection, false,
"Dont reject ANYTHING AT ALL");
BOOL_VAR_H(tessedit_consistent_reps, true, "Force all rep chars the same");
INT_VAR_H(tessedit_reject_mode, 0, "Rejection algorithm");
BOOL_VAR_H(tessedit_rejection_debug, false, "Adaption debug");
BOOL_VAR_H(tessedit_flip_0O, true, "Contextual 0O O0 flips");
double_VAR_H(tessedit_lower_flip_hyphen, 1.5,
"Aspect ratio dot/hyphen test");
double_VAR_H(tessedit_upper_flip_hyphen, 1.8,
"Aspect ratio dot/hyphen test");
BOOL_VAR_H(rej_trust_doc_dawg, false, "Use DOC dawg in 11l conf. detector");
BOOL_VAR_H(rej_1Il_use_dict_word, false, "Use dictword test");
BOOL_VAR_H(rej_1Il_trust_permuter_type, true, "Dont double check");
BOOL_VAR_H(rej_use_tess_accepted, true, "Individual rejection control");
BOOL_VAR_H(rej_use_tess_blanks, true, "Individual rejection control");
BOOL_VAR_H(rej_use_good_perm, true, "Individual rejection control");
BOOL_VAR_H(rej_use_sensible_wd, false, "Extend permuter check");
BOOL_VAR_H(rej_alphas_in_number_perm, false, "Extend permuter check");
double_VAR_H(rej_whole_of_mostly_reject_word_fract, 0.85, "if >this fract");
INT_VAR_H(tessedit_image_border, 2, "Rej blbs near image edge limit");
STRING_VAR_H(ok_repeated_ch_non_alphanum_wds, "-?*\075",
"Allow NN to unrej");
STRING_VAR_H(conflict_set_I_l_1, "Il1[]", "Il1 conflict set");
INT_VAR_H(min_sane_x_ht_pixels, 8, "Reject any x-ht lt or eq than this");
BOOL_VAR_H(tessedit_create_boxfile, false, "Output text with boxes");
INT_VAR_H(tessedit_page_number, -1,
"-1 -> All pages, else specifc page to process");
BOOL_VAR_H(tessedit_write_images, false, "Capture the image from the IPE");
BOOL_VAR_H(interactive_display_mode, false, "Run interactively?");
STRING_VAR_H(file_type, ".tif", "Filename extension");
BOOL_VAR_H(tessedit_override_permuter, true, "According to dict_word");
INT_VAR_H(tessdata_manager_debug_level, 0,
"Debug level for TessdataManager functions.");
STRING_VAR_H(tessedit_load_sublangs, "",
"List of languages to load with this one");
BOOL_VAR_H(tessedit_use_primary_params_model, false,
"In multilingual mode use params model of the primary language");
// Min acceptable orientation margin (difference in scores between top and 2nd
// choice in OSResults::orientations) to believe the page orientation.
double_VAR_H(min_orientation_margin, 7.0,
"Min acceptable orientation margin");
BOOL_VAR_H(textord_tabfind_show_vlines, false, "Debug line finding");
BOOL_VAR_H(textord_use_cjk_fp_model, FALSE, "Use CJK fixed pitch model");
BOOL_VAR_H(poly_allow_detailed_fx, false,
"Allow feature extractors to see the original outline");
BOOL_VAR_H(tessedit_init_config_only, false,
"Only initialize with the config file. Useful if the instance is "
"not going to be used for OCR but say only for layout analysis.");
BOOL_VAR_H(textord_equation_detect, false, "Turn on equation detector");
BOOL_VAR_H(textord_tabfind_vertical_text, true, "Enable vertical detection");
BOOL_VAR_H(textord_tabfind_force_vertical_text, false,
"Force using vertical text page mode");
double_VAR_H(textord_tabfind_vertical_text_ratio, 0.5,
"Fraction of textlines deemed vertical to use vertical page "
"mode");
double_VAR_H(textord_tabfind_aligned_gap_fraction, 0.75,
"Fraction of height used as a minimum gap for aligned blobs.");
INT_VAR_H(tessedit_parallelize, 0, "Run in parallel where possible");
// The following parameters were deprecated and removed from their original
// locations. The parameters are temporarily kept here to give Tesseract
// users a chance to updated their [lang].traineddata and config files
// without introducing failures during Tesseract initialization.
// TODO(ocr-team): remove these parameters from the code once we are
// reasonably sure that Tesseract users have updated their data files.
//
// BEGIN DEPRECATED PARAMETERS
BOOL_VAR_H(textord_tabfind_vertical_horizontal_mix, true,
"find horizontal lines such as headers in vertical page mode");
INT_VAR_H(tessedit_ok_mode, 5, "Acceptance decision algorithm");
BOOL_VAR_H(load_fixed_length_dawgs, true, "Load fixed length"
" dawgs (e.g. for non-space delimited languages)");
INT_VAR_H(segment_debug, 0, "Debug the whole segmentation process");
BOOL_VAR_H(permute_debug, 0, "char permutation debug");
double_VAR_H(bestrate_pruning_factor, 2.0, "Multiplying factor of"
" current best rate to prune other hypotheses");
BOOL_VAR_H(permute_script_word, 0,
"Turn on word script consistency permuter");
BOOL_VAR_H(segment_segcost_rating, 0,
"incorporate segmentation cost in word rating?");
double_VAR_H(segment_reward_script, 0.95,
"Score multipler for script consistency within a word. "
"Being a 'reward' factor, it should be <= 1. "
"Smaller value implies bigger reward.");
BOOL_VAR_H(permute_fixed_length_dawg, 0,
"Turn on fixed-length phrasebook search permuter");
BOOL_VAR_H(permute_chartype_word, 0,
"Turn on character type (property) consistency permuter");
double_VAR_H(segment_reward_chartype, 0.97,
"Score multipler for char type consistency within a word. ");
double_VAR_H(segment_reward_ngram_best_choice, 0.99,
"Score multipler for ngram permuter's best choice"
" (only used in the Han script path).");
BOOL_VAR_H(ngram_permuter_activated, false,
"Activate character-level n-gram-based permuter");
BOOL_VAR_H(permute_only_top, false, "Run only the top choice permuter");
INT_VAR_H(language_model_fixed_length_choices_depth, 3,
"Depth of blob choice lists to explore"
" when fixed length dawgs are on");
BOOL_VAR_H(use_new_state_cost, FALSE,
"use new state cost heuristics for segmentation state evaluation");
double_VAR_H(heuristic_segcost_rating_base, 1.25,
"base factor for adding segmentation cost into word rating."
"It's a multiplying factor, the larger the value above 1, "
"the bigger the effect of segmentation cost.");
double_VAR_H(heuristic_weight_rating, 1,
"weight associated with char rating in combined cost of state");
double_VAR_H(heuristic_weight_width, 1000.0,
"weight associated with width evidence in combined cost of"
" state");
double_VAR_H(heuristic_weight_seamcut, 0,
"weight associated with seam cut in combined cost of state");
double_VAR_H(heuristic_max_char_wh_ratio, 2.0,
"max char width-to-height ratio allowed in segmentation");
BOOL_VAR_H(enable_new_segsearch, false,
"Enable new segmentation search path.");
double_VAR_H(segsearch_max_fixed_pitch_char_wh_ratio, 2.0,
"Maximum character width-to-height ratio for"
"fixed pitch fonts");
// END DEPRECATED PARAMETERS
//// ambigsrecog.cpp /////////////////////////////////////////////////////////
FILE *init_recog_training(const STRING &fname);
void recog_training_segmented(const STRING &fname,
PAGE_RES *page_res,
volatile ETEXT_DESC *monitor,
FILE *output_file);
void ambigs_classify_and_output(const char *label,
PAGE_RES_IT* pr_it,
FILE *output_file);
inline CubeRecoContext *GetCubeRecoContext() { return cube_cntxt_; }
private:
// The filename of a backup config file. If not null, then we currently
// have a temporary debug config file loaded, and backup_config_file_
// will be loaded, and set to null when debug is complete.
const char* backup_config_file_;
// The filename of a config file to read when processing a debug word.
STRING word_config_;
// Image used for input to layout analysis and tesseract recognition.
// May be modified by the ShiroRekhaSplitter to eliminate the top-line.
Pix* pix_binary_;
// Unmodified image used for input to cube. Always valid.
Pix* cube_binary_;
// Grey-level input image if the input was not binary, otherwise NULL.
Pix* pix_grey_;
// Thresholds that were used to generate the thresholded image from grey.
Pix* pix_thresholds_;
// Input image resolution after any scaling. The resolution is not well
// transmitted by operations on Pix, so we keep an independent record here.
int source_resolution_;
// The shiro-rekha splitter object which is used to split top-lines in
// Devanagari words to provide a better word and grapheme segmentation.
ShiroRekhaSplitter splitter_;
// Page segmentation/layout
Textord textord_;
// True if the primary language uses right_to_left reading order.
bool right_to_left_;
Pix* scaled_color_;
int scaled_factor_;
FCOORD deskew_;
FCOORD reskew_;
TesseractStats stats_;
// Sub-languages to be tried in addition to this.
GenericVector<Tesseract*> sub_langs_;
// Most recently used Tesseract out of this and sub_langs_. The default
// language for the next word.
Tesseract* most_recently_used_;
// The size of the font table, ie max possible font id + 1.
int font_table_size_;
// Cube objects.
CubeRecoContext* cube_cntxt_;
TesseractCubeCombiner *tess_cube_combiner_;
// Equation detector. Note: this pointer is NOT owned by the class.
EquationDetect* equ_detect_;
};
} // namespace tesseract
#endif // TESSERACT_CCMAIN_TESSERACTCLASS_H__
| 1080228-arabicocr11 | ccmain/tesseractclass.h | C++ | asf20 | 57,360 |
/**********************************************************************
* File: control.h (Formerly control.h)
* Description: Module-independent matcher controller.
* Author: Ray Smith
* Created: Thu Apr 23 11:09:58 BST 1992
*
* (C) Copyright 1992, Hewlett-Packard Ltd.
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
** http://www.apache.org/licenses/LICENSE-2.0
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*
**********************************************************************/
/**
* @file control.h
* Module-independent matcher controller.
*/
#ifndef CONTROL_H
#define CONTROL_H
#include "params.h"
#include "ocrblock.h"
#include "ratngs.h"
#include "statistc.h"
#include "pageres.h"
enum ACCEPTABLE_WERD_TYPE
{
AC_UNACCEPTABLE, ///< Unacceptable word
AC_LOWER_CASE, ///< ALL lower case
AC_UPPER_CASE, ///< ALL upper case
AC_INITIAL_CAP, ///< ALL but initial lc
AC_LC_ABBREV, ///< a.b.c.
AC_UC_ABBREV ///< A.B.C.
};
#endif
| 1080228-arabicocr11 | ccmain/control.h | C | asf20 | 1,543 |
///////////////////////////////////////////////////////////////////////
// File: thresholder.cpp
// Description: Base API for thresolding images in tesseract.
// Author: Ray Smith
// Created: Mon May 12 11:28:15 PDT 2008
//
// (C) Copyright 2008, Google Inc.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
///////////////////////////////////////////////////////////////////////
#include "allheaders.h"
#include "thresholder.h"
#include <string.h>
#include "otsuthr.h"
#include "openclwrapper.h"
namespace tesseract {
ImageThresholder::ImageThresholder()
: pix_(NULL),
image_width_(0), image_height_(0),
pix_channels_(0), pix_wpl_(0),
scale_(1), yres_(300), estimated_res_(300) {
SetRectangle(0, 0, 0, 0);
}
ImageThresholder::~ImageThresholder() {
Clear();
}
// Destroy the Pix if there is one, freeing memory.
void ImageThresholder::Clear() {
pixDestroy(&pix_);
}
// Return true if no image has been set.
bool ImageThresholder::IsEmpty() const {
return pix_ == NULL;
}
// SetImage makes a copy of all the image data, so it may be deleted
// immediately after this call.
// Greyscale of 8 and color of 24 or 32 bits per pixel may be given.
// Palette color images will not work properly and must be converted to
// 24 bit.
// Binary images of 1 bit per pixel may also be given but they must be
// byte packed with the MSB of the first byte being the first pixel, and a
// one pixel is WHITE. For binary images set bytes_per_pixel=0.
void ImageThresholder::SetImage(const unsigned char* imagedata,
int width, int height,
int bytes_per_pixel, int bytes_per_line) {
int bpp = bytes_per_pixel * 8;
if (bpp == 0) bpp = 1;
Pix* pix = pixCreate(width, height, bpp == 24 ? 32 : bpp);
l_uint32* data = pixGetData(pix);
int wpl = pixGetWpl(pix);
switch (bpp) {
case 1:
for (int y = 0; y < height; ++y, data += wpl, imagedata += bytes_per_line) {
for (int x = 0; x < width; ++x) {
if (imagedata[x / 8] & (0x80 >> (x % 8)))
CLEAR_DATA_BIT(data, x);
else
SET_DATA_BIT(data, x);
}
}
break;
case 8:
// Greyscale just copies the bytes in the right order.
for (int y = 0; y < height; ++y, data += wpl, imagedata += bytes_per_line) {
for (int x = 0; x < width; ++x)
SET_DATA_BYTE(data, x, imagedata[x]);
}
break;
case 24:
// Put the colors in the correct places in the line buffer.
for (int y = 0; y < height; ++y, imagedata += bytes_per_line) {
for (int x = 0; x < width; ++x, ++data) {
SET_DATA_BYTE(data, COLOR_RED, imagedata[3 * x]);
SET_DATA_BYTE(data, COLOR_GREEN, imagedata[3 * x + 1]);
SET_DATA_BYTE(data, COLOR_BLUE, imagedata[3 * x + 2]);
}
}
break;
case 32:
// Maintain byte order consistency across different endianness.
for (int y = 0; y < height; ++y, imagedata += bytes_per_line, data += wpl) {
for (int x = 0; x < width; ++x) {
data[x] = (imagedata[x * 4] << 24) | (imagedata[x * 4 + 1] << 16) |
(imagedata[x * 4 + 2] << 8) | imagedata[x * 4 + 3];
}
}
break;
default:
tprintf("Cannot convert RAW image to Pix with bpp = %d\n", bpp);
}
pixSetYRes(pix, 300);
SetImage(pix);
pixDestroy(&pix);
}
// Store the coordinates of the rectangle to process for later use.
// Doesn't actually do any thresholding.
void ImageThresholder::SetRectangle(int left, int top, int width, int height) {
rect_left_ = left;
rect_top_ = top;
rect_width_ = width;
rect_height_ = height;
}
// Get enough parameters to be able to rebuild bounding boxes in the
// original image (not just within the rectangle).
// Left and top are enough with top-down coordinates, but
// the height of the rectangle and the image are needed for bottom-up.
void ImageThresholder::GetImageSizes(int* left, int* top,
int* width, int* height,
int* imagewidth, int* imageheight) {
*left = rect_left_;
*top = rect_top_;
*width = rect_width_;
*height = rect_height_;
*imagewidth = image_width_;
*imageheight = image_height_;
}
// Pix vs raw, which to use? Pix is the preferred input for efficiency,
// since raw buffers are copied.
// SetImage for Pix clones its input, so the source pix may be pixDestroyed
// immediately after, but may not go away until after the Thresholder has
// finished with it.
void ImageThresholder::SetImage(const Pix* pix) {
if (pix_ != NULL)
pixDestroy(&pix_);
Pix* src = const_cast<Pix*>(pix);
int depth;
pixGetDimensions(src, &image_width_, &image_height_, &depth);
// Convert the image as necessary so it is one of binary, plain RGB, or
// 8 bit with no colormap.
if (depth > 1 && depth < 8) {
pix_ = pixConvertTo8(src, false);
} else if (pixGetColormap(src)) {
pix_ = pixRemoveColormap(src, REMOVE_CMAP_BASED_ON_SRC);
} else {
pix_ = pixClone(src);
}
depth = pixGetDepth(pix_);
pix_channels_ = depth / 8;
pix_wpl_ = pixGetWpl(pix_);
scale_ = 1;
estimated_res_ = yres_ = pixGetYRes(src);
Init();
}
// Threshold the source image as efficiently as possible to the output Pix.
// Creates a Pix and sets pix to point to the resulting pointer.
// Caller must use pixDestroy to free the created Pix.
void ImageThresholder::ThresholdToPix(PageSegMode pageseg_mode, Pix** pix) {
if (pix_channels_ == 0) {
// We have a binary image, so it just has to be cloned.
*pix = GetPixRect();
} else {
OtsuThresholdRectToPix(pix_, pix);
}
}
// Gets a pix that contains an 8 bit threshold value at each pixel. The
// returned pix may be an integer reduction of the binary image such that
// the scale factor may be inferred from the ratio of the sizes, even down
// to the extreme of a 1x1 pixel thresholds image.
// Ideally the 8 bit threshold should be the exact threshold used to generate
// the binary image in ThresholdToPix, but this is not a hard constraint.
// Returns NULL if the input is binary. PixDestroy after use.
Pix* ImageThresholder::GetPixRectThresholds() {
if (IsBinary()) return NULL;
Pix* pix_grey = GetPixRectGrey();
int width = pixGetWidth(pix_grey);
int height = pixGetHeight(pix_grey);
int* thresholds;
int* hi_values;
OtsuThreshold(pix_grey, 0, 0, width, height, &thresholds, &hi_values);
pixDestroy(&pix_grey);
Pix* pix_thresholds = pixCreate(width, height, 8);
int threshold = thresholds[0] > 0 ? thresholds[0] : 128;
pixSetAllArbitrary(pix_thresholds, threshold);
delete [] thresholds;
delete [] hi_values;
return pix_thresholds;
}
// Common initialization shared between SetImage methods.
void ImageThresholder::Init() {
SetRectangle(0, 0, image_width_, image_height_);
}
// Get a clone/copy of the source image rectangle.
// The returned Pix must be pixDestroyed.
// This function will be used in the future by the page layout analysis, and
// the layout analysis that uses it will only be available with Leptonica,
// so there is no raw equivalent.
Pix* ImageThresholder::GetPixRect() {
if (IsFullImage()) {
// Just clone the whole thing.
return pixClone(pix_);
} else {
// Crop to the given rectangle.
Box* box = boxCreate(rect_left_, rect_top_, rect_width_, rect_height_);
Pix* cropped = pixClipRectangle(pix_, box, NULL);
boxDestroy(&box);
return cropped;
}
}
// Get a clone/copy of the source image rectangle, reduced to greyscale,
// and at the same resolution as the output binary.
// The returned Pix must be pixDestroyed.
// Provided to the classifier to extract features from the greyscale image.
Pix* ImageThresholder::GetPixRectGrey() {
Pix* pix = GetPixRect(); // May have to be reduced to grey.
int depth = pixGetDepth(pix);
if (depth != 8) {
Pix* result = depth < 8 ? pixConvertTo8(pix, false)
: pixConvertRGBToLuminance(pix);
pixDestroy(&pix);
return result;
}
return pix;
}
// Otsu thresholds the rectangle, taking the rectangle from *this.
void ImageThresholder::OtsuThresholdRectToPix(Pix* src_pix,
Pix** out_pix) const {
PERF_COUNT_START("OtsuThresholdRectToPix")
int* thresholds;
int* hi_values;
int num_channels = OtsuThreshold(src_pix, rect_left_, rect_top_, rect_width_,
rect_height_, &thresholds, &hi_values);
// only use opencl if compiled w/ OpenCL and selected device is opencl
#ifdef USE_OPENCL
OpenclDevice od;
if ((num_channels == 4 || num_channels == 1) &&
od.selectedDeviceIsOpenCL() && rect_top_ == 0 && rect_left_ == 0 ) {
od.ThresholdRectToPixOCL((const unsigned char*)pixGetData(src_pix),
num_channels, pixGetWpl(src_pix) * 4,
thresholds, hi_values, out_pix /*pix_OCL*/,
rect_height_, rect_width_, rect_top_, rect_left_);
} else {
#endif
ThresholdRectToPix(src_pix, num_channels, thresholds, hi_values, out_pix);
#ifdef USE_OPENCL
}
#endif
delete [] thresholds;
delete [] hi_values;
PERF_COUNT_END
}
/// Threshold the rectangle, taking everything except the src_pix
/// from the class, using thresholds/hi_values to the output pix.
/// NOTE that num_channels is the size of the thresholds and hi_values
// arrays and also the bytes per pixel in src_pix.
void ImageThresholder::ThresholdRectToPix(Pix* src_pix,
int num_channels,
const int* thresholds,
const int* hi_values,
Pix** pix) const {
PERF_COUNT_START("ThresholdRectToPix")
*pix = pixCreate(rect_width_, rect_height_, 1);
uinT32* pixdata = pixGetData(*pix);
int wpl = pixGetWpl(*pix);
int src_wpl = pixGetWpl(src_pix);
uinT32* srcdata = pixGetData(src_pix);
for (int y = 0; y < rect_height_; ++y) {
const uinT32* linedata = srcdata + (y + rect_top_) * src_wpl;
uinT32* pixline = pixdata + y * wpl;
for (int x = 0; x < rect_width_; ++x) {
bool white_result = true;
for (int ch = 0; ch < num_channels; ++ch) {
int pixel = GET_DATA_BYTE(const_cast<void*>(
reinterpret_cast<const void *>(linedata)),
(x + rect_left_) * num_channels + ch);
if (hi_values[ch] >= 0 &&
(pixel > thresholds[ch]) == (hi_values[ch] == 0)) {
white_result = false;
break;
}
}
if (white_result)
CLEAR_DATA_BIT(pixline, x);
else
SET_DATA_BIT(pixline, x);
}
}
PERF_COUNT_END
}
} // namespace tesseract.
| 1080228-arabicocr11 | ccmain/thresholder.cpp | C++ | asf20 | 11,270 |
/**********************************************************************
* File: paragraphs.cpp
* Description: Paragraph detection for tesseract.
* Author: David Eger
* Created: 25 February 2011
*
* (C) Copyright 2011, Google Inc.
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
** http://www.apache.org/licenses/LICENSE-2.0
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*
**********************************************************************/
#ifdef _MSC_VER
#define __func__ __FUNCTION__
#endif
#include <ctype.h>
#include "genericvector.h"
#include "helpers.h"
#include "mutableiterator.h"
#include "ocrpara.h"
#include "pageres.h"
#include "paragraphs.h"
#include "paragraphs_internal.h"
#include "publictypes.h"
#include "ratngs.h"
#include "rect.h"
#include "statistc.h"
#include "strngs.h"
#include "tprintf.h"
#include "unicharset.h"
#include "unicodes.h"
namespace tesseract {
// Special "weak" ParagraphModels.
const ParagraphModel *kCrownLeft
= reinterpret_cast<ParagraphModel *>(0xDEAD111F);
const ParagraphModel *kCrownRight
= reinterpret_cast<ParagraphModel *>(0xDEAD888F);
// Given the width of a typical space between words, what is the threshold
// by which by which we think left and right alignments for paragraphs
// can vary and still be aligned.
static int Epsilon(int space_pix) {
return space_pix * 4 / 5;
}
static bool AcceptableRowArgs(
int debug_level, int min_num_rows, const char *function_name,
const GenericVector<RowScratchRegisters> *rows,
int row_start, int row_end) {
if (row_start < 0 || row_end > rows->size() || row_start > row_end) {
tprintf("Invalid arguments rows[%d, %d) while rows is of size %d.\n",
row_start, row_end, rows->size());
return false;
}
if (row_end - row_start < min_num_rows) {
if (debug_level > 1) {
tprintf("# Too few rows[%d, %d) for %s.\n",
row_start, row_end, function_name);
}
return false;
}
return true;
}
// =============================== Debug Code ================================
// Convert an integer to a decimal string.
static STRING StrOf(int num) {
char buffer[30];
snprintf(buffer, sizeof(buffer), "%d", num);
return STRING(buffer);
}
// Given a row-major matrix of unicode text and a column separator, print
// a formatted table. For ASCII, we get good column alignment.
static void PrintTable(const GenericVector<GenericVector<STRING> > &rows,
const STRING &colsep) {
GenericVector<int> max_col_widths;
for (int r = 0; r < rows.size(); r++) {
int num_columns = rows[r].size();
for (int c = 0; c < num_columns; c++) {
int num_unicodes = 0;
for (int i = 0; i < rows[r][c].size(); i++) {
if ((rows[r][c][i] & 0xC0) != 0x80) num_unicodes++;
}
if (c >= max_col_widths.size()) {
max_col_widths.push_back(num_unicodes);
} else {
if (num_unicodes > max_col_widths[c])
max_col_widths[c] = num_unicodes;
}
}
}
GenericVector<STRING> col_width_patterns;
for (int c = 0; c < max_col_widths.size(); c++) {
col_width_patterns.push_back(
STRING("%-") + StrOf(max_col_widths[c]) + "s");
}
for (int r = 0; r < rows.size(); r++) {
for (int c = 0; c < rows[r].size(); c++) {
if (c > 0)
tprintf("%s", colsep.string());
tprintf(col_width_patterns[c].string(), rows[r][c].string());
}
tprintf("\n");
}
}
STRING RtlEmbed(const STRING &word, bool rtlify) {
if (rtlify)
return STRING(kRLE) + word + STRING(kPDF);
return word;
}
// Print the current thoughts of the paragraph detector.
static void PrintDetectorState(const ParagraphTheory &theory,
const GenericVector<RowScratchRegisters> &rows) {
GenericVector<GenericVector<STRING> > output;
output.push_back(GenericVector<STRING>());
output.back().push_back("#row");
output.back().push_back("space");
output.back().push_back("..");
output.back().push_back("lword[widthSEL]");
output.back().push_back("rword[widthSEL]");
RowScratchRegisters::AppendDebugHeaderFields(&output.back());
output.back().push_back("text");
for (int i = 0; i < rows.size(); i++) {
output.push_back(GenericVector<STRING>());
GenericVector<STRING> &row = output.back();
const RowInfo& ri = *rows[i].ri_;
row.push_back(StrOf(i));
row.push_back(StrOf(ri.average_interword_space));
row.push_back(ri.has_leaders ? ".." : " ");
row.push_back(RtlEmbed(ri.lword_text, !ri.ltr) +
"[" + StrOf(ri.lword_box.width()) +
(ri.lword_likely_starts_idea ? "S" : "s") +
(ri.lword_likely_ends_idea ? "E" : "e") +
(ri.lword_indicates_list_item ? "L" : "l") +
"]");
row.push_back(RtlEmbed(ri.rword_text, !ri.ltr) +
"[" + StrOf(ri.rword_box.width()) +
(ri.rword_likely_starts_idea ? "S" : "s") +
(ri.rword_likely_ends_idea ? "E" : "e") +
(ri.rword_indicates_list_item ? "L" : "l") +
"]");
rows[i].AppendDebugInfo(theory, &row);
row.push_back(RtlEmbed(ri.text, !ri.ltr));
}
PrintTable(output, " ");
tprintf("Active Paragraph Models:\n");
for (int m = 0; m < theory.models().size(); m++) {
tprintf(" %d: %s\n", m + 1, theory.models()[m]->ToString().string());
}
}
static void DebugDump(
bool should_print,
const STRING &phase,
const ParagraphTheory &theory,
const GenericVector<RowScratchRegisters> &rows) {
if (!should_print)
return;
tprintf("# %s\n", phase.string());
PrintDetectorState(theory, rows);
}
// Print out the text for rows[row_start, row_end)
static void PrintRowRange(const GenericVector<RowScratchRegisters> &rows,
int row_start, int row_end) {
tprintf("======================================\n");
for (int row = row_start; row < row_end; row++) {
tprintf("%s\n", rows[row].ri_->text.string());
}
tprintf("======================================\n");
}
// ============= Brain Dead Language Model (ASCII Version) ===================
bool IsLatinLetter(int ch) {
return (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z');
}
bool IsDigitLike(int ch) {
return ch == 'o' || ch == 'O' || ch == 'l' || ch == 'I';
}
bool IsOpeningPunct(int ch) {
return strchr("'\"({[", ch) != NULL;
}
bool IsTerminalPunct(int ch) {
return strchr(":'\".?!]})", ch) != NULL;
}
// Return a pointer after consuming as much text as qualifies as roman numeral.
const char *SkipChars(const char *str, const char *toskip) {
while (*str != '\0' && strchr(toskip, *str)) { str++; }
return str;
}
const char *SkipChars(const char *str, bool (*skip)(int)) {
while (*str != '\0' && skip(*str)) { str++; }
return str;
}
const char *SkipOne(const char *str, const char *toskip) {
if (*str != '\0' && strchr(toskip, *str)) return str + 1;
return str;
}
// Return whether it is very likely that this is a numeral marker that could
// start a list item. Some examples include:
// A I iii. VI (2) 3.5. [C-4]
bool LikelyListNumeral(const STRING &word) {
const char *kRomans = "ivxlmdIVXLMD";
const char *kDigits = "012345789";
const char *kOpen = "[{(";
const char *kSep = ":;-.,";
const char *kClose = "]})";
int num_segments = 0;
const char *pos = word.string();
while (*pos != '\0' && num_segments < 3) {
// skip up to two open parens.
const char *numeral_start = SkipOne(SkipOne(pos, kOpen), kOpen);
const char *numeral_end = SkipChars(numeral_start, kRomans);
if (numeral_end != numeral_start) {
// Got Roman Numeral. Great.
} else {
numeral_end = SkipChars(numeral_start, kDigits);
if (numeral_end == numeral_start) {
// If there's a single latin letter, we can use that.
numeral_end = SkipChars(numeral_start, IsLatinLetter);
if (numeral_end - numeral_start != 1)
break;
}
}
// We got some sort of numeral.
num_segments++;
// Skip any trailing parens or punctuation.
pos = SkipChars(SkipChars(numeral_end, kClose), kSep);
if (pos == numeral_end)
break;
}
return *pos == '\0';
}
bool LikelyListMark(const STRING &word) {
const char *kListMarks = "0Oo*.,+.";
return word.size() == 1 && strchr(kListMarks, word[0]) != NULL;
}
bool AsciiLikelyListItem(const STRING &word) {
return LikelyListMark(word) || LikelyListNumeral(word);
}
// ========== Brain Dead Language Model (Tesseract Version) ================
// Return the first Unicode Codepoint from werd[pos].
int UnicodeFor(const UNICHARSET *u, const WERD_CHOICE *werd, int pos) {
if (!u || !werd || pos > werd->length())
return 0;
return UNICHAR(u->id_to_unichar(werd->unichar_id(pos)), -1).first_uni();
}
// A useful helper class for finding the first j >= i so that word[j]
// does not have given character type.
class UnicodeSpanSkipper {
public:
UnicodeSpanSkipper(const UNICHARSET *unicharset, const WERD_CHOICE *word)
: u_(unicharset), word_(word) { wordlen_ = word->length(); }
// Given an input position, return the first position >= pos not punc.
int SkipPunc(int pos);
// Given an input position, return the first position >= pos not digit.
int SkipDigits(int pos);
// Given an input position, return the first position >= pos not roman.
int SkipRomans(int pos);
// Given an input position, return the first position >= pos not alpha.
int SkipAlpha(int pos);
private:
const UNICHARSET *u_;
const WERD_CHOICE *word_;
int wordlen_;
};
int UnicodeSpanSkipper::SkipPunc(int pos) {
while (pos < wordlen_ && u_->get_ispunctuation(word_->unichar_id(pos))) pos++;
return pos;
}
int UnicodeSpanSkipper::SkipDigits(int pos) {
while (pos < wordlen_ && (u_->get_isdigit(word_->unichar_id(pos)) ||
IsDigitLike(UnicodeFor(u_, word_, pos)))) pos++;
return pos;
}
int UnicodeSpanSkipper::SkipRomans(int pos) {
const char *kRomans = "ivxlmdIVXLMD";
while (pos < wordlen_) {
int ch = UnicodeFor(u_, word_, pos);
if (ch >= 0xF0 || strchr(kRomans, ch) == 0) break;
pos++;
}
return pos;
}
int UnicodeSpanSkipper::SkipAlpha(int pos) {
while (pos < wordlen_ && u_->get_isalpha(word_->unichar_id(pos))) pos++;
return pos;
}
bool LikelyListMarkUnicode(int ch) {
if (ch < 0x80) {
STRING single_ch;
single_ch += ch;
return LikelyListMark(single_ch);
}
switch (ch) {
// TODO(eger) expand this list of unicodes as needed.
case 0x00B0: // degree sign
case 0x2022: // bullet
case 0x25E6: // white bullet
case 0x00B7: // middle dot
case 0x25A1: // white square
case 0x25A0: // black square
case 0x25AA: // black small square
case 0x2B1D: // black very small square
case 0x25BA: // black right-pointing pointer
case 0x25CF: // black circle
case 0x25CB: // white circle
return true;
default:
break; // fall through
}
return false;
}
// Return whether it is very likely that this is a numeral marker that could
// start a list item. Some examples include:
// A I iii. VI (2) 3.5. [C-4]
bool UniLikelyListItem(const UNICHARSET *u, const WERD_CHOICE *werd) {
if (werd->length() == 1 && LikelyListMarkUnicode(UnicodeFor(u, werd, 0)))
return true;
UnicodeSpanSkipper m(u, werd);
int num_segments = 0;
int pos = 0;
while (pos < werd->length() && num_segments < 3) {
int numeral_start = m.SkipPunc(pos);
if (numeral_start > pos + 1) break;
int numeral_end = m.SkipRomans(numeral_start);
if (numeral_end == numeral_start) {
numeral_end = m.SkipDigits(numeral_start);
if (numeral_end == numeral_start) {
// If there's a single latin letter, we can use that.
numeral_end = m.SkipAlpha(numeral_start);
if (numeral_end - numeral_start != 1)
break;
}
}
// We got some sort of numeral.
num_segments++;
// Skip any trailing punctuation.
pos = m.SkipPunc(numeral_end);
if (pos == numeral_end)
break;
}
return pos == werd->length();
}
// ========= Brain Dead Language Model (combined entry points) ================
// Given the leftmost word of a line either as a Tesseract unicharset + werd
// or a utf8 string, set the following attributes for it:
// is_list - this word might be a list number or bullet.
// starts_idea - this word is likely to start a sentence.
// ends_idea - this word is likely to end a sentence.
void LeftWordAttributes(const UNICHARSET *unicharset, const WERD_CHOICE *werd,
const STRING &utf8,
bool *is_list, bool *starts_idea, bool *ends_idea) {
*is_list = false;
*starts_idea = false;
*ends_idea = false;
if (utf8.size() == 0 || (werd != NULL && werd->length() == 0)) { // Empty
*ends_idea = true;
return;
}
if (unicharset && werd) { // We have a proper werd and unicharset so use it.
if (UniLikelyListItem(unicharset, werd)) {
*is_list = true;
*starts_idea = true;
*ends_idea = true;
}
if (unicharset->get_isupper(werd->unichar_id(0))) {
*starts_idea = true;
}
if (unicharset->get_ispunctuation(werd->unichar_id(0))) {
*starts_idea = true;
*ends_idea = true;
}
} else { // Assume utf8 is mostly ASCII
if (AsciiLikelyListItem(utf8)) {
*is_list = true;
*starts_idea = true;
}
int start_letter = utf8[0];
if (IsOpeningPunct(start_letter)) {
*starts_idea = true;
}
if (IsTerminalPunct(start_letter)) {
*ends_idea = true;
}
if (start_letter >= 'A' && start_letter <= 'Z') {
*starts_idea = true;
}
}
}
// Given the rightmost word of a line either as a Tesseract unicharset + werd
// or a utf8 string, set the following attributes for it:
// is_list - this word might be a list number or bullet.
// starts_idea - this word is likely to start a sentence.
// ends_idea - this word is likely to end a sentence.
void RightWordAttributes(const UNICHARSET *unicharset, const WERD_CHOICE *werd,
const STRING &utf8,
bool *is_list, bool *starts_idea, bool *ends_idea) {
*is_list = false;
*starts_idea = false;
*ends_idea = false;
if (utf8.size() == 0 || (werd != NULL && werd->length() == 0)) { // Empty
*ends_idea = true;
return;
}
if (unicharset && werd) { // We have a proper werd and unicharset so use it.
if (UniLikelyListItem(unicharset, werd)) {
*is_list = true;
*starts_idea = true;
}
UNICHAR_ID last_letter = werd->unichar_id(werd->length() - 1);
if (unicharset->get_ispunctuation(last_letter)) {
*ends_idea = true;
}
} else { // Assume utf8 is mostly ASCII
if (AsciiLikelyListItem(utf8)) {
*is_list = true;
*starts_idea = true;
}
int last_letter = utf8[utf8.size() - 1];
if (IsOpeningPunct(last_letter) || IsTerminalPunct(last_letter)) {
*ends_idea = true;
}
}
}
// =============== Implementation of RowScratchRegisters =====================
/* static */
void RowScratchRegisters::AppendDebugHeaderFields(
GenericVector<STRING> *header) {
header->push_back("[lmarg,lind;rind,rmarg]");
header->push_back("model");
}
void RowScratchRegisters::AppendDebugInfo(const ParagraphTheory &theory,
GenericVector<STRING> *dbg) const {
char s[30];
snprintf(s, sizeof(s), "[%3d,%3d;%3d,%3d]",
lmargin_, lindent_, rindent_, rmargin_);
dbg->push_back(s);
STRING model_string;
model_string += static_cast<char>(GetLineType());
model_string += ":";
int model_numbers = 0;
for (int h = 0; h < hypotheses_.size(); h++) {
if (hypotheses_[h].model == NULL)
continue;
if (model_numbers > 0)
model_string += ",";
if (StrongModel(hypotheses_[h].model)) {
model_string += StrOf(1 + theory.IndexOf(hypotheses_[h].model));
} else if (hypotheses_[h].model == kCrownLeft) {
model_string += "CrL";
} else if (hypotheses_[h].model == kCrownRight) {
model_string += "CrR";
}
model_numbers++;
}
if (model_numbers == 0)
model_string += "0";
dbg->push_back(model_string);
}
void RowScratchRegisters::Init(const RowInfo &row) {
ri_ = &row;
lmargin_ = 0;
lindent_ = row.pix_ldistance;
rmargin_ = 0;
rindent_ = row.pix_rdistance;
}
LineType RowScratchRegisters::GetLineType() const {
if (hypotheses_.empty())
return LT_UNKNOWN;
bool has_start = false;
bool has_body = false;
for (int i = 0; i < hypotheses_.size(); i++) {
switch (hypotheses_[i].ty) {
case LT_START: has_start = true; break;
case LT_BODY: has_body = true; break;
default:
tprintf("Encountered bad value in hypothesis list: %c\n",
hypotheses_[i].ty);
break;
}
}
if (has_start && has_body)
return LT_MULTIPLE;
return has_start ? LT_START : LT_BODY;
}
LineType RowScratchRegisters::GetLineType(const ParagraphModel *model) const {
if (hypotheses_.empty())
return LT_UNKNOWN;
bool has_start = false;
bool has_body = false;
for (int i = 0; i < hypotheses_.size(); i++) {
if (hypotheses_[i].model != model)
continue;
switch (hypotheses_[i].ty) {
case LT_START: has_start = true; break;
case LT_BODY: has_body = true; break;
default:
tprintf("Encountered bad value in hypothesis list: %c\n",
hypotheses_[i].ty);
break;
}
}
if (has_start && has_body)
return LT_MULTIPLE;
return has_start ? LT_START : LT_BODY;
}
void RowScratchRegisters::SetStartLine() {
LineType current_lt = GetLineType();
if (current_lt != LT_UNKNOWN && current_lt != LT_START) {
tprintf("Trying to set a line to be START when it's already BODY.\n");
}
if (current_lt == LT_UNKNOWN || current_lt == LT_BODY) {
hypotheses_.push_back_new(LineHypothesis(LT_START, NULL));
}
}
void RowScratchRegisters::SetBodyLine() {
LineType current_lt = GetLineType();
if (current_lt != LT_UNKNOWN && current_lt != LT_BODY) {
tprintf("Trying to set a line to be BODY when it's already START.\n");
}
if (current_lt == LT_UNKNOWN || current_lt == LT_START) {
hypotheses_.push_back_new(LineHypothesis(LT_BODY, NULL));
}
}
void RowScratchRegisters::AddStartLine(const ParagraphModel *model) {
hypotheses_.push_back_new(LineHypothesis(LT_START, model));
int old_idx = hypotheses_.get_index(LineHypothesis(LT_START, NULL));
if (old_idx >= 0)
hypotheses_.remove(old_idx);
}
void RowScratchRegisters::AddBodyLine(const ParagraphModel *model) {
hypotheses_.push_back_new(LineHypothesis(LT_BODY, model));
int old_idx = hypotheses_.get_index(LineHypothesis(LT_BODY, NULL));
if (old_idx >= 0)
hypotheses_.remove(old_idx);
}
void RowScratchRegisters::StartHypotheses(SetOfModels *models) const {
for (int h = 0; h < hypotheses_.size(); h++) {
if (hypotheses_[h].ty == LT_START && StrongModel(hypotheses_[h].model))
models->push_back_new(hypotheses_[h].model);
}
}
void RowScratchRegisters::StrongHypotheses(SetOfModels *models) const {
for (int h = 0; h < hypotheses_.size(); h++) {
if (StrongModel(hypotheses_[h].model))
models->push_back_new(hypotheses_[h].model);
}
}
void RowScratchRegisters::NonNullHypotheses(SetOfModels *models) const {
for (int h = 0; h < hypotheses_.size(); h++) {
if (hypotheses_[h].model != NULL)
models->push_back_new(hypotheses_[h].model);
}
}
const ParagraphModel *RowScratchRegisters::UniqueStartHypothesis() const {
if (hypotheses_.size() != 1 || hypotheses_[0].ty != LT_START)
return NULL;
return hypotheses_[0].model;
}
const ParagraphModel *RowScratchRegisters::UniqueBodyHypothesis() const {
if (hypotheses_.size() != 1 || hypotheses_[0].ty != LT_BODY)
return NULL;
return hypotheses_[0].model;
}
// Discard any hypotheses whose model is not in the given list.
void RowScratchRegisters::DiscardNonMatchingHypotheses(
const SetOfModels &models) {
if (models.empty())
return;
for (int h = hypotheses_.size() - 1; h >= 0; h--) {
if (!models.contains(hypotheses_[h].model)) {
hypotheses_.remove(h);
}
}
}
// ============ Geometry based Paragraph Detection Algorithm =================
struct Cluster {
Cluster() : center(0), count(0) {}
Cluster(int cen, int num) : center(cen), count(num) {}
int center; // The center of the cluster.
int count; // The number of entries within the cluster.
};
class SimpleClusterer {
public:
explicit SimpleClusterer(int max_cluster_width)
: max_cluster_width_(max_cluster_width) {}
void Add(int value) { values_.push_back(value); }
int size() const { return values_.size(); }
void GetClusters(GenericVector<Cluster> *clusters);
private:
int max_cluster_width_;
GenericVectorEqEq<int> values_;
};
// Return the index of the cluster closest to value.
int ClosestCluster(const GenericVector<Cluster> &clusters, int value) {
int best_index = 0;
for (int i = 0; i < clusters.size(); i++) {
if (abs(value - clusters[i].center) <
abs(value - clusters[best_index].center))
best_index = i;
}
return best_index;
}
void SimpleClusterer::GetClusters(GenericVector<Cluster> *clusters) {
clusters->clear();
values_.sort();
for (int i = 0; i < values_.size();) {
int orig_i = i;
int lo = values_[i];
int hi = lo;
while (++i < values_.size() && values_[i] <= lo + max_cluster_width_) {
hi = values_[i];
}
clusters->push_back(Cluster((hi + lo) / 2, i - orig_i));
}
}
// Calculate left- and right-indent tab stop values seen in
// rows[row_start, row_end) given a tolerance of tolerance.
void CalculateTabStops(GenericVector<RowScratchRegisters> *rows,
int row_start, int row_end,
int tolerance,
GenericVector<Cluster> *left_tabs,
GenericVector<Cluster> *right_tabs) {
if (!AcceptableRowArgs(0, 1, __func__, rows, row_start, row_end))
return;
// First pass: toss all left and right indents into clusterers.
SimpleClusterer initial_lefts(tolerance);
SimpleClusterer initial_rights(tolerance);
GenericVector<Cluster> initial_left_tabs;
GenericVector<Cluster> initial_right_tabs;
for (int i = row_start; i < row_end; i++) {
initial_lefts.Add((*rows)[i].lindent_);
initial_rights.Add((*rows)[i].rindent_);
}
initial_lefts.GetClusters(&initial_left_tabs);
initial_rights.GetClusters(&initial_right_tabs);
// Second pass: cluster only lines that are not "stray"
// An example of a stray line is a page number -- a line whose start
// and end tab-stops are far outside the typical start and end tab-stops
// for the block.
// Put another way, we only cluster data from lines whose start or end
// tab stop is frequent.
SimpleClusterer lefts(tolerance);
SimpleClusterer rights(tolerance);
// Outlier elimination. We might want to switch this to test outlier-ness
// based on how strange a position an outlier is in instead of or in addition
// to how rare it is. These outliers get re-added if we end up having too
// few tab stops, to work with, however.
int infrequent_enough_to_ignore = 0;
if (row_end - row_start >= 8) infrequent_enough_to_ignore = 1;
if (row_end - row_start >= 20) infrequent_enough_to_ignore = 2;
for (int i = row_start; i < row_end; i++) {
int lidx = ClosestCluster(initial_left_tabs, (*rows)[i].lindent_);
int ridx = ClosestCluster(initial_right_tabs, (*rows)[i].rindent_);
if (initial_left_tabs[lidx].count > infrequent_enough_to_ignore ||
initial_right_tabs[ridx].count > infrequent_enough_to_ignore) {
lefts.Add((*rows)[i].lindent_);
rights.Add((*rows)[i].rindent_);
}
}
lefts.GetClusters(left_tabs);
rights.GetClusters(right_tabs);
if ((left_tabs->size() == 1 && right_tabs->size() >= 4) ||
(right_tabs->size() == 1 && left_tabs->size() >= 4)) {
// One side is really ragged, and the other only has one tab stop,
// so those "insignificant outliers" are probably important, actually.
// This often happens on a page of an index. Add back in the ones
// we omitted in the first pass.
for (int i = row_start; i < row_end; i++) {
int lidx = ClosestCluster(initial_left_tabs, (*rows)[i].lindent_);
int ridx = ClosestCluster(initial_right_tabs, (*rows)[i].rindent_);
if (!(initial_left_tabs[lidx].count > infrequent_enough_to_ignore ||
initial_right_tabs[ridx].count > infrequent_enough_to_ignore)) {
lefts.Add((*rows)[i].lindent_);
rights.Add((*rows)[i].rindent_);
}
}
}
lefts.GetClusters(left_tabs);
rights.GetClusters(right_tabs);
// If one side is almost a two-indent aligned side, and the other clearly
// isn't, try to prune out the least frequent tab stop from that side.
if (left_tabs->size() == 3 && right_tabs->size() >= 4) {
int to_prune = -1;
for (int i = left_tabs->size() - 1; i >= 0; i--) {
if (to_prune < 0 ||
(*left_tabs)[i].count < (*left_tabs)[to_prune].count) {
to_prune = i;
}
}
if (to_prune >= 0 &&
(*left_tabs)[to_prune].count <= infrequent_enough_to_ignore) {
left_tabs->remove(to_prune);
}
}
if (right_tabs->size() == 3 && left_tabs->size() >= 4) {
int to_prune = -1;
for (int i = right_tabs->size() - 1; i >= 0; i--) {
if (to_prune < 0 ||
(*right_tabs)[i].count < (*right_tabs)[to_prune].count) {
to_prune = i;
}
}
if (to_prune >= 0 &&
(*right_tabs)[to_prune].count <= infrequent_enough_to_ignore) {
right_tabs->remove(to_prune);
}
}
}
// Given a paragraph model mark rows[row_start, row_end) as said model
// start or body lines.
//
// Case 1: model->first_indent_ != model->body_indent_
// Differentiating the paragraph start lines from the paragraph body lines in
// this case is easy, we just see how far each line is indented.
//
// Case 2: model->first_indent_ == model->body_indent_
// Here, we find end-of-paragraph lines by looking for "short lines."
// What constitutes a "short line" changes depending on whether the text
// ragged-right[left] or fully justified (aligned left and right).
//
// Case 2a: Ragged Right (or Left) text. (eop_threshold == 0)
// We have a new paragraph it the first word would have at the end
// of the previous line.
//
// Case 2b: Fully Justified. (eop_threshold > 0)
// We mark a line as short (end of paragraph) if the offside indent
// is greater than eop_threshold.
void MarkRowsWithModel(GenericVector<RowScratchRegisters> *rows,
int row_start, int row_end,
const ParagraphModel *model,
bool ltr,
int eop_threshold) {
if (!AcceptableRowArgs(0, 0, __func__, rows, row_start, row_end))
return;
for (int row = row_start; row < row_end; row++) {
bool valid_first = ValidFirstLine(rows, row, model);
bool valid_body = ValidBodyLine(rows, row, model);
if (valid_first && !valid_body) {
(*rows)[row].AddStartLine(model);
} else if (valid_body && !valid_first) {
(*rows)[row].AddBodyLine(model);
} else if (valid_body && valid_first) {
bool after_eop = (row == row_start);
if (row > row_start) {
if (eop_threshold > 0) {
if (model->justification() == JUSTIFICATION_LEFT) {
after_eop = (*rows)[row - 1].rindent_ > eop_threshold;
} else {
after_eop = (*rows)[row - 1].lindent_ > eop_threshold;
}
} else {
after_eop = FirstWordWouldHaveFit((*rows)[row - 1], (*rows)[row],
model->justification());
}
}
if (after_eop) {
(*rows)[row].AddStartLine(model);
} else {
(*rows)[row].AddBodyLine(model);
}
} else {
// Do nothing. Stray row.
}
}
}
// GeometricClassifierState holds all of the information we'll use while
// trying to determine a paragraph model for the text lines in a block of
// text:
// + the rows under consideration [row_start, row_end)
// + the common left- and right-indent tab stops
// + does the block start out left-to-right or right-to-left
// Further, this struct holds the data we amass for the (single) ParagraphModel
// we'll assign to the text lines (assuming we get that far).
struct GeometricClassifierState {
GeometricClassifierState(int dbg_level,
GenericVector<RowScratchRegisters> *r,
int r_start, int r_end)
: debug_level(dbg_level), rows(r), row_start(r_start), row_end(r_end),
margin(0) {
tolerance = InterwordSpace(*r, r_start, r_end);
CalculateTabStops(r, r_start, r_end, tolerance,
&left_tabs, &right_tabs);
if (debug_level >= 3) {
tprintf("Geometry: TabStop cluster tolerance = %d; "
"%d left tabs; %d right tabs\n",
tolerance, left_tabs.size(), right_tabs.size());
}
ltr = (*r)[r_start].ri_->ltr;
}
void AssumeLeftJustification() {
just = tesseract::JUSTIFICATION_LEFT;
margin = (*rows)[row_start].lmargin_;
}
void AssumeRightJustification() {
just = tesseract::JUSTIFICATION_RIGHT;
margin = (*rows)[row_start].rmargin_;
}
// Align tabs are the tab stops the text is aligned to.
const GenericVector<Cluster> &AlignTabs() const {
if (just == tesseract::JUSTIFICATION_RIGHT) return right_tabs;
return left_tabs;
}
// Offside tabs are the tab stops opposite the tabs used to align the text.
//
// Note that for a left-to-right text which is aligned to the right such as
// this function comment, the offside tabs are the horizontal tab stops
// marking the beginning of ("Note", "this" and "marking").
const GenericVector<Cluster> &OffsideTabs() const {
if (just == tesseract::JUSTIFICATION_RIGHT) return left_tabs;
return right_tabs;
}
// Return whether the i'th row extends from the leftmost left tab stop
// to the right most right tab stop.
bool IsFullRow(int i) const {
return ClosestCluster(left_tabs, (*rows)[i].lindent_) == 0 &&
ClosestCluster(right_tabs, (*rows)[i].rindent_) == 0;
}
int AlignsideTabIndex(int row_idx) const {
return ClosestCluster(AlignTabs(), (*rows)[row_idx].AlignsideIndent(just));
}
// Given what we know about the paragraph justification (just), would the
// first word of row_b have fit at the end of row_a?
bool FirstWordWouldHaveFit(int row_a, int row_b) {
return ::tesseract::FirstWordWouldHaveFit(
(*rows)[row_a], (*rows)[row_b], just);
}
void PrintRows() const { PrintRowRange(*rows, row_start, row_end); }
void Fail(int min_debug_level, const char *why) const {
if (debug_level < min_debug_level) return;
tprintf("# %s\n", why);
PrintRows();
}
ParagraphModel Model() const {
return ParagraphModel(just, margin, first_indent, body_indent, tolerance);
}
// We print out messages with a debug level at least as great as debug_level.
int debug_level;
// The Geometric Classifier was asked to find a single paragraph model
// to fit the text rows (*rows)[row_start, row_end)
GenericVector<RowScratchRegisters> *rows;
int row_start;
int row_end;
// The amount by which we expect the text edge can vary and still be aligned.
int tolerance;
// Is the script in this text block left-to-right?
// HORRIBLE ROUGH APPROXIMATION. TODO(eger): Improve
bool ltr;
// These left and right tab stops were determined to be the common tab
// stops for the given text.
GenericVector<Cluster> left_tabs;
GenericVector<Cluster> right_tabs;
// These are parameters we must determine to create a ParagraphModel.
tesseract::ParagraphJustification just;
int margin;
int first_indent;
int body_indent;
// eop_threshold > 0 if the text is fully justified. See MarkRowsWithModel()
int eop_threshold;
};
// Given a section of text where strong textual clues did not help identifying
// paragraph breaks, and for which the left and right indents have exactly
// three tab stops between them, attempt to find the paragraph breaks based
// solely on the outline of the text and whether the script is left-to-right.
//
// Algorithm Detail:
// The selected rows are in the form of a rectangle except
// for some number of "short lines" of the same length:
//
// (A1) xxxxxxxxxxxxx (B1) xxxxxxxxxxxx
// xxxxxxxxxxx xxxxxxxxxx # A "short" line.
// xxxxxxxxxxxxx xxxxxxxxxxxx
// xxxxxxxxxxxxx xxxxxxxxxxxx
//
// We have a slightly different situation if the only short
// line is at the end of the excerpt.
//
// (A2) xxxxxxxxxxxxx (B2) xxxxxxxxxxxx
// xxxxxxxxxxxxx xxxxxxxxxxxx
// xxxxxxxxxxxxx xxxxxxxxxxxx
// xxxxxxxxxxx xxxxxxxxxx # A "short" line.
//
// We'll interpret these as follows based on the reasoning in the comment for
// GeometricClassify():
// [script direction: first indent, body indent]
// (A1) LtR: 2,0 RtL: 0,0 (B1) LtR: 0,0 RtL: 2,0
// (A2) LtR: 2,0 RtL: CrR (B2) LtR: CrL RtL: 2,0
void GeometricClassifyThreeTabStopTextBlock(
int debug_level,
GeometricClassifierState &s,
ParagraphTheory *theory) {
int num_rows = s.row_end - s.row_start;
int num_full_rows = 0;
int last_row_full = 0;
for (int i = s.row_start; i < s.row_end; i++) {
if (s.IsFullRow(i)) {
num_full_rows++;
if (i == s.row_end - 1) last_row_full++;
}
}
if (num_full_rows < 0.7 * num_rows) {
s.Fail(1, "Not enough full lines to know which lines start paras.");
return;
}
// eop_threshold gets set if we're fully justified; see MarkRowsWithModel()
s.eop_threshold = 0;
if (s.ltr) {
s.AssumeLeftJustification();
} else {
s.AssumeRightJustification();
}
if (debug_level > 0) {
tprintf("# Not enough variety for clear outline classification. "
"Guessing these are %s aligned based on script.\n",
s.ltr ? "left" : "right");
s.PrintRows();
}
if (s.AlignTabs().size() == 2) { // case A1 or A2
s.first_indent = s.AlignTabs()[1].center;
s.body_indent = s.AlignTabs()[0].center;
} else { // case B1 or B2
if (num_rows - 1 == num_full_rows - last_row_full) {
// case B2
const ParagraphModel *model = s.ltr ? kCrownLeft : kCrownRight;
(*s.rows)[s.row_start].AddStartLine(model);
for (int i = s.row_start + 1; i < s.row_end; i++) {
(*s.rows)[i].AddBodyLine(model);
}
return;
} else {
// case B1
s.first_indent = s.body_indent = s.AlignTabs()[0].center;
s.eop_threshold = (s.OffsideTabs()[0].center +
s.OffsideTabs()[1].center) / 2;
}
}
const ParagraphModel *model = theory->AddModel(s.Model());
MarkRowsWithModel(s.rows, s.row_start, s.row_end, model,
s.ltr, s.eop_threshold);
return;
}
// This function is called if strong textual clues were not available, but
// the caller hopes that the paragraph breaks will be super obvious just
// by the outline of the text.
//
// The particularly difficult case is figuring out what's going on if you
// don't have enough short paragraph end lines to tell us what's going on.
//
// For instance, let's say you have the following outline:
//
// (A1) xxxxxxxxxxxxxxxxxxxxxx
// xxxxxxxxxxxxxxxxxxxx
// xxxxxxxxxxxxxxxxxxxxxx
// xxxxxxxxxxxxxxxxxxxxxx
//
// Even if we know that the text is left-to-right and so will probably be
// left-aligned, both of the following are possible texts:
//
// (A1a) 1. Here our list item
// with two full lines.
// 2. Here a second item.
// 3. Here our third one.
//
// (A1b) so ends paragraph one.
// Here starts another
// paragraph we want to
// read. This continues
//
// These examples are obvious from the text and should have been caught
// by the StrongEvidenceClassify pass. However, for languages where we don't
// have capital letters to go on (e.g. Hebrew, Arabic, Hindi, Chinese),
// it's worth guessing that (A1b) is the correct interpretation if there are
// far more "full" lines than "short" lines.
void GeometricClassify(int debug_level,
GenericVector<RowScratchRegisters> *rows,
int row_start, int row_end,
ParagraphTheory *theory) {
if (!AcceptableRowArgs(debug_level, 4, __func__, rows, row_start, row_end))
return;
if (debug_level > 1) {
tprintf("###############################################\n");
tprintf("##### GeometricClassify( rows[%d:%d) ) ####\n",
row_start, row_end);
tprintf("###############################################\n");
}
RecomputeMarginsAndClearHypotheses(rows, row_start, row_end, 10);
GeometricClassifierState s(debug_level, rows, row_start, row_end);
if (s.left_tabs.size() > 2 && s.right_tabs.size() > 2) {
s.Fail(2, "Too much variety for simple outline classification.");
return;
}
if (s.left_tabs.size() <= 1 && s.right_tabs.size() <= 1) {
s.Fail(1, "Not enough variety for simple outline classification.");
return;
}
if (s.left_tabs.size() + s.right_tabs.size() == 3) {
GeometricClassifyThreeTabStopTextBlock(debug_level, s, theory);
return;
}
// At this point, we know that one side has at least two tab stops, and the
// other side has one or two tab stops.
// Left to determine:
// (1) Which is the body indent and which is the first line indent?
// (2) Is the text fully justified?
// If one side happens to have three or more tab stops, assume that side
// is opposite of the aligned side.
if (s.right_tabs.size() > 2) {
s.AssumeLeftJustification();
} else if (s.left_tabs.size() > 2) {
s.AssumeRightJustification();
} else if (s.ltr) { // guess based on script direction
s.AssumeLeftJustification();
} else {
s.AssumeRightJustification();
}
if (s.AlignTabs().size() == 2) {
// For each tab stop on the aligned side, how many of them appear
// to be paragraph start lines? [first lines]
int firsts[2] = {0, 0};
// Count the first line as a likely paragraph start line.
firsts[s.AlignsideTabIndex(s.row_start)]++;
// For each line, if the first word would have fit on the previous
// line count it as a likely paragraph start line.
bool jam_packed = true;
for (int i = s.row_start + 1; i < s.row_end; i++) {
if (s.FirstWordWouldHaveFit(i - 1, i)) {
firsts[s.AlignsideTabIndex(i)]++;
jam_packed = false;
}
}
// Make an extra accounting for the last line of the paragraph just
// in case it's the only short line in the block. That is, take its
// first word as typical and see if this looks like the *last* line
// of a paragraph. If so, mark the *other* indent as probably a first.
if (jam_packed && s.FirstWordWouldHaveFit(s.row_end - 1, s.row_end - 1)) {
firsts[1 - s.AlignsideTabIndex(s.row_end - 1)]++;
}
int percent0firsts, percent1firsts;
percent0firsts = (100 * firsts[0]) / s.AlignTabs()[0].count;
percent1firsts = (100 * firsts[1]) / s.AlignTabs()[1].count;
// TODO(eger): Tune these constants if necessary.
if ((percent0firsts < 20 && 30 < percent1firsts) ||
percent0firsts + 30 < percent1firsts) {
s.first_indent = s.AlignTabs()[1].center;
s.body_indent = s.AlignTabs()[0].center;
} else if ((percent1firsts < 20 && 30 < percent0firsts) ||
percent1firsts + 30 < percent0firsts) {
s.first_indent = s.AlignTabs()[0].center;
s.body_indent = s.AlignTabs()[1].center;
} else {
// Ambiguous! Probably lineated (poetry)
if (debug_level > 1) {
tprintf("# Cannot determine %s indent likely to start paragraphs.\n",
s.just == tesseract::JUSTIFICATION_LEFT ? "left" : "right");
tprintf("# Indent of %d looks like a first line %d%% of the time.\n",
s.AlignTabs()[0].center, percent0firsts);
tprintf("# Indent of %d looks like a first line %d%% of the time.\n",
s.AlignTabs()[1].center, percent1firsts);
s.PrintRows();
}
return;
}
} else {
// There's only one tab stop for the "aligned to" side.
s.first_indent = s.body_indent = s.AlignTabs()[0].center;
}
// At this point, we have our model.
const ParagraphModel *model = theory->AddModel(s.Model());
// Now all we have to do is figure out if the text is fully justified or not.
// eop_threshold: default to fully justified unless we see evidence below.
// See description on MarkRowsWithModel()
s.eop_threshold =
(s.OffsideTabs()[0].center + s.OffsideTabs()[1].center) / 2;
// If the text is not fully justified, re-set the eop_threshold to 0.
if (s.AlignTabs().size() == 2) {
// Paragraphs with a paragraph-start indent.
for (int i = s.row_start; i < s.row_end - 1; i++) {
if (ValidFirstLine(s.rows, i + 1, model) &&
!NearlyEqual(s.OffsideTabs()[0].center,
(*s.rows)[i].OffsideIndent(s.just), s.tolerance)) {
// We found a non-end-of-paragraph short line: not fully justified.
s.eop_threshold = 0;
break;
}
}
} else {
// Paragraphs with no paragraph-start indent.
for (int i = s.row_start; i < s.row_end - 1; i++) {
if (!s.FirstWordWouldHaveFit(i, i + 1) &&
!NearlyEqual(s.OffsideTabs()[0].center,
(*s.rows)[i].OffsideIndent(s.just), s.tolerance)) {
// We found a non-end-of-paragraph short line: not fully justified.
s.eop_threshold = 0;
break;
}
}
}
MarkRowsWithModel(rows, row_start, row_end, model, s.ltr, s.eop_threshold);
}
// =============== Implementation of ParagraphTheory =====================
const ParagraphModel *ParagraphTheory::AddModel(const ParagraphModel &model) {
for (int i = 0; i < models_->size(); i++) {
if ((*models_)[i]->Comparable(model))
return (*models_)[i];
}
ParagraphModel *m = new ParagraphModel(model);
models_->push_back(m);
models_we_added_.push_back_new(m);
return m;
}
void ParagraphTheory::DiscardUnusedModels(const SetOfModels &used_models) {
for (int i = models_->size() - 1; i >= 0; i--) {
ParagraphModel *m = (*models_)[i];
if (!used_models.contains(m) && models_we_added_.contains(m)) {
models_->remove(i);
models_we_added_.remove(models_we_added_.get_index(m));
delete m;
}
}
}
// Examine rows[start, end) and try to determine if an existing non-centered
// paragraph model would fit them perfectly. If so, return a pointer to it.
// If not, return NULL.
const ParagraphModel *ParagraphTheory::Fits(
const GenericVector<RowScratchRegisters> *rows, int start, int end) const {
for (int m = 0; m < models_->size(); m++) {
const ParagraphModel *model = (*models_)[m];
if (model->justification() != JUSTIFICATION_CENTER &&
RowsFitModel(rows, start, end, model))
return model;
}
return NULL;
}
void ParagraphTheory::NonCenteredModels(SetOfModels *models) {
for (int m = 0; m < models_->size(); m++) {
const ParagraphModel *model = (*models_)[m];
if (model->justification() != JUSTIFICATION_CENTER)
models->push_back_new(model);
}
}
int ParagraphTheory::IndexOf(const ParagraphModel *model) const {
for (int i = 0; i < models_->size(); i++) {
if ((*models_)[i] == model)
return i;
}
return -1;
}
bool ValidFirstLine(const GenericVector<RowScratchRegisters> *rows,
int row, const ParagraphModel *model) {
if (!StrongModel(model)) {
tprintf("ValidFirstLine() should only be called with strong models!\n");
}
return StrongModel(model) &&
model->ValidFirstLine(
(*rows)[row].lmargin_, (*rows)[row].lindent_,
(*rows)[row].rindent_, (*rows)[row].rmargin_);
}
bool ValidBodyLine(const GenericVector<RowScratchRegisters> *rows,
int row, const ParagraphModel *model) {
if (!StrongModel(model)) {
tprintf("ValidBodyLine() should only be called with strong models!\n");
}
return StrongModel(model) &&
model->ValidBodyLine(
(*rows)[row].lmargin_, (*rows)[row].lindent_,
(*rows)[row].rindent_, (*rows)[row].rmargin_);
}
bool CrownCompatible(const GenericVector<RowScratchRegisters> *rows,
int a, int b, const ParagraphModel *model) {
if (model != kCrownRight && model != kCrownLeft) {
tprintf("CrownCompatible() should only be called with crown models!\n");
return false;
}
RowScratchRegisters &row_a = (*rows)[a];
RowScratchRegisters &row_b = (*rows)[b];
if (model == kCrownRight) {
return NearlyEqual(row_a.rindent_ + row_a.rmargin_,
row_b.rindent_ + row_b.rmargin_,
Epsilon(row_a.ri_->average_interword_space));
}
return NearlyEqual(row_a.lindent_ + row_a.lmargin_,
row_b.lindent_ + row_b.lmargin_,
Epsilon(row_a.ri_->average_interword_space));
}
// =============== Implementation of ParagraphModelSmearer ====================
ParagraphModelSmearer::ParagraphModelSmearer(
GenericVector<RowScratchRegisters> *rows,
int row_start, int row_end, ParagraphTheory *theory)
: theory_(theory), rows_(rows), row_start_(row_start),
row_end_(row_end) {
if (!AcceptableRowArgs(0, 0, __func__, rows, row_start, row_end)) {
row_start_ = 0;
row_end_ = 0;
return;
}
SetOfModels no_models;
for (int row = row_start - 1; row <= row_end; row++) {
open_models_.push_back(no_models);
}
}
// see paragraphs_internal.h
void ParagraphModelSmearer::CalculateOpenModels(int row_start, int row_end) {
SetOfModels no_models;
if (row_start < row_start_) row_start = row_start_;
if (row_end > row_end_) row_end = row_end_;
for (int row = (row_start > 0) ? row_start - 1 : row_start; row < row_end;
row++) {
if ((*rows_)[row].ri_->num_words == 0) {
OpenModels(row + 1) = no_models;
} else {
SetOfModels &opened = OpenModels(row);
(*rows_)[row].StartHypotheses(&opened);
// Which models survive the transition from row to row + 1?
SetOfModels still_open;
for (int m = 0; m < opened.size(); m++) {
if (ValidFirstLine(rows_, row, opened[m]) ||
ValidBodyLine(rows_, row, opened[m])) {
// This is basic filtering; we check likely paragraph starty-ness down
// below in Smear() -- you know, whether the first word would have fit
// and such.
still_open.push_back_new(opened[m]);
}
}
OpenModels(row + 1) = still_open;
}
}
}
// see paragraphs_internal.h
void ParagraphModelSmearer::Smear() {
CalculateOpenModels(row_start_, row_end_);
// For each row which we're unsure about (that is, it is LT_UNKNOWN or
// we have multiple LT_START hypotheses), see if there's a model that
// was recently used (an "open" model) which might model it well.
for (int i = row_start_; i < row_end_; i++) {
RowScratchRegisters &row = (*rows_)[i];
if (row.ri_->num_words == 0)
continue;
// Step One:
// Figure out if there are "open" models which are left-alined or
// right-aligned. This is important for determining whether the
// "first" word in a row would fit at the "end" of the previous row.
bool left_align_open = false;
bool right_align_open = false;
for (int m = 0; m < OpenModels(i).size(); m++) {
switch (OpenModels(i)[m]->justification()) {
case JUSTIFICATION_LEFT: left_align_open = true; break;
case JUSTIFICATION_RIGHT: right_align_open = true; break;
default: left_align_open = right_align_open = true;
}
}
// Step Two:
// Use that knowledge to figure out if this row is likely to
// start a paragraph.
bool likely_start;
if (i == 0) {
likely_start = true;
} else {
if ((left_align_open && right_align_open) ||
(!left_align_open && !right_align_open)) {
likely_start = LikelyParagraphStart((*rows_)[i - 1], row,
JUSTIFICATION_LEFT) ||
LikelyParagraphStart((*rows_)[i - 1], row,
JUSTIFICATION_RIGHT);
} else if (left_align_open) {
likely_start = LikelyParagraphStart((*rows_)[i - 1], row,
JUSTIFICATION_LEFT);
} else {
likely_start = LikelyParagraphStart((*rows_)[i - 1], row,
JUSTIFICATION_RIGHT);
}
}
// Step Three:
// If this text line seems like an obvious first line of an
// open model, or an obvious continuation of an existing
// modelled paragraph, mark it up.
if (likely_start) {
// Add Start Hypotheses for all Open models that fit.
for (int m = 0; m < OpenModels(i).size(); m++) {
if (ValidFirstLine(rows_, i, OpenModels(i)[m])) {
row.AddStartLine(OpenModels(i)[m]);
}
}
} else {
// Add relevant body line hypotheses.
SetOfModels last_line_models;
if (i > 0) {
(*rows_)[i - 1].StrongHypotheses(&last_line_models);
} else {
theory_->NonCenteredModels(&last_line_models);
}
for (int m = 0; m < last_line_models.size(); m++) {
const ParagraphModel *model = last_line_models[m];
if (ValidBodyLine(rows_, i, model))
row.AddBodyLine(model);
}
}
// Step Four:
// If we're still quite unsure about this line, go through all
// models in our theory and see if this row could be the start
// of any of our models.
if (row.GetLineType() == LT_UNKNOWN ||
(row.GetLineType() == LT_START && !row.UniqueStartHypothesis())) {
SetOfModels all_models;
theory_->NonCenteredModels(&all_models);
for (int m = 0; m < all_models.size(); m++) {
if (ValidFirstLine(rows_, i, all_models[m])) {
row.AddStartLine(all_models[m]);
}
}
}
// Step Five:
// Since we may have updated the hypotheses about this row, we need
// to recalculate the Open models for the rest of rows[i + 1, row_end)
if (row.GetLineType() != LT_UNKNOWN) {
CalculateOpenModels(i + 1, row_end_);
}
}
}
// ================ Main Paragraph Detection Algorithm =======================
// Find out what ParagraphModels are actually used, and discard any
// that are not.
void DiscardUnusedModels(const GenericVector<RowScratchRegisters> &rows,
ParagraphTheory *theory) {
SetOfModels used_models;
for (int i = 0; i < rows.size(); i++) {
rows[i].StrongHypotheses(&used_models);
}
theory->DiscardUnusedModels(used_models);
}
// DowngradeWeakestToCrowns:
// Forget any flush-{left, right} models unless we see two or more
// of them in sequence.
//
// In pass 3, we start to classify even flush-left paragraphs (paragraphs
// where the first line and body indent are the same) as having proper Models.
// This is generally dangerous, since if you start imagining that flush-left
// is a typical paragraph model when it is not, it will lead you to chop normal
// indented paragraphs in the middle whenever a sentence happens to start on a
// new line (see "This" above). What to do?
// What we do is to take any paragraph which is flush left and is not
// preceded by another paragraph of the same model and convert it to a "Crown"
// paragraph. This is a weak pseudo-ParagraphModel which is a placeholder
// for later. It means that the paragraph is flush, but it would be desirable
// to mark it as the same model as following text if it fits. This downgrade
// FlushLeft -> CrownLeft -> Model of following paragraph. Means that we
// avoid making flush left Paragraph Models whenever we see a top-of-the-page
// half-of-a-paragraph. and instead we mark it the same as normal body text.
//
// Implementation:
//
// Comb backwards through the row scratch registers, and turn any
// sequences of body lines of equivalent type abutted against the beginning
// or a body or start line of a different type into a crown paragraph.
void DowngradeWeakestToCrowns(int debug_level,
ParagraphTheory *theory,
GenericVector<RowScratchRegisters> *rows) {
int start;
for (int end = rows->size(); end > 0; end = start) {
// Search back for a body line of a unique type.
const ParagraphModel *model = NULL;
while (end > 0 &&
(model = (*rows)[end - 1].UniqueBodyHypothesis()) == NULL) {
end--;
}
if (end == 0) break;
start = end - 1;
while (start >= 0 && (*rows)[start].UniqueBodyHypothesis() == model) {
start--; // walk back to the first line that is not the same body type.
}
if (start >= 0 && (*rows)[start].UniqueStartHypothesis() == model &&
StrongModel(model) &&
NearlyEqual(model->first_indent(), model->body_indent(),
model->tolerance())) {
start--;
}
start++;
// Now rows[start, end) is a sequence of unique body hypotheses of model.
if (StrongModel(model) && model->justification() == JUSTIFICATION_CENTER)
continue;
if (!StrongModel(model)) {
while (start > 0 &&
CrownCompatible(rows, start - 1, start, model))
start--;
}
if (start == 0 ||
(!StrongModel(model)) ||
(StrongModel(model) && !ValidFirstLine(rows, start - 1, model))) {
// crownify rows[start, end)
const ParagraphModel *crown_model = model;
if (StrongModel(model)) {
if (model->justification() == JUSTIFICATION_LEFT)
crown_model = kCrownLeft;
else
crown_model = kCrownRight;
}
(*rows)[start].SetUnknown();
(*rows)[start].AddStartLine(crown_model);
for (int row = start + 1; row < end; row++) {
(*rows)[row].SetUnknown();
(*rows)[row].AddBodyLine(crown_model);
}
}
}
DiscardUnusedModels(*rows, theory);
}
// Clear all hypotheses about lines [start, end) and reset margins.
//
// The empty space between the left of a row and the block boundary (and
// similarly for the right) is split into two pieces: margin and indent.
// In initial processing, we assume the block is tight and the margin for
// all lines is set to zero. However, if our first pass does not yield
// models for everything, it may be due to an inset paragraph like a
// block-quote. In that case, we make a second pass over that unmarked
// section of the page and reset the "margin" portion of the empty space
// to the common amount of space at the ends of the lines under consid-
// eration. This would be equivalent to percentile set to 0. However,
// sometimes we have a single character sticking out in the right margin
// of a text block (like the 'r' in 'for' on line 3 above), and we can
// really just ignore it as an outlier. To express this, we allow the
// user to specify the percentile (0..100) of indent values to use as
// the common margin for each row in the run of rows[start, end).
void RecomputeMarginsAndClearHypotheses(
GenericVector<RowScratchRegisters> *rows, int start, int end,
int percentile) {
if (!AcceptableRowArgs(0, 0, __func__, rows, start, end))
return;
int lmin, lmax, rmin, rmax;
lmin = lmax = (*rows)[start].lmargin_ + (*rows)[start].lindent_;
rmin = rmax = (*rows)[start].rmargin_ + (*rows)[start].rindent_;
for (int i = start; i < end; i++) {
RowScratchRegisters &sr = (*rows)[i];
sr.SetUnknown();
if (sr.ri_->num_words == 0)
continue;
UpdateRange(sr.lmargin_ + sr.lindent_, &lmin, &lmax);
UpdateRange(sr.rmargin_ + sr.rindent_, &rmin, &rmax);
}
STATS lefts(lmin, lmax + 1);
STATS rights(rmin, rmax + 1);
for (int i = start; i < end; i++) {
RowScratchRegisters &sr = (*rows)[i];
if (sr.ri_->num_words == 0)
continue;
lefts.add(sr.lmargin_ + sr.lindent_, 1);
rights.add(sr.rmargin_ + sr.rindent_, 1);
}
int ignorable_left = lefts.ile(ClipToRange(percentile, 0, 100) / 100.0);
int ignorable_right = rights.ile(ClipToRange(percentile, 0, 100) / 100.0);
for (int i = start; i < end; i++) {
RowScratchRegisters &sr = (*rows)[i];
int ldelta = ignorable_left - sr.lmargin_;
sr.lmargin_ += ldelta;
sr.lindent_ -= ldelta;
int rdelta = ignorable_right - sr.rmargin_;
sr.rmargin_ += rdelta;
sr.rindent_ -= rdelta;
}
}
// Return the median inter-word space in rows[row_start, row_end).
int InterwordSpace(const GenericVector<RowScratchRegisters> &rows,
int row_start, int row_end) {
if (row_end < row_start + 1) return 1;
int word_height = (rows[row_start].ri_->lword_box.height() +
rows[row_end - 1].ri_->lword_box.height()) / 2;
int word_width = (rows[row_start].ri_->lword_box.width() +
rows[row_end - 1].ri_->lword_box.width()) / 2;
STATS spacing_widths(0, 5 + word_width);
for (int i = row_start; i < row_end; i++) {
if (rows[i].ri_->num_words > 1) {
spacing_widths.add(rows[i].ri_->average_interword_space, 1);
}
}
int minimum_reasonable_space = word_height / 3;
if (minimum_reasonable_space < 2)
minimum_reasonable_space = 2;
int median = spacing_widths.median();
return (median > minimum_reasonable_space)
? median : minimum_reasonable_space;
}
// Return whether the first word on the after line can fit in the space at
// the end of the before line (knowing which way the text is aligned and read).
bool FirstWordWouldHaveFit(const RowScratchRegisters &before,
const RowScratchRegisters &after,
tesseract::ParagraphJustification justification) {
if (before.ri_->num_words == 0 || after.ri_->num_words == 0)
return true;
if (justification == JUSTIFICATION_UNKNOWN) {
tprintf("Don't call FirstWordWouldHaveFit(r, s, JUSTIFICATION_UNKNOWN).\n");
}
int available_space;
if (justification == JUSTIFICATION_CENTER) {
available_space = before.lindent_ + before.rindent_;
} else {
available_space = before.OffsideIndent(justification);
}
available_space -= before.ri_->average_interword_space;
if (before.ri_->ltr)
return after.ri_->lword_box.width() < available_space;
return after.ri_->rword_box.width() < available_space;
}
// Return whether the first word on the after line can fit in the space at
// the end of the before line (not knowing which way the text goes) in a left
// or right alignemnt.
bool FirstWordWouldHaveFit(const RowScratchRegisters &before,
const RowScratchRegisters &after) {
if (before.ri_->num_words == 0 || after.ri_->num_words == 0)
return true;
int available_space = before.lindent_;
if (before.rindent_ > available_space)
available_space = before.rindent_;
available_space -= before.ri_->average_interword_space;
if (before.ri_->ltr)
return after.ri_->lword_box.width() < available_space;
return after.ri_->rword_box.width() < available_space;
}
bool TextSupportsBreak(const RowScratchRegisters &before,
const RowScratchRegisters &after) {
if (before.ri_->ltr) {
return before.ri_->rword_likely_ends_idea &&
after.ri_->lword_likely_starts_idea;
} else {
return before.ri_->lword_likely_ends_idea &&
after.ri_->rword_likely_starts_idea;
}
}
bool LikelyParagraphStart(const RowScratchRegisters &before,
const RowScratchRegisters &after) {
return before.ri_->num_words == 0 ||
(FirstWordWouldHaveFit(before, after) &&
TextSupportsBreak(before, after));
}
bool LikelyParagraphStart(const RowScratchRegisters &before,
const RowScratchRegisters &after,
tesseract::ParagraphJustification j) {
return before.ri_->num_words == 0 ||
(FirstWordWouldHaveFit(before, after, j) &&
TextSupportsBreak(before, after));
}
// Examine rows[start, end) and try to determine what sort of ParagraphModel
// would fit them as a single paragraph.
// If we can't produce a unique model justification_ = JUSTIFICATION_UNKNOWN.
// If the rows given could be a consistent start to a paragraph, set *consistent
// true.
ParagraphModel InternalParagraphModelByOutline(
const GenericVector<RowScratchRegisters> *rows,
int start, int end, int tolerance, bool *consistent) {
int ltr_line_count = 0;
for (int i = start; i < end; i++) {
ltr_line_count += static_cast<int>((*rows)[i].ri_->ltr);
}
bool ltr = (ltr_line_count >= (end - start) / 2);
*consistent = true;
if (!AcceptableRowArgs(0, 2, __func__, rows, start, end))
return ParagraphModel();
// Ensure the caller only passed us a region with a common rmargin and
// lmargin.
int lmargin = (*rows)[start].lmargin_;
int rmargin = (*rows)[start].rmargin_;
int lmin, lmax, rmin, rmax, cmin, cmax;
lmin = lmax = (*rows)[start + 1].lindent_;
rmin = rmax = (*rows)[start + 1].rindent_;
cmin = cmax = 0;
for (int i = start + 1; i < end; i++) {
if ((*rows)[i].lmargin_ != lmargin || (*rows)[i].rmargin_ != rmargin) {
tprintf("Margins don't match! Software error.\n");
*consistent = false;
return ParagraphModel();
}
UpdateRange((*rows)[i].lindent_, &lmin, &lmax);
UpdateRange((*rows)[i].rindent_, &rmin, &rmax);
UpdateRange((*rows)[i].rindent_ - (*rows)[i].lindent_, &cmin, &cmax);
}
int ldiff = lmax - lmin;
int rdiff = rmax - rmin;
int cdiff = cmax - cmin;
if (rdiff > tolerance && ldiff > tolerance) {
if (cdiff < tolerance * 2) {
if (end - start < 3)
return ParagraphModel();
return ParagraphModel(JUSTIFICATION_CENTER, 0, 0, 0, tolerance);
}
*consistent = false;
return ParagraphModel();
}
if (end - start < 3) // Don't return a model for two line paras.
return ParagraphModel();
// These booleans keep us from saying something is aligned left when the body
// left variance is too large.
bool body_admits_left_alignment = ldiff < tolerance;
bool body_admits_right_alignment = rdiff < tolerance;
ParagraphModel left_model =
ParagraphModel(JUSTIFICATION_LEFT, lmargin, (*rows)[start].lindent_,
(lmin + lmax) / 2, tolerance);
ParagraphModel right_model =
ParagraphModel(JUSTIFICATION_RIGHT, rmargin, (*rows)[start].rindent_,
(rmin + rmax) / 2, tolerance);
// These booleans keep us from having an indent on the "wrong side" for the
// first line.
bool text_admits_left_alignment = ltr || left_model.is_flush();
bool text_admits_right_alignment = !ltr || right_model.is_flush();
// At least one of the edges is less than tolerance in variance.
// If the other is obviously ragged, it can't be the one aligned to.
// [Note the last line is included in this raggedness.]
if (tolerance < rdiff) {
if (body_admits_left_alignment && text_admits_left_alignment)
return left_model;
*consistent = false;
return ParagraphModel();
}
if (tolerance < ldiff) {
if (body_admits_right_alignment && text_admits_right_alignment)
return right_model;
*consistent = false;
return ParagraphModel();
}
// At this point, we know the body text doesn't vary much on either side.
// If the first line juts out oddly in one direction or the other,
// that likely indicates the side aligned to.
int first_left = (*rows)[start].lindent_;
int first_right = (*rows)[start].rindent_;
if (ltr && body_admits_left_alignment &&
(first_left < lmin || first_left > lmax))
return left_model;
if (!ltr && body_admits_right_alignment &&
(first_right < rmin || first_right > rmax))
return right_model;
*consistent = false;
return ParagraphModel();
}
// Examine rows[start, end) and try to determine what sort of ParagraphModel
// would fit them as a single paragraph. If nothing fits,
// justification_ = JUSTIFICATION_UNKNOWN and print the paragraph to debug
// output if we're debugging.
ParagraphModel ParagraphModelByOutline(
int debug_level,
const GenericVector<RowScratchRegisters> *rows,
int start, int end, int tolerance) {
bool unused_consistent;
ParagraphModel retval = InternalParagraphModelByOutline(
rows, start, end, tolerance, &unused_consistent);
if (debug_level >= 2 && retval.justification() == JUSTIFICATION_UNKNOWN) {
tprintf("Could not determine a model for this paragraph:\n");
PrintRowRange(*rows, start, end);
}
return retval;
}
// Do rows[start, end) form a single instance of the given paragraph model?
bool RowsFitModel(const GenericVector<RowScratchRegisters> *rows,
int start, int end, const ParagraphModel *model) {
if (!AcceptableRowArgs(0, 1, __func__, rows, start, end))
return false;
if (!ValidFirstLine(rows, start, model)) return false;
for (int i = start + 1 ; i < end; i++) {
if (!ValidBodyLine(rows, i, model)) return false;
}
return true;
}
// Examine rows[row_start, row_end) as an independent section of text,
// and mark rows that are exceptionally clear as start-of-paragraph
// and paragraph-body lines.
//
// We presume that any lines surrounding rows[row_start, row_end) may
// have wildly different paragraph models, so we don't key any data off
// of those lines.
//
// We only take the very strongest signals, as we don't want to get
// confused and marking up centered text, poetry, or source code as
// clearly part of a typical paragraph.
void MarkStrongEvidence(GenericVector<RowScratchRegisters> *rows,
int row_start, int row_end) {
// Record patently obvious body text.
for (int i = row_start + 1; i < row_end; i++) {
const RowScratchRegisters &prev = (*rows)[i - 1];
RowScratchRegisters &curr = (*rows)[i];
tesseract::ParagraphJustification typical_justification =
prev.ri_->ltr ? JUSTIFICATION_LEFT : JUSTIFICATION_RIGHT;
if (!curr.ri_->rword_likely_starts_idea &&
!curr.ri_->lword_likely_starts_idea &&
!FirstWordWouldHaveFit(prev, curr, typical_justification)) {
curr.SetBodyLine();
}
}
// Record patently obvious start paragraph lines.
//
// It's an extremely good signal of the start of a paragraph that
// the first word would have fit on the end of the previous line.
// However, applying just that signal would have us mark random
// start lines of lineated text (poetry and source code) and some
// centered headings as paragraph start lines. Therefore, we use
// a second qualification for a paragraph start: Not only should
// the first word of this line have fit on the previous line,
// but also, this line should go full to the right of the block,
// disallowing a subsequent word from having fit on this line.
// First row:
{
RowScratchRegisters &curr = (*rows)[row_start];
RowScratchRegisters &next = (*rows)[row_start + 1];
tesseract::ParagraphJustification j =
curr.ri_->ltr ? JUSTIFICATION_LEFT : JUSTIFICATION_RIGHT;
if (curr.GetLineType() == LT_UNKNOWN &&
!FirstWordWouldHaveFit(curr, next, j) &&
(curr.ri_->lword_likely_starts_idea ||
curr.ri_->rword_likely_starts_idea)) {
curr.SetStartLine();
}
}
// Middle rows
for (int i = row_start + 1; i < row_end - 1; i++) {
RowScratchRegisters &prev = (*rows)[i - 1];
RowScratchRegisters &curr = (*rows)[i];
RowScratchRegisters &next = (*rows)[i + 1];
tesseract::ParagraphJustification j =
curr.ri_->ltr ? JUSTIFICATION_LEFT : JUSTIFICATION_RIGHT;
if (curr.GetLineType() == LT_UNKNOWN &&
!FirstWordWouldHaveFit(curr, next, j) &&
LikelyParagraphStart(prev, curr, j)) {
curr.SetStartLine();
}
}
// Last row
{ // the short circuit at the top means we have at least two lines.
RowScratchRegisters &prev = (*rows)[row_end - 2];
RowScratchRegisters &curr = (*rows)[row_end - 1];
tesseract::ParagraphJustification j =
curr.ri_->ltr ? JUSTIFICATION_LEFT : JUSTIFICATION_RIGHT;
if (curr.GetLineType() == LT_UNKNOWN &&
!FirstWordWouldHaveFit(curr, curr, j) &&
LikelyParagraphStart(prev, curr, j)) {
curr.SetStartLine();
}
}
}
// Look for sequences of a start line followed by some body lines in
// rows[row_start, row_end) and create ParagraphModels for them if
// they seem coherent.
void ModelStrongEvidence(int debug_level,
GenericVector<RowScratchRegisters> *rows,
int row_start, int row_end,
bool allow_flush_models,
ParagraphTheory *theory) {
if (!AcceptableRowArgs(debug_level, 2, __func__, rows, row_start, row_end))
return;
int start = row_start;
while (start < row_end) {
while (start < row_end && (*rows)[start].GetLineType() != LT_START)
start++;
if (start >= row_end - 1)
break;
int tolerance = Epsilon((*rows)[start + 1].ri_->average_interword_space);
int end = start;
ParagraphModel last_model;
bool next_consistent;
do {
++end;
// rows[row, end) was consistent.
// If rows[row, end + 1) is not consistent,
// just model rows[row, end)
if (end < row_end - 1) {
RowScratchRegisters &next = (*rows)[end];
LineType lt = next.GetLineType();
next_consistent = lt == LT_BODY ||
(lt == LT_UNKNOWN &&
!FirstWordWouldHaveFit((*rows)[end - 1], (*rows)[end]));
} else {
next_consistent = false;
}
if (next_consistent) {
ParagraphModel next_model = InternalParagraphModelByOutline(
rows, start, end + 1, tolerance, &next_consistent);
if (((*rows)[start].ri_->ltr &&
last_model.justification() == JUSTIFICATION_LEFT &&
next_model.justification() != JUSTIFICATION_LEFT) ||
(!(*rows)[start].ri_->ltr &&
last_model.justification() == JUSTIFICATION_RIGHT &&
next_model.justification() != JUSTIFICATION_RIGHT)) {
next_consistent = false;
}
last_model = next_model;
} else {
next_consistent = false;
}
} while (next_consistent && end < row_end);
// At this point, rows[start, end) looked like it could have been a
// single paragraph. If we can make a good ParagraphModel for it,
// do so and mark this sequence with that model.
if (end > start + 1) {
// emit a new paragraph if we have more than one line.
const ParagraphModel *model = NULL;
ParagraphModel new_model = ParagraphModelByOutline(
debug_level, rows, start, end,
Epsilon(InterwordSpace(*rows, start, end)));
if (new_model.justification() == JUSTIFICATION_UNKNOWN) {
// couldn't create a good model, oh well.
} else if (new_model.is_flush()) {
if (end == start + 2) {
// It's very likely we just got two paragraph starts in a row.
end = start + 1;
} else if (start == row_start) {
// Mark this as a Crown.
if (new_model.justification() == JUSTIFICATION_LEFT) {
model = kCrownLeft;
} else {
model = kCrownRight;
}
} else if (allow_flush_models) {
model = theory->AddModel(new_model);
}
} else {
model = theory->AddModel(new_model);
}
if (model) {
(*rows)[start].AddStartLine(model);
for (int i = start + 1; i < end; i++) {
(*rows)[i].AddBodyLine(model);
}
}
}
start = end;
}
}
// We examine rows[row_start, row_end) and do the following:
// (1) Clear all existing hypotheses for the rows being considered.
// (2) Mark up any rows as exceptionally likely to be paragraph starts
// or paragraph body lines as such using both geometric and textual
// clues.
// (3) Form models for any sequence of start + continuation lines.
// (4) Smear the paragraph models to cover surrounding text.
void StrongEvidenceClassify(int debug_level,
GenericVector<RowScratchRegisters> *rows,
int row_start, int row_end,
ParagraphTheory *theory) {
if (!AcceptableRowArgs(debug_level, 2, __func__, rows, row_start, row_end))
return;
if (debug_level > 1) {
tprintf("#############################################\n");
tprintf("# StrongEvidenceClassify( rows[%d:%d) )\n", row_start, row_end);
tprintf("#############################################\n");
}
RecomputeMarginsAndClearHypotheses(rows, row_start, row_end, 10);
MarkStrongEvidence(rows, row_start, row_end);
DebugDump(debug_level > 2, "Initial strong signals.", *theory, *rows);
// Create paragraph models.
ModelStrongEvidence(debug_level, rows, row_start, row_end, false, theory);
DebugDump(debug_level > 2, "Unsmeared hypotheses.s.", *theory, *rows);
// At this point, some rows are marked up as paragraphs with model numbers,
// and some rows are marked up as either LT_START or LT_BODY. Now let's
// smear any good paragraph hypotheses forward and backward.
ParagraphModelSmearer smearer(rows, row_start, row_end, theory);
smearer.Smear();
}
void SeparateSimpleLeaderLines(GenericVector<RowScratchRegisters> *rows,
int row_start, int row_end,
ParagraphTheory *theory) {
for (int i = row_start + 1; i < row_end - 1; i++) {
if ((*rows)[i - 1].ri_->has_leaders &&
(*rows)[i].ri_->has_leaders &&
(*rows)[i + 1].ri_->has_leaders) {
const ParagraphModel *model = theory->AddModel(
ParagraphModel(JUSTIFICATION_UNKNOWN, 0, 0, 0, 0));
(*rows)[i].AddStartLine(model);
}
}
}
// Collect sequences of unique hypotheses in row registers and create proper
// paragraphs for them, referencing the paragraphs in row_owners.
void ConvertHypothesizedModelRunsToParagraphs(
int debug_level,
const GenericVector<RowScratchRegisters> &rows,
GenericVector<PARA *> *row_owners,
ParagraphTheory *theory) {
int end = rows.size();
int start;
for (; end > 0; end = start) {
start = end - 1;
const ParagraphModel *model = NULL;
// TODO(eger): Be smarter about dealing with multiple hypotheses.
bool single_line_paragraph = false;
SetOfModels models;
rows[start].NonNullHypotheses(&models);
if (models.size() > 0) {
model = models[0];
if (rows[start].GetLineType(model) != LT_BODY)
single_line_paragraph = true;
}
if (model && !single_line_paragraph) {
// walk back looking for more body lines and then a start line.
while (--start > 0 && rows[start].GetLineType(model) == LT_BODY) {
// do nothing
}
if (start < 0 || rows[start].GetLineType(model) != LT_START) {
model = NULL;
}
}
if (model == NULL) {
continue;
}
// rows[start, end) should be a paragraph.
PARA *p = new PARA();
if (model == kCrownLeft || model == kCrownRight) {
p->is_very_first_or_continuation = true;
// Crown paragraph.
// If we can find an existing ParagraphModel that fits, use it,
// else create a new one.
for (int row = end; row < rows.size(); row++) {
if ((*row_owners)[row] &&
(ValidBodyLine(&rows, start, (*row_owners)[row]->model) &&
(start == 0 ||
ValidFirstLine(&rows, start, (*row_owners)[row]->model)))) {
model = (*row_owners)[row]->model;
break;
}
}
if (model == kCrownLeft) {
// No subsequent model fits, so cons one up.
model = theory->AddModel(ParagraphModel(
JUSTIFICATION_LEFT, rows[start].lmargin_ + rows[start].lindent_,
0, 0, Epsilon(rows[start].ri_->average_interword_space)));
} else if (model == kCrownRight) {
// No subsequent model fits, so cons one up.
model = theory->AddModel(ParagraphModel(
JUSTIFICATION_RIGHT, rows[start].rmargin_ + rows[start].rmargin_,
0, 0, Epsilon(rows[start].ri_->average_interword_space)));
}
}
rows[start].SetUnknown();
rows[start].AddStartLine(model);
for (int i = start + 1; i < end; i++) {
rows[i].SetUnknown();
rows[i].AddBodyLine(model);
}
p->model = model;
p->has_drop_cap = rows[start].ri_->has_drop_cap;
p->is_list_item =
model->justification() == JUSTIFICATION_RIGHT
? rows[start].ri_->rword_indicates_list_item
: rows[start].ri_->lword_indicates_list_item;
for (int row = start; row < end; row++) {
if ((*row_owners)[row] != NULL) {
tprintf("Memory leak! ConvertHypothesizeModelRunsToParagraphs() called "
"more than once!\n");
}
(*row_owners)[row] = p;
}
}
}
struct Interval {
Interval() : begin(0), end(0) {}
Interval(int b, int e) : begin(b), end(e) {}
int begin;
int end;
};
// Return whether rows[row] appears to be stranded, meaning that the evidence
// for this row is very weak due to context. For instance, two lines of source
// code may happen to be indented at the same tab vector as body text starts,
// leading us to think they are two start-of-paragraph lines. This is not
// optimal. However, we also don't want to mark a sequence of short dialog
// as "weak," so our heuristic is:
// (1) If a line is surrounded by lines of unknown type, it's weak.
// (2) If two lines in a row are start lines for a given paragraph type, but
// after that the same paragraph type does not continue, they're weak.
bool RowIsStranded(const GenericVector<RowScratchRegisters> &rows, int row) {
SetOfModels row_models;
rows[row].StrongHypotheses(&row_models);
for (int m = 0; m < row_models.size(); m++) {
bool all_starts = rows[row].GetLineType();
int run_length = 1;
bool continues = true;
for (int i = row - 1; i >= 0 && continues; i--) {
SetOfModels models;
rows[i].NonNullHypotheses(&models);
switch (rows[i].GetLineType(row_models[m])) {
case LT_START: run_length++; break;
case LT_MULTIPLE: // explicit fall-through
case LT_BODY: run_length++; all_starts = false; break;
case LT_UNKNOWN: // explicit fall-through
default: continues = false;
}
}
continues = true;
for (int i = row + 1; i < rows.size() && continues; i++) {
SetOfModels models;
rows[i].NonNullHypotheses(&models);
switch (rows[i].GetLineType(row_models[m])) {
case LT_START: run_length++; break;
case LT_MULTIPLE: // explicit fall-through
case LT_BODY: run_length++; all_starts = false; break;
case LT_UNKNOWN: // explicit fall-through
default: continues = false;
}
}
if (run_length > 2 || (!all_starts && run_length > 1)) return false;
}
return true;
}
// Go through rows[row_start, row_end) and gather up sequences that need better
// classification.
// + Sequences of non-empty rows without hypotheses.
// + Crown paragraphs not immediately followed by a strongly modeled line.
// + Single line paragraphs surrounded by text that doesn't match the
// model.
void LeftoverSegments(const GenericVector<RowScratchRegisters> &rows,
GenericVector<Interval> *to_fix,
int row_start, int row_end) {
to_fix->clear();
for (int i = row_start; i < row_end; i++) {
bool needs_fixing = false;
SetOfModels models;
SetOfModels models_w_crowns;
rows[i].StrongHypotheses(&models);
rows[i].NonNullHypotheses(&models_w_crowns);
if (models.empty() && models_w_crowns.size() > 0) {
// Crown paragraph. Is it followed by a modeled line?
for (int end = i + 1; end < rows.size(); end++) {
SetOfModels end_models;
SetOfModels strong_end_models;
rows[end].NonNullHypotheses(&end_models);
rows[end].StrongHypotheses(&strong_end_models);
if (end_models.size() == 0) {
needs_fixing = true;
break;
} else if (strong_end_models.size() > 0) {
needs_fixing = false;
break;
}
}
} else if (models.empty() && rows[i].ri_->num_words > 0) {
// No models at all.
needs_fixing = true;
}
if (!needs_fixing && !models.empty()) {
needs_fixing = RowIsStranded(rows, i);
}
if (needs_fixing) {
if (!to_fix->empty() && to_fix->back().end == i - 1)
to_fix->back().end = i;
else
to_fix->push_back(Interval(i, i));
}
}
// Convert inclusive intervals to half-open intervals.
for (int i = 0; i < to_fix->size(); i++) {
(*to_fix)[i].end = (*to_fix)[i].end + 1;
}
}
// Given a set of row_owners pointing to PARAs or NULL (no paragraph known),
// normalize each row_owner to point to an actual PARA, and output the
// paragraphs in order onto paragraphs.
void CanonicalizeDetectionResults(
GenericVector<PARA *> *row_owners,
PARA_LIST *paragraphs) {
GenericVector<PARA *> &rows = *row_owners;
paragraphs->clear();
PARA_IT out(paragraphs);
PARA *formerly_null = NULL;
for (int i = 0; i < rows.size(); i++) {
if (rows[i] == NULL) {
if (i == 0 || rows[i - 1] != formerly_null) {
rows[i] = formerly_null = new PARA();
} else {
rows[i] = formerly_null;
continue;
}
} else if (i > 0 && rows[i - 1] == rows[i]) {
continue;
}
out.add_after_then_move(rows[i]);
}
}
// Main entry point for Paragraph Detection Algorithm.
//
// Given a set of equally spaced textlines (described by row_infos),
// Split them into paragraphs.
//
// Output:
// row_owners - one pointer for each row, to the paragraph it belongs to.
// paragraphs - this is the actual list of PARA objects.
// models - the list of paragraph models referenced by the PARA objects.
// caller is responsible for deleting the models.
void DetectParagraphs(int debug_level,
GenericVector<RowInfo> *row_infos,
GenericVector<PARA *> *row_owners,
PARA_LIST *paragraphs,
GenericVector<ParagraphModel *> *models) {
GenericVector<RowScratchRegisters> rows;
ParagraphTheory theory(models);
// Initialize row_owners to be a bunch of NULL pointers.
row_owners->init_to_size(row_infos->size(), NULL);
// Set up row scratch registers for the main algorithm.
rows.init_to_size(row_infos->size(), RowScratchRegisters());
for (int i = 0; i < row_infos->size(); i++) {
rows[i].Init((*row_infos)[i]);
}
// Pass 1:
// Detect sequences of lines that all contain leader dots (.....)
// These are likely Tables of Contents. If there are three text lines in
// a row with leader dots, it's pretty safe to say the middle one should
// be a paragraph of its own.
SeparateSimpleLeaderLines(&rows, 0, rows.size(), &theory);
DebugDump(debug_level > 1, "End of Pass 1", theory, rows);
GenericVector<Interval> leftovers;
LeftoverSegments(rows, &leftovers, 0, rows.size());
for (int i = 0; i < leftovers.size(); i++) {
// Pass 2a:
// Find any strongly evidenced start-of-paragraph lines. If they're
// followed by two lines that look like body lines, make a paragraph
// model for that and see if that model applies throughout the text
// (that is, "smear" it).
StrongEvidenceClassify(debug_level, &rows,
leftovers[i].begin, leftovers[i].end, &theory);
// Pass 2b:
// If we had any luck in pass 2a, we got part of the page and didn't
// know how to classify a few runs of rows. Take the segments that
// didn't find a model and reprocess them individually.
GenericVector<Interval> leftovers2;
LeftoverSegments(rows, &leftovers2, leftovers[i].begin, leftovers[i].end);
bool pass2a_was_useful = leftovers2.size() > 1 ||
(leftovers2.size() == 1 &&
(leftovers2[0].begin != 0 || leftovers2[0].end != rows.size()));
if (pass2a_was_useful) {
for (int j = 0; j < leftovers2.size(); j++) {
StrongEvidenceClassify(debug_level, &rows,
leftovers2[j].begin, leftovers2[j].end,
&theory);
}
}
}
DebugDump(debug_level > 1, "End of Pass 2", theory, rows);
// Pass 3:
// These are the dregs for which we didn't have enough strong textual
// and geometric clues to form matching models for. Let's see if
// the geometric clues are simple enough that we could just use those.
LeftoverSegments(rows, &leftovers, 0, rows.size());
for (int i = 0; i < leftovers.size(); i++) {
GeometricClassify(debug_level, &rows,
leftovers[i].begin, leftovers[i].end, &theory);
}
// Undo any flush models for which there's little evidence.
DowngradeWeakestToCrowns(debug_level, &theory, &rows);
DebugDump(debug_level > 1, "End of Pass 3", theory, rows);
// Pass 4:
// Take everything that's still not marked up well and clear all markings.
LeftoverSegments(rows, &leftovers, 0, rows.size());
for (int i = 0; i < leftovers.size(); i++) {
for (int j = leftovers[i].begin; j < leftovers[i].end; j++) {
rows[j].SetUnknown();
}
}
DebugDump(debug_level > 1, "End of Pass 4", theory, rows);
// Convert all of the unique hypothesis runs to PARAs.
ConvertHypothesizedModelRunsToParagraphs(debug_level, rows, row_owners,
&theory);
DebugDump(debug_level > 0, "Final Paragraph Segmentation", theory, rows);
// Finally, clean up any dangling NULL row paragraph parents.
CanonicalizeDetectionResults(row_owners, paragraphs);
}
// ============ Code interfacing with the rest of Tesseract ==================
void InitializeTextAndBoxesPreRecognition(const MutableIterator &it,
RowInfo *info) {
// Set up text, lword_text, and rword_text (mostly for debug printing).
STRING fake_text;
PageIterator pit(static_cast<const PageIterator&>(it));
bool first_word = true;
if (!pit.Empty(RIL_WORD)) {
do {
fake_text += "x";
if (first_word) info->lword_text += "x";
info->rword_text += "x";
if (pit.IsAtFinalElement(RIL_WORD, RIL_SYMBOL) &&
!pit.IsAtFinalElement(RIL_TEXTLINE, RIL_SYMBOL)) {
fake_text += " ";
info->rword_text = "";
first_word = false;
}
} while (!pit.IsAtFinalElement(RIL_TEXTLINE, RIL_SYMBOL) &&
pit.Next(RIL_SYMBOL));
}
if (fake_text.size() == 0) return;
int lspaces = info->pix_ldistance / info->average_interword_space;
for (int i = 0; i < lspaces; i++) {
info->text += ' ';
}
info->text += fake_text;
// Set up lword_box, rword_box, and num_words.
PAGE_RES_IT page_res_it = *it.PageResIt();
WERD_RES *word_res = page_res_it.restart_row();
ROW_RES *this_row = page_res_it.row();
WERD_RES *lword = NULL;
WERD_RES *rword = NULL;
info->num_words = 0;
do {
if (word_res) {
if (!lword) lword = word_res;
if (rword != word_res) info->num_words++;
rword = word_res;
}
word_res = page_res_it.forward();
} while (page_res_it.row() == this_row);
info->lword_box = lword->word->bounding_box();
info->rword_box = rword->word->bounding_box();
}
// Given a Tesseract Iterator pointing to a text line, fill in the paragraph
// detector RowInfo with all relevant information from the row.
void InitializeRowInfo(bool after_recognition,
const MutableIterator &it,
RowInfo *info) {
if (it.PageResIt()->row() != NULL) {
ROW *row = it.PageResIt()->row()->row;
info->pix_ldistance = row->lmargin();
info->pix_rdistance = row->rmargin();
info->average_interword_space =
row->space() > 0 ? row->space() : MAX(row->x_height(), 1);
info->pix_xheight = row->x_height();
info->has_leaders = false;
info->has_drop_cap = row->has_drop_cap();
info->ltr = true; // set below depending on word scripts
} else {
info->pix_ldistance = info->pix_rdistance = 0;
info->average_interword_space = 1;
info->pix_xheight = 1.0;
info->has_leaders = false;
info->has_drop_cap = false;
info->ltr = true;
}
info->num_words = 0;
info->lword_indicates_list_item = false;
info->lword_likely_starts_idea = false;
info->lword_likely_ends_idea = false;
info->rword_indicates_list_item = false;
info->rword_likely_starts_idea = false;
info->rword_likely_ends_idea = false;
info->has_leaders = false;
info->ltr = 1;
if (!after_recognition) {
InitializeTextAndBoxesPreRecognition(it, info);
return;
}
info->text = "";
char *text = it.GetUTF8Text(RIL_TEXTLINE);
int trailing_ws_idx = strlen(text); // strip trailing space
while (trailing_ws_idx > 0 &&
// isspace() only takes ASCII
((text[trailing_ws_idx - 1] & 0x80) == 0) &&
isspace(text[trailing_ws_idx - 1]))
trailing_ws_idx--;
if (trailing_ws_idx > 0) {
int lspaces = info->pix_ldistance / info->average_interword_space;
for (int i = 0; i < lspaces; i++)
info->text += ' ';
for (int i = 0; i < trailing_ws_idx; i++)
info->text += text[i];
}
delete []text;
if (info->text.size() == 0) {
return;
}
PAGE_RES_IT page_res_it = *it.PageResIt();
GenericVector<WERD_RES *> werds;
WERD_RES *word_res = page_res_it.restart_row();
ROW_RES *this_row = page_res_it.row();
int num_leaders = 0;
int ltr = 0;
int rtl = 0;
do {
if (word_res && word_res->best_choice->unichar_string().length() > 0) {
werds.push_back(word_res);
ltr += word_res->AnyLtrCharsInWord() ? 1 : 0;
rtl += word_res->AnyRtlCharsInWord() ? 1 : 0;
if (word_res->word->flag(W_REP_CHAR)) num_leaders++;
}
word_res = page_res_it.forward();
} while (page_res_it.row() == this_row);
info->ltr = ltr >= rtl;
info->has_leaders = num_leaders > 3;
info->num_words = werds.size();
if (werds.size() > 0) {
WERD_RES *lword = werds[0], *rword = werds[werds.size() - 1];
info->lword_text = lword->best_choice->unichar_string().string();
info->rword_text = rword->best_choice->unichar_string().string();
info->lword_box = lword->word->bounding_box();
info->rword_box = rword->word->bounding_box();
LeftWordAttributes(lword->uch_set, lword->best_choice,
info->lword_text,
&info->lword_indicates_list_item,
&info->lword_likely_starts_idea,
&info->lword_likely_ends_idea);
RightWordAttributes(rword->uch_set, rword->best_choice,
info->rword_text,
&info->rword_indicates_list_item,
&info->rword_likely_starts_idea,
&info->rword_likely_ends_idea);
}
}
// This is called after rows have been identified and words are recognized.
// Much of this could be implemented before word recognition, but text helps
// to identify bulleted lists and gives good signals for sentence boundaries.
void DetectParagraphs(int debug_level,
bool after_text_recognition,
const MutableIterator *block_start,
GenericVector<ParagraphModel *> *models) {
// Clear out any preconceived notions.
if (block_start->Empty(RIL_TEXTLINE)) {
return;
}
BLOCK *block = block_start->PageResIt()->block()->block;
block->para_list()->clear();
bool is_image_block = block->poly_block() && !block->poly_block()->IsText();
// Convert the Tesseract structures to RowInfos
// for the paragraph detection algorithm.
MutableIterator row(*block_start);
if (row.Empty(RIL_TEXTLINE))
return; // end of input already.
GenericVector<RowInfo> row_infos;
do {
if (!row.PageResIt()->row())
continue; // empty row.
row.PageResIt()->row()->row->set_para(NULL);
row_infos.push_back(RowInfo());
RowInfo &ri = row_infos.back();
InitializeRowInfo(after_text_recognition, row, &ri);
} while (!row.IsAtFinalElement(RIL_BLOCK, RIL_TEXTLINE) &&
row.Next(RIL_TEXTLINE));
// If we're called before text recognition, we might not have
// tight block bounding boxes, so trim by the minimum on each side.
if (row_infos.size() > 0) {
int min_lmargin = row_infos[0].pix_ldistance;
int min_rmargin = row_infos[0].pix_rdistance;
for (int i = 1; i < row_infos.size(); i++) {
if (row_infos[i].pix_ldistance < min_lmargin)
min_lmargin = row_infos[i].pix_ldistance;
if (row_infos[i].pix_rdistance < min_rmargin)
min_rmargin = row_infos[i].pix_rdistance;
}
if (min_lmargin > 0 || min_rmargin > 0) {
for (int i = 0; i < row_infos.size(); i++) {
row_infos[i].pix_ldistance -= min_lmargin;
row_infos[i].pix_rdistance -= min_rmargin;
}
}
}
// Run the paragraph detection algorithm.
GenericVector<PARA *> row_owners;
GenericVector<PARA *> the_paragraphs;
if (!is_image_block) {
DetectParagraphs(debug_level, &row_infos, &row_owners, block->para_list(),
models);
} else {
row_owners.init_to_size(row_infos.size(), NULL);
CanonicalizeDetectionResults(&row_owners, block->para_list());
}
// Now stitch in the row_owners into the rows.
row = *block_start;
for (int i = 0; i < row_owners.size(); i++) {
while (!row.PageResIt()->row())
row.Next(RIL_TEXTLINE);
row.PageResIt()->row()->row->set_para(row_owners[i]);
row.Next(RIL_TEXTLINE);
}
}
} // namespace
| 1080228-arabicocr11 | ccmain/paragraphs.cpp | C++ | asf20 | 94,830 |
/**********************************************************************
* File: reject.h (Formerly reject.h)
* Description: Rejection functions used in tessedit
* Author: Phil Cheatle
* Created: Wed Sep 23 16:50:21 BST 1992
*
* (C) Copyright 1992, Hewlett-Packard Ltd.
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
** http://www.apache.org/licenses/LICENSE-2.0
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*
**********************************************************************/
#ifndef REJECT_H
#define REJECT_H
#include "params.h"
#include "pageres.h"
void reject_blanks(WERD_RES *word);
void reject_poor_matches(WERD_RES *word);
float compute_reject_threshold(WERD_CHOICE* word);
BOOL8 word_contains_non_1_digit(const char *word, const char *word_lengths);
void dont_allow_1Il(WERD_RES *word);
void flip_hyphens(WERD_RES *word);
void flip_0O(WERD_RES *word);
BOOL8 non_0_digit(const char* str, int length);
#endif
| 1080228-arabicocr11 | ccmain/reject.h | C | asf20 | 1,394 |
/******************************************************************
* File: docqual.h (Formerly docqual.h)
* Description: Document Quality Metrics
* Author: Phil Cheatle
* Created: Mon May 9 11:27:28 BST 1994
*
* (C) Copyright 1994, Hewlett-Packard Ltd.
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
** http://www.apache.org/licenses/LICENSE-2.0
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*
**********************************************************************/
#ifndef DOCQUAL_H
#define DOCQUAL_H
#include "control.h"
enum GARBAGE_LEVEL
{
G_NEVER_CRUNCH,
G_OK,
G_DODGY,
G_TERRIBLE
};
inT16 word_blob_quality(WERD_RES *word, ROW *row);
void reject_whole_page(PAGE_RES_IT &page_res_it);
#endif
| 1080228-arabicocr11 | ccmain/docqual.h | C | asf20 | 1,173 |
/******************************************************************
* File: docqual.cpp (Formerly docqual.c)
* Description: Document Quality Metrics
* Author: Phil Cheatle
* Created: Mon May 9 11:27:28 BST 1994
*
* (C) Copyright 1994, Hewlett-Packard Ltd.
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
** http://www.apache.org/licenses/LICENSE-2.0
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*
**********************************************************************/
#ifdef _MSC_VER
#pragma warning(disable:4244) // Conversion warnings
#endif
#include <ctype.h>
#include "docqual.h"
#include "reject.h"
#include "tesscallback.h"
#include "tessvars.h"
#include "globals.h"
#include "tesseractclass.h"
namespace tesseract{
// A little class to provide the callbacks as we have no pre-bound args.
struct DocQualCallbacks {
explicit DocQualCallbacks(WERD_RES* word0)
: word(word0), match_count(0), accepted_match_count(0) {}
void CountMatchingBlobs(int index) {
++match_count;
}
void CountAcceptedBlobs(int index) {
if (word->reject_map[index].accepted())
++accepted_match_count;
++match_count;
}
void AcceptIfGoodQuality(int index) {
if (word->reject_map[index].accept_if_good_quality())
word->reject_map[index].setrej_quality_accept();
}
WERD_RES* word;
inT16 match_count;
inT16 accepted_match_count;
};
/*************************************************************************
* word_blob_quality()
* How many blobs in the box_word are identical to those of the inword?
* ASSUME blobs in both initial word and box_word are in ascending order of
* left hand blob edge.
*************************************************************************/
inT16 Tesseract::word_blob_quality(WERD_RES *word, ROW *row) {
if (word->bln_boxes == NULL ||
word->rebuild_word == NULL || word->rebuild_word->blobs.empty())
return 0;
DocQualCallbacks cb(word);
word->bln_boxes->ProcessMatchedBlobs(
*word->rebuild_word,
NewPermanentTessCallback(&cb, &DocQualCallbacks::CountMatchingBlobs));
return cb.match_count;
}
inT16 Tesseract::word_outline_errs(WERD_RES *word) {
inT16 i = 0;
inT16 err_count = 0;
if (word->rebuild_word != NULL) {
for (int b = 0; b < word->rebuild_word->NumBlobs(); ++b) {
TBLOB* blob = word->rebuild_word->blobs[b];
err_count += count_outline_errs(word->best_choice->unichar_string()[i],
blob->NumOutlines());
i++;
}
}
return err_count;
}
/*************************************************************************
* word_char_quality()
* Combination of blob quality and outline quality - how many good chars are
* there? - I.e chars which pass the blob AND outline tests.
*************************************************************************/
void Tesseract::word_char_quality(WERD_RES *word,
ROW *row,
inT16 *match_count,
inT16 *accepted_match_count) {
if (word->bln_boxes == NULL ||
word->rebuild_word == NULL || word->rebuild_word->blobs.empty())
return;
DocQualCallbacks cb(word);
word->bln_boxes->ProcessMatchedBlobs(
*word->rebuild_word,
NewPermanentTessCallback(&cb, &DocQualCallbacks::CountAcceptedBlobs));
*match_count = cb.match_count;
*accepted_match_count = cb.accepted_match_count;
}
/*************************************************************************
* unrej_good_chs()
* Unreject POTENTIAL rejects if the blob passes the blob and outline checks
*************************************************************************/
void Tesseract::unrej_good_chs(WERD_RES *word, ROW *row) {
if (word->bln_boxes == NULL ||
word->rebuild_word == NULL || word->rebuild_word->blobs.empty())
return;
DocQualCallbacks cb(word);
word->bln_boxes->ProcessMatchedBlobs(
*word->rebuild_word,
NewPermanentTessCallback(&cb, &DocQualCallbacks::AcceptIfGoodQuality));
}
inT16 Tesseract::count_outline_errs(char c, inT16 outline_count) {
int expected_outline_count;
if (STRING (outlines_odd).contains (c))
return 0; //Dont use this char
else if (STRING (outlines_2).contains (c))
expected_outline_count = 2;
else
expected_outline_count = 1;
return abs (outline_count - expected_outline_count);
}
void Tesseract::quality_based_rejection(PAGE_RES_IT &page_res_it,
BOOL8 good_quality_doc) {
if ((tessedit_good_quality_unrej && good_quality_doc))
unrej_good_quality_words(page_res_it);
doc_and_block_rejection(page_res_it, good_quality_doc);
if (unlv_tilde_crunching) {
tilde_crunch(page_res_it);
tilde_delete(page_res_it);
}
}
/*************************************************************************
* unrej_good_quality_words()
* Accept potential rejects in words which pass the following checks:
* - Contains a potential reject
* - Word looks like a sensible alpha word.
* - Word segmentation is the same as the original image
* - All characters have the expected number of outlines
* NOTE - the rejection counts are recalculated after unrejection
* - CANT do it in a single pass without a bit of fiddling
* - keep it simple but inefficient
*************************************************************************/
void Tesseract::unrej_good_quality_words( //unreject potential
PAGE_RES_IT &page_res_it) {
WERD_RES *word;
ROW_RES *current_row;
BLOCK_RES *current_block;
int i;
page_res_it.restart_page ();
while (page_res_it.word () != NULL) {
check_debug_pt (page_res_it.word (), 100);
if (bland_unrej) {
word = page_res_it.word ();
for (i = 0; i < word->reject_map.length (); i++) {
if (word->reject_map[i].accept_if_good_quality ())
word->reject_map[i].setrej_quality_accept ();
}
page_res_it.forward ();
}
else if ((page_res_it.row ()->char_count > 0) &&
((page_res_it.row ()->rej_count /
(float) page_res_it.row ()->char_count) <=
quality_rowrej_pc)) {
word = page_res_it.word ();
if (word->reject_map.quality_recoverable_rejects() &&
(tessedit_unrej_any_wd ||
acceptable_word_string(*word->uch_set,
word->best_choice->unichar_string().string(),
word->best_choice->unichar_lengths().string())
!= AC_UNACCEPTABLE)) {
unrej_good_chs(word, page_res_it.row ()->row);
}
page_res_it.forward ();
}
else {
/* Skip to end of dodgy row */
current_row = page_res_it.row ();
while ((page_res_it.word () != NULL) &&
(page_res_it.row () == current_row))
page_res_it.forward ();
}
check_debug_pt (page_res_it.word (), 110);
}
page_res_it.restart_page ();
page_res_it.page_res->char_count = 0;
page_res_it.page_res->rej_count = 0;
current_block = NULL;
current_row = NULL;
while (page_res_it.word () != NULL) {
if (current_block != page_res_it.block ()) {
current_block = page_res_it.block ();
current_block->char_count = 0;
current_block->rej_count = 0;
}
if (current_row != page_res_it.row ()) {
current_row = page_res_it.row ();
current_row->char_count = 0;
current_row->rej_count = 0;
current_row->whole_word_rej_count = 0;
}
page_res_it.rej_stat_word ();
page_res_it.forward ();
}
}
/*************************************************************************
* doc_and_block_rejection()
*
* If the page has too many rejects - reject all of it.
* If any block has too many rejects - reject all words in the block
*************************************************************************/
void Tesseract::doc_and_block_rejection( //reject big chunks
PAGE_RES_IT &page_res_it,
BOOL8 good_quality_doc) {
inT16 block_no = 0;
inT16 row_no = 0;
BLOCK_RES *current_block;
ROW_RES *current_row;
BOOL8 rej_word;
BOOL8 prev_word_rejected;
inT16 char_quality = 0;
inT16 accepted_char_quality;
if (page_res_it.page_res->rej_count * 100.0 /
page_res_it.page_res->char_count > tessedit_reject_doc_percent) {
reject_whole_page(page_res_it);
if (tessedit_debug_doc_rejection) {
tprintf("REJECT ALL #chars: %d #Rejects: %d; \n",
page_res_it.page_res->char_count,
page_res_it.page_res->rej_count);
}
} else {
if (tessedit_debug_doc_rejection) {
tprintf("NO PAGE REJECTION #chars: %d # Rejects: %d; \n",
page_res_it.page_res->char_count,
page_res_it.page_res->rej_count);
}
/* Walk blocks testing for block rejection */
page_res_it.restart_page();
WERD_RES* word;
while ((word = page_res_it.word()) != NULL) {
current_block = page_res_it.block();
block_no = current_block->block->index();
if (current_block->char_count > 0 &&
(current_block->rej_count * 100.0 / current_block->char_count) >
tessedit_reject_block_percent) {
if (tessedit_debug_block_rejection) {
tprintf("REJECTING BLOCK %d #chars: %d; #Rejects: %d\n",
block_no, current_block->char_count,
current_block->rej_count);
}
prev_word_rejected = FALSE;
while ((word = page_res_it.word()) != NULL &&
(page_res_it.block() == current_block)) {
if (tessedit_preserve_blk_rej_perfect_wds) {
rej_word = word->reject_map.reject_count() > 0 ||
word->reject_map.length () < tessedit_preserve_min_wd_len;
if (rej_word && tessedit_dont_blkrej_good_wds &&
word->reject_map.length() >= tessedit_preserve_min_wd_len &&
acceptable_word_string(
*word->uch_set,
word->best_choice->unichar_string().string(),
word->best_choice->unichar_lengths().string()) !=
AC_UNACCEPTABLE) {
word_char_quality(word, page_res_it.row()->row,
&char_quality,
&accepted_char_quality);
rej_word = char_quality != word->reject_map.length();
}
} else {
rej_word = TRUE;
}
if (rej_word) {
/*
Reject spacing if both current and prev words are rejected.
NOTE - this is NOT restricted to FUZZY spaces. - When tried this
generated more space errors.
*/
if (tessedit_use_reject_spaces &&
prev_word_rejected &&
page_res_it.prev_row() == page_res_it.row() &&
word->word->space() == 1)
word->reject_spaces = TRUE;
word->reject_map.rej_word_block_rej();
}
prev_word_rejected = rej_word;
page_res_it.forward();
}
} else {
if (tessedit_debug_block_rejection) {
tprintf("NOT REJECTING BLOCK %d #chars: %d # Rejects: %d; \n",
block_no, page_res_it.block()->char_count,
page_res_it.block()->rej_count);
}
/* Walk rows in block testing for row rejection */
row_no = 0;
while (page_res_it.word() != NULL &&
page_res_it.block() == current_block) {
current_row = page_res_it.row();
row_no++;
/* Reject whole row if:
fraction of chars on row which are rejected exceed a limit AND
fraction rejects which occur in WHOLE WERD rejects is LESS THAN a
limit
*/
if (current_row->char_count > 0 &&
(current_row->rej_count * 100.0 / current_row->char_count) >
tessedit_reject_row_percent &&
(current_row->whole_word_rej_count * 100.0 /
current_row->rej_count) <
tessedit_whole_wd_rej_row_percent) {
if (tessedit_debug_block_rejection) {
tprintf("REJECTING ROW %d #chars: %d; #Rejects: %d\n",
row_no, current_row->char_count,
current_row->rej_count);
}
prev_word_rejected = FALSE;
while ((word = page_res_it.word()) != NULL &&
page_res_it.row () == current_row) {
/* Preserve words on good docs unless they are mostly rejected*/
if (!tessedit_row_rej_good_docs && good_quality_doc) {
rej_word = word->reject_map.reject_count() /
static_cast<float>(word->reject_map.length()) >
tessedit_good_doc_still_rowrej_wd;
} else if (tessedit_preserve_row_rej_perfect_wds) {
/* Preserve perfect words anyway */
rej_word = word->reject_map.reject_count() > 0 ||
word->reject_map.length () < tessedit_preserve_min_wd_len;
if (rej_word && tessedit_dont_rowrej_good_wds &&
word->reject_map.length() >= tessedit_preserve_min_wd_len &&
acceptable_word_string(*word->uch_set,
word->best_choice->unichar_string().string(),
word->best_choice->unichar_lengths().string()) !=
AC_UNACCEPTABLE) {
word_char_quality(word, page_res_it.row()->row,
&char_quality,
&accepted_char_quality);
rej_word = char_quality != word->reject_map.length();
}
} else {
rej_word = TRUE;
}
if (rej_word) {
/*
Reject spacing if both current and prev words are rejected.
NOTE - this is NOT restricted to FUZZY spaces. - When tried
this generated more space errors.
*/
if (tessedit_use_reject_spaces &&
prev_word_rejected &&
page_res_it.prev_row() == page_res_it.row() &&
word->word->space () == 1)
word->reject_spaces = TRUE;
word->reject_map.rej_word_row_rej();
}
prev_word_rejected = rej_word;
page_res_it.forward();
}
} else {
if (tessedit_debug_block_rejection) {
tprintf("NOT REJECTING ROW %d #chars: %d # Rejects: %d; \n",
row_no, current_row->char_count, current_row->rej_count);
}
while (page_res_it.word() != NULL &&
page_res_it.row() == current_row)
page_res_it.forward();
}
}
}
}
}
}
} // namespace tesseract
/*************************************************************************
* reject_whole_page()
* Dont believe any of it - set the reject map to 00..00 in all words
*
*************************************************************************/
void reject_whole_page(PAGE_RES_IT &page_res_it) {
page_res_it.restart_page ();
while (page_res_it.word () != NULL) {
page_res_it.word ()->reject_map.rej_word_doc_rej ();
page_res_it.forward ();
}
//whole page is rejected
page_res_it.page_res->rejected = TRUE;
}
namespace tesseract {
void Tesseract::tilde_crunch(PAGE_RES_IT &page_res_it) {
WERD_RES *word;
GARBAGE_LEVEL garbage_level;
PAGE_RES_IT copy_it;
BOOL8 prev_potential_marked = FALSE;
BOOL8 found_terrible_word = FALSE;
BOOL8 ok_dict_word;
page_res_it.restart_page();
while (page_res_it.word() != NULL) {
POLY_BLOCK* pb = page_res_it.block()->block->poly_block();
if (pb != NULL && !pb->IsText()) {
page_res_it.forward();
continue;
}
word = page_res_it.word();
if (crunch_early_convert_bad_unlv_chs)
convert_bad_unlv_chs(word);
if (crunch_early_merge_tess_fails)
word->merge_tess_fails();
if (word->reject_map.accept_count () != 0) {
found_terrible_word = FALSE;
//Forget earlier potential crunches
prev_potential_marked = FALSE;
}
else {
ok_dict_word = safe_dict_word(word);
garbage_level = garbage_word (word, ok_dict_word);
if ((garbage_level != G_NEVER_CRUNCH) &&
(terrible_word_crunch (word, garbage_level))) {
if (crunch_debug > 0) {
tprintf ("T CRUNCHING: \"%s\"\n",
word->best_choice->unichar_string().string());
}
word->unlv_crunch_mode = CR_KEEP_SPACE;
if (prev_potential_marked) {
while (copy_it.word () != word) {
if (crunch_debug > 0) {
tprintf ("P1 CRUNCHING: \"%s\"\n",
copy_it.word()->best_choice->unichar_string().string());
}
copy_it.word ()->unlv_crunch_mode = CR_KEEP_SPACE;
copy_it.forward ();
}
prev_potential_marked = FALSE;
}
found_terrible_word = TRUE;
}
else if ((garbage_level != G_NEVER_CRUNCH) &&
(potential_word_crunch (word,
garbage_level, ok_dict_word))) {
if (found_terrible_word) {
if (crunch_debug > 0) {
tprintf ("P2 CRUNCHING: \"%s\"\n",
word->best_choice->unichar_string().string());
}
word->unlv_crunch_mode = CR_KEEP_SPACE;
}
else if (!prev_potential_marked) {
copy_it = page_res_it;
prev_potential_marked = TRUE;
if (crunch_debug > 1) {
tprintf ("P3 CRUNCHING: \"%s\"\n",
word->best_choice->unichar_string().string());
}
}
}
else {
found_terrible_word = FALSE;
//Forget earlier potential crunches
prev_potential_marked = FALSE;
if (crunch_debug > 2) {
tprintf ("NO CRUNCH: \"%s\"\n",
word->best_choice->unichar_string().string());
}
}
}
page_res_it.forward ();
}
}
BOOL8 Tesseract::terrible_word_crunch(WERD_RES *word,
GARBAGE_LEVEL garbage_level) {
float rating_per_ch;
int adjusted_len;
int crunch_mode = 0;
if ((word->best_choice->unichar_string().length () == 0) ||
(strspn (word->best_choice->unichar_string().string(), " ") ==
word->best_choice->unichar_string().length ()))
crunch_mode = 1;
else {
adjusted_len = word->reject_map.length ();
if (adjusted_len > crunch_rating_max)
adjusted_len = crunch_rating_max;
rating_per_ch = word->best_choice->rating () / adjusted_len;
if (rating_per_ch > crunch_terrible_rating)
crunch_mode = 2;
else if (crunch_terrible_garbage && (garbage_level == G_TERRIBLE))
crunch_mode = 3;
else if ((word->best_choice->certainty () < crunch_poor_garbage_cert) &&
(garbage_level != G_OK))
crunch_mode = 4;
else if ((rating_per_ch > crunch_poor_garbage_rate) &&
(garbage_level != G_OK))
crunch_mode = 5;
}
if (crunch_mode > 0) {
if (crunch_debug > 2) {
tprintf ("Terrible_word_crunch (%d) on \"%s\"\n",
crunch_mode, word->best_choice->unichar_string().string());
}
return TRUE;
}
else
return FALSE;
}
BOOL8 Tesseract::potential_word_crunch(WERD_RES *word,
GARBAGE_LEVEL garbage_level,
BOOL8 ok_dict_word) {
float rating_per_ch;
int adjusted_len;
const char *str = word->best_choice->unichar_string().string();
const char *lengths = word->best_choice->unichar_lengths().string();
BOOL8 word_crunchable;
int poor_indicator_count = 0;
word_crunchable = !crunch_leave_accept_strings ||
word->reject_map.length() < 3 ||
(acceptable_word_string(*word->uch_set,
str, lengths) == AC_UNACCEPTABLE &&
!ok_dict_word);
adjusted_len = word->reject_map.length();
if (adjusted_len > 10)
adjusted_len = 10;
rating_per_ch = word->best_choice->rating() / adjusted_len;
if (rating_per_ch > crunch_pot_poor_rate) {
if (crunch_debug > 2) {
tprintf("Potential poor rating on \"%s\"\n",
word->best_choice->unichar_string().string());
}
poor_indicator_count++;
}
if (word_crunchable &&
word->best_choice->certainty() < crunch_pot_poor_cert) {
if (crunch_debug > 2) {
tprintf("Potential poor cert on \"%s\"\n",
word->best_choice->unichar_string().string());
}
poor_indicator_count++;
}
if (garbage_level != G_OK) {
if (crunch_debug > 2) {
tprintf("Potential garbage on \"%s\"\n",
word->best_choice->unichar_string().string());
}
poor_indicator_count++;
}
return poor_indicator_count >= crunch_pot_indicators;
}
void Tesseract::tilde_delete(PAGE_RES_IT &page_res_it) {
WERD_RES *word;
PAGE_RES_IT copy_it;
BOOL8 deleting_from_bol = FALSE;
BOOL8 marked_delete_point = FALSE;
inT16 debug_delete_mode;
CRUNCH_MODE delete_mode;
inT16 x_debug_delete_mode;
CRUNCH_MODE x_delete_mode;
page_res_it.restart_page();
while (page_res_it.word() != NULL) {
word = page_res_it.word();
delete_mode = word_deletable (word, debug_delete_mode);
if (delete_mode != CR_NONE) {
if (word->word->flag (W_BOL) || deleting_from_bol) {
if (crunch_debug > 0) {
tprintf ("BOL CRUNCH DELETING(%d): \"%s\"\n",
debug_delete_mode,
word->best_choice->unichar_string().string());
}
word->unlv_crunch_mode = delete_mode;
deleting_from_bol = TRUE;
} else if (word->word->flag(W_EOL)) {
if (marked_delete_point) {
while (copy_it.word() != word) {
x_delete_mode = word_deletable (copy_it.word (),
x_debug_delete_mode);
if (crunch_debug > 0) {
tprintf ("EOL CRUNCH DELETING(%d): \"%s\"\n",
x_debug_delete_mode,
copy_it.word()->best_choice->unichar_string().string());
}
copy_it.word ()->unlv_crunch_mode = x_delete_mode;
copy_it.forward ();
}
}
if (crunch_debug > 0) {
tprintf ("EOL CRUNCH DELETING(%d): \"%s\"\n",
debug_delete_mode,
word->best_choice->unichar_string().string());
}
word->unlv_crunch_mode = delete_mode;
deleting_from_bol = FALSE;
marked_delete_point = FALSE;
}
else {
if (!marked_delete_point) {
copy_it = page_res_it;
marked_delete_point = TRUE;
}
}
}
else {
deleting_from_bol = FALSE;
//Forget earlier potential crunches
marked_delete_point = FALSE;
}
/*
The following step has been left till now as the tess fails are used to
determine if the word is deletable.
*/
if (!crunch_early_merge_tess_fails)
word->merge_tess_fails();
page_res_it.forward ();
}
}
void Tesseract::convert_bad_unlv_chs(WERD_RES *word_res) {
int i;
UNICHAR_ID unichar_dash = word_res->uch_set->unichar_to_id("-");
UNICHAR_ID unichar_space = word_res->uch_set->unichar_to_id(" ");
UNICHAR_ID unichar_tilde = word_res->uch_set->unichar_to_id("~");
UNICHAR_ID unichar_pow = word_res->uch_set->unichar_to_id("^");
for (i = 0; i < word_res->reject_map.length(); ++i) {
if (word_res->best_choice->unichar_id(i) == unichar_tilde) {
word_res->best_choice->set_unichar_id(unichar_dash, i);
if (word_res->reject_map[i].accepted ())
word_res->reject_map[i].setrej_unlv_rej ();
}
if (word_res->best_choice->unichar_id(i) == unichar_pow) {
word_res->best_choice->set_unichar_id(unichar_space, i);
if (word_res->reject_map[i].accepted ())
word_res->reject_map[i].setrej_unlv_rej ();
}
}
}
GARBAGE_LEVEL Tesseract::garbage_word(WERD_RES *word, BOOL8 ok_dict_word) {
enum STATES
{
JUNK,
FIRST_UPPER,
FIRST_LOWER,
FIRST_NUM,
SUBSEQUENT_UPPER,
SUBSEQUENT_LOWER,
SUBSEQUENT_NUM
};
const char *str = word->best_choice->unichar_string().string();
const char *lengths = word->best_choice->unichar_lengths().string();
STATES state = JUNK;
int len = 0;
int isolated_digits = 0;
int isolated_alphas = 0;
int bad_char_count = 0;
int tess_rejs = 0;
int dodgy_chars = 0;
int ok_chars;
UNICHAR_ID last_char = -1;
int alpha_repetition_count = 0;
int longest_alpha_repetition_count = 0;
int longest_lower_run_len = 0;
int lower_string_count = 0;
int longest_upper_run_len = 0;
int upper_string_count = 0;
int total_alpha_count = 0;
int total_digit_count = 0;
for (; *str != '\0'; str += *(lengths++)) {
len++;
if (word->uch_set->get_isupper (str, *lengths)) {
total_alpha_count++;
switch (state) {
case SUBSEQUENT_UPPER:
case FIRST_UPPER:
state = SUBSEQUENT_UPPER;
upper_string_count++;
if (longest_upper_run_len < upper_string_count)
longest_upper_run_len = upper_string_count;
if (last_char == word->uch_set->unichar_to_id(str, *lengths)) {
alpha_repetition_count++;
if (longest_alpha_repetition_count < alpha_repetition_count) {
longest_alpha_repetition_count = alpha_repetition_count;
}
}
else {
last_char = word->uch_set->unichar_to_id(str, *lengths);
alpha_repetition_count = 1;
}
break;
case FIRST_NUM:
isolated_digits++;
default:
state = FIRST_UPPER;
last_char = word->uch_set->unichar_to_id(str, *lengths);
alpha_repetition_count = 1;
upper_string_count = 1;
break;
}
}
else if (word->uch_set->get_islower (str, *lengths)) {
total_alpha_count++;
switch (state) {
case SUBSEQUENT_LOWER:
case FIRST_LOWER:
state = SUBSEQUENT_LOWER;
lower_string_count++;
if (longest_lower_run_len < lower_string_count)
longest_lower_run_len = lower_string_count;
if (last_char == word->uch_set->unichar_to_id(str, *lengths)) {
alpha_repetition_count++;
if (longest_alpha_repetition_count < alpha_repetition_count) {
longest_alpha_repetition_count = alpha_repetition_count;
}
}
else {
last_char = word->uch_set->unichar_to_id(str, *lengths);
alpha_repetition_count = 1;
}
break;
case FIRST_NUM:
isolated_digits++;
default:
state = FIRST_LOWER;
last_char = word->uch_set->unichar_to_id(str, *lengths);
alpha_repetition_count = 1;
lower_string_count = 1;
break;
}
}
else if (word->uch_set->get_isdigit (str, *lengths)) {
total_digit_count++;
switch (state) {
case FIRST_NUM:
state = SUBSEQUENT_NUM;
case SUBSEQUENT_NUM:
break;
case FIRST_UPPER:
case FIRST_LOWER:
isolated_alphas++;
default:
state = FIRST_NUM;
break;
}
}
else {
if (*lengths == 1 && *str == ' ')
tess_rejs++;
else
bad_char_count++;
switch (state) {
case FIRST_NUM:
isolated_digits++;
break;
case FIRST_UPPER:
case FIRST_LOWER:
isolated_alphas++;
default:
break;
}
state = JUNK;
}
}
switch (state) {
case FIRST_NUM:
isolated_digits++;
break;
case FIRST_UPPER:
case FIRST_LOWER:
isolated_alphas++;
default:
break;
}
if (crunch_include_numerals) {
total_alpha_count += total_digit_count - isolated_digits;
}
if (crunch_leave_ok_strings && len >= 4 &&
2 * (total_alpha_count - isolated_alphas) > len &&
longest_alpha_repetition_count < crunch_long_repetitions) {
if ((crunch_accept_ok &&
acceptable_word_string(*word->uch_set, str, lengths) !=
AC_UNACCEPTABLE) ||
longest_lower_run_len > crunch_leave_lc_strings ||
longest_upper_run_len > crunch_leave_uc_strings)
return G_NEVER_CRUNCH;
}
if (word->reject_map.length() > 1 &&
strpbrk(str, " ") == NULL &&
(word->best_choice->permuter() == SYSTEM_DAWG_PERM ||
word->best_choice->permuter() == FREQ_DAWG_PERM ||
word->best_choice->permuter() == USER_DAWG_PERM ||
word->best_choice->permuter() == NUMBER_PERM ||
acceptable_word_string(*word->uch_set, str, lengths) !=
AC_UNACCEPTABLE || ok_dict_word))
return G_OK;
ok_chars = len - bad_char_count - isolated_digits -
isolated_alphas - tess_rejs;
if (crunch_debug > 3) {
tprintf("garbage_word: \"%s\"\n",
word->best_choice->unichar_string().string());
tprintf("LEN: %d bad: %d iso_N: %d iso_A: %d rej: %d\n",
len,
bad_char_count, isolated_digits, isolated_alphas, tess_rejs);
}
if (bad_char_count == 0 &&
tess_rejs == 0 &&
(len > isolated_digits + isolated_alphas || len <= 2))
return G_OK;
if (tess_rejs > ok_chars ||
(tess_rejs > 0 && (bad_char_count + tess_rejs) * 2 > len))
return G_TERRIBLE;
if (len > 4) {
dodgy_chars = 2 * tess_rejs + bad_char_count + isolated_digits +
isolated_alphas;
if (dodgy_chars > 5 || (dodgy_chars / (float) len) > 0.5)
return G_DODGY;
else
return G_OK;
} else {
dodgy_chars = 2 * tess_rejs + bad_char_count;
if ((len == 4 && dodgy_chars > 2) ||
(len == 3 && dodgy_chars > 2) || dodgy_chars >= len)
return G_DODGY;
else
return G_OK;
}
}
/*************************************************************************
* word_deletable()
* DELETE WERDS AT ENDS OF ROWS IF
* Word is crunched &&
* ( string length = 0 OR
* > 50% of chars are "|" (before merging) OR
* certainty < -10 OR
* rating /char > 60 OR
* TOP of word is more than 0.5 xht BELOW baseline OR
* BOTTOM of word is more than 0.5 xht ABOVE xht OR
* length of word < 3xht OR
* height of word < 0.7 xht OR
* height of word > 3.0 xht OR
* >75% of the outline BBs have longest dimension < 0.5xht
*************************************************************************/
CRUNCH_MODE Tesseract::word_deletable(WERD_RES *word, inT16 &delete_mode) {
int word_len = word->reject_map.length ();
float rating_per_ch;
TBOX box; //BB of word
if (word->unlv_crunch_mode == CR_NONE) {
delete_mode = 0;
return CR_NONE;
}
if (word_len == 0) {
delete_mode = 1;
return CR_DELETE;
}
if (word->rebuild_word != NULL) {
// Cube leaves rebuild_word NULL.
box = word->rebuild_word->bounding_box();
if (box.height () < crunch_del_min_ht * kBlnXHeight) {
delete_mode = 4;
return CR_DELETE;
}
if (noise_outlines(word->rebuild_word)) {
delete_mode = 5;
return CR_DELETE;
}
}
if ((failure_count (word) * 1.5) > word_len) {
delete_mode = 2;
return CR_LOOSE_SPACE;
}
if (word->best_choice->certainty () < crunch_del_cert) {
delete_mode = 7;
return CR_LOOSE_SPACE;
}
rating_per_ch = word->best_choice->rating () / word_len;
if (rating_per_ch > crunch_del_rating) {
delete_mode = 8;
return CR_LOOSE_SPACE;
}
if (box.top () < kBlnBaselineOffset - crunch_del_low_word * kBlnXHeight) {
delete_mode = 9;
return CR_LOOSE_SPACE;
}
if (box.bottom () >
kBlnBaselineOffset + crunch_del_high_word * kBlnXHeight) {
delete_mode = 10;
return CR_LOOSE_SPACE;
}
if (box.height () > crunch_del_max_ht * kBlnXHeight) {
delete_mode = 11;
return CR_LOOSE_SPACE;
}
if (box.width () < crunch_del_min_width * kBlnXHeight) {
delete_mode = 3;
return CR_LOOSE_SPACE;
}
delete_mode = 0;
return CR_NONE;
}
inT16 Tesseract::failure_count(WERD_RES *word) {
const char *str = word->best_choice->unichar_string().string();
int tess_rejs = 0;
for (; *str != '\0'; str++) {
if (*str == ' ')
tess_rejs++;
}
return tess_rejs;
}
BOOL8 Tesseract::noise_outlines(TWERD *word) {
TBOX box; // BB of outline
inT16 outline_count = 0;
inT16 small_outline_count = 0;
inT16 max_dimension;
float small_limit = kBlnXHeight * crunch_small_outlines_size;
for (int b = 0; b < word->NumBlobs(); ++b) {
TBLOB* blob = word->blobs[b];
for (TESSLINE* ol = blob->outlines; ol != NULL; ol = ol->next) {
outline_count++;
box = ol->bounding_box();
if (box.height() > box.width())
max_dimension = box.height();
else
max_dimension = box.width();
if (max_dimension < small_limit)
small_outline_count++;
}
}
return small_outline_count >= outline_count;
}
} // namespace tesseract
| 1080228-arabicocr11 | ccmain/docqual.cpp | C++ | asf20 | 34,219 |
///////////////////////////////////////////////////////////////////////
// File: equationdetect.h
// Description: The equation detection class that inherits equationdetectbase.
// Author: Zongyi (Joe) Liu (joeliu@google.com)
// Created: Fri Aug 31 11:13:01 PST 2011
//
// (C) Copyright 2011, Google Inc.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
///////////////////////////////////////////////////////////////////////
#ifndef TESSERACT_CCMAIN_EQUATIONDETECT_H__
#define TESSERACT_CCMAIN_EQUATIONDETECT_H__
#include "blobbox.h"
#include "equationdetectbase.h"
#include "genericvector.h"
#include "unichar.h"
class BLOBNBOX;
class BLOB_CHOICE;
class BLOB_CHOICE_LIST;
class TO_BLOCK_LIST;
class TBOX;
class UNICHARSET;
namespace tesseract {
class Tesseract;
class ColPartition;
class ColPartitionGrid;
class ColPartitionSet;
class EquationDetect : public EquationDetectBase {
public:
EquationDetect(const char* equ_datapath,
const char* equ_language);
~EquationDetect();
enum IndentType {
NO_INDENT,
LEFT_INDENT,
RIGHT_INDENT,
BOTH_INDENT,
INDENT_TYPE_COUNT
};
// Reset the lang_tesseract_ pointer. This function should be called before we
// do any detector work.
void SetLangTesseract(Tesseract* lang_tesseract);
// Iterate over the blobs inside to_block, and set the blobs that we want to
// process to BSTT_NONE. (By default, they should be BSTT_SKIP). The function
// returns 0 upon success.
int LabelSpecialText(TO_BLOCK* to_block);
// Find possible equation partitions from part_grid. Should be called
// after the special_text_type of blobs are set.
// It returns 0 upon success.
int FindEquationParts(ColPartitionGrid* part_grid,
ColPartitionSet** best_columns);
// Reset the resolution of the processing image. TEST only function.
void SetResolution(const int resolution);
protected:
// Identify the special text type for one blob, and update its field. When
// height_th is set (> 0), we will label the blob as BSTT_NONE if its height
// is less than height_th.
void IdentifySpecialText(BLOBNBOX *blob, const int height_th);
// Estimate the type for one unichar.
BlobSpecialTextType EstimateTypeForUnichar(
const UNICHARSET& unicharset, const UNICHAR_ID id) const;
// Compute special text type for each blobs in part_grid_.
void IdentifySpecialText();
// Identify blobs that we want to skip during special blob type
// classification.
void IdentifyBlobsToSkip(ColPartition* part);
// The ColPartitions in part_grid_ maybe over-segmented, particularly in the
// block equation regions. So we like to identify these partitions and merge
// them before we do the searching.
void MergePartsByLocation();
// Staring from the seed center, we do radius search. And for partitions that
// have large overlaps with seed, we remove them from part_grid_ and add into
// parts_overlap. Note: this function may update the part_grid_, so if the
// caller is also running ColPartitionGridSearch, use the RepositionIterator
// to continue.
void SearchByOverlap(ColPartition* seed,
GenericVector<ColPartition*>* parts_overlap);
// Insert part back into part_grid_, after it absorbs some other parts.
void InsertPartAfterAbsorb(ColPartition* part);
// Identify the colparitions in part_grid_, label them as PT_EQUATION, and
// save them into cp_seeds_.
void IdentifySeedParts();
// Check the blobs count for a seed region candidate.
bool CheckSeedBlobsCount(ColPartition* part);
// Compute the foreground pixel density for a tbox area.
float ComputeForegroundDensity(const TBOX& tbox);
// Check if part from seed2 label: with low math density and left indented. We
// are using two checks:
// 1. If its left is aligned with any coordinates in indented_texts_left,
// which we assume have been sorted.
// 2. If its foreground density is over foreground_density_th.
bool CheckForSeed2(
const GenericVector<int>& indented_texts_left,
const float foreground_density_th,
ColPartition* part);
// Count the number of values in sorted_vec that is close to val, used to
// check if a partition is aligned with text partitions.
int CountAlignment(
const GenericVector<int>& sorted_vec, const int val) const;
// Check for a seed candidate using the foreground pixel density. And we
// return true if the density is below a certain threshold, because characters
// in equation regions usually are apart with more white spaces.
bool CheckSeedFgDensity(const float density_th, ColPartition* part);
// A light version of SplitCPHor: instead of really doing the part split, we
// simply compute the union bounding box of each splitted part.
void SplitCPHorLite(ColPartition* part, GenericVector<TBOX>* splitted_boxes);
// Split the part (horizontally), and save the splitted result into
// parts_splitted. Note that it is caller's responsibility to release the
// memory owns by parts_splitted. On the other hand, the part is unchanged
// during this process and still owns the blobs, so do NOT call DeleteBoxes
// when freeing the colpartitions in parts_splitted.
void SplitCPHor(ColPartition* part,
GenericVector<ColPartition*>* parts_splitted);
// Check the density for a seed candidate (part) using its math density and
// italic density, returns true if the check passed.
bool CheckSeedDensity(const float math_density_high,
const float math_density_low,
const ColPartition* part) const;
// Check if part is indented.
IndentType IsIndented(ColPartition* part);
// Identify inline partitions from cp_seeds_, and re-label them.
void IdentifyInlineParts();
// Comute the super bounding box for all colpartitions inside part_grid_.
void ComputeCPsSuperBBox();
// Identify inline partitions from cp_seeds_ using the horizontal search.
void IdentifyInlinePartsHorizontal();
// Estimate the line spacing between two text partitions. Returns -1 if not
// enough data.
int EstimateTextPartLineSpacing();
// Identify inline partitions from cp_seeds_ using vertical search.
void IdentifyInlinePartsVertical(const bool top_to_bottom,
const int textPartsLineSpacing);
// Check if part is an inline equation zone. This should be called after we
// identified the seed regions.
bool IsInline(const bool search_bottom,
const int textPartsLineSpacing,
ColPartition* part);
// For a given seed partition, we search the part_grid_ and see if there is
// any partition can be merged with it. It returns true if the seed has been
// expanded.
bool ExpandSeed(ColPartition* seed);
// Starting from the seed position, we search the part_grid_
// horizontally/vertically, find all parititions that can be
// merged with seed, remove them from part_grid_, and put them into
// parts_to_merge.
void ExpandSeedHorizontal(const bool search_left,
ColPartition* seed,
GenericVector<ColPartition*>* parts_to_merge);
void ExpandSeedVertical(const bool search_bottom,
ColPartition* seed,
GenericVector<ColPartition*>* parts_to_merge);
// Check if a part_box is the small neighbor of seed_box.
bool IsNearSmallNeighbor(const TBOX& seed_box,
const TBOX& part_box) const;
// Perform the density check for part, which we assume is nearing a seed
// partition. It returns true if the check passed.
bool CheckSeedNeighborDensity(const ColPartition* part) const;
// After identify the math blocks, we do one more scanning on all text
// partitions, and check if any of them is the satellite of:
// math blocks: here a p is the satellite of q if:
// 1. q is the nearest vertical neighbor of p, and
// 2. y_gap(p, q) is less than a threshold, and
// 3. x_overlap(p, q) is over a threshold.
// Note that p can be the satellites of two blocks: its top neighbor and
// bottom neighbor.
void ProcessMathBlockSatelliteParts();
// Check if part is the satellite of one/two math blocks. If it is, we return
// true, and save the blocks into math_blocks.
bool IsMathBlockSatellite(
ColPartition* part, GenericVector<ColPartition*>* math_blocks);
// Search the nearest neighbor of part in one vertical direction as defined in
// search_bottom. It returns the neighbor found that major x overlap with it,
// or NULL when not found.
ColPartition* SearchNNVertical(const bool search_bottom,
const ColPartition* part);
// Check if the neighbor with vertical distance of y_gap is a near and math
// block partition.
bool IsNearMathNeighbor(const int y_gap, const ColPartition *neighbor) const;
// Generate the tiff file name for output/debug file.
void GetOutputTiffName(const char* name, STRING* image_name) const;
// Debugger function that renders ColPartitions on the input image, where:
// parts labeled as PT_EQUATION will be painted in red, PT_INLINE_EQUATION
// will be painted in green, and other parts will be painted in blue.
void PaintColParts(const STRING& outfile) const;
// Debugger function that renders the blobs in part_grid_ over the input
// image.
void PaintSpecialTexts(const STRING& outfile) const;
// Debugger function that print the math blobs density values for a
// ColPartition object.
void PrintSpecialBlobsDensity(const ColPartition* part) const;
// The tesseract engine intialized from equation training data.
Tesseract* equ_tesseract_;
// The tesseract engine used for OCR. This pointer is passed in by the caller,
// so do NOT destroy it in this class.
Tesseract* lang_tesseract_;
// The ColPartitionGrid that we are processing. This pointer is passed in from
// the caller, so do NOT destroy it in the class.
ColPartitionGrid* part_grid_;
// A simple array of pointers to the best assigned column division at
// each grid y coordinate. This pointer is passed in from the caller, so do
// NOT destroy it in the class.
ColPartitionSet** best_columns_;
// The super bounding box of all cps in the part_grid_.
TBOX* cps_super_bbox_;
// The seed ColPartition for equation region.
GenericVector<ColPartition*> cp_seeds_;
// The resolution (dpi) of the processing image.
int resolution_;
// The number of pages we have processed.
int page_count_;
};
} // namespace tesseract
#endif // TESSERACT_CCMAIN_EQUATIONDETECT_H_
| 1080228-arabicocr11 | ccmain/equationdetect.h | C++ | asf20 | 11,182 |
/**********************************************************************
* File: tessvars.cpp (Formerly tessvars.c)
* Description: Variables and other globals for tessedit.
* Author: Ray Smith
* Created: Mon Apr 13 13:13:23 BST 1992
*
* (C) Copyright 1992, Hewlett-Packard Ltd.
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
** http://www.apache.org/licenses/LICENSE-2.0
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*
**********************************************************************/
#include <stdio.h>
#include "tessvars.h"
FILE *debug_fp = stderr; // write debug stuff here
| 1080228-arabicocr11 | ccmain/tessvars.cpp | C++ | asf20 | 1,020 |
///////////////////////////////////////////////////////////////////////
// File: paramsd.cpp
// Description: Tesseract parameter editor
// Author: Joern Wanke
// Created: Wed Jul 18 10:05:01 PDT 2007
//
// (C) Copyright 2007, Google Inc.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
///////////////////////////////////////////////////////////////////////
//
// Tesseract parameter editor is used to edit all the parameters used
// within tesseract from the ui.
#ifndef GRAPHICS_DISABLED
#ifndef VARABLED_H
#define VARABLED_H
#include "elst.h"
#include "scrollview.h"
#include "params.h"
#include "tesseractclass.h"
class SVMenuNode;
// A list of all possible parameter types used.
enum ParamType {
VT_INTEGER,
VT_BOOLEAN,
VT_STRING,
VT_DOUBLE
};
// A rather hackish helper structure which can take any kind of parameter input
// (defined by ParamType) and do a couple of common operations on them, like
// comparisond or getting its value. It is used in the context of the
// ParamsEditor as a bridge from the internal tesseract parameters to the
// ones displayed by the ScrollView server.
class ParamContent : public ELIST_LINK {
public:
// Compare two VC objects by their name.
static int Compare(const void* v1, const void* v2);
// Gets a VC object identified by its ID.
static ParamContent* GetParamContentById(int id);
// Constructors for the various ParamTypes.
ParamContent() {
}
explicit ParamContent(tesseract::StringParam* it);
explicit ParamContent(tesseract::IntParam* it);
explicit ParamContent(tesseract::BoolParam* it);
explicit ParamContent(tesseract::DoubleParam* it);
// Getters and Setters.
void SetValue(const char* val);
STRING GetValue() const;
const char* GetName() const;
const char* GetDescription() const;
int GetId() { return my_id_; }
bool HasChanged() { return changed_; }
private:
// The unique ID of this VC object.
int my_id_;
// Whether the parameter was changed_ and thus needs to be rewritten.
bool changed_;
// The actual ParamType of this VC object.
ParamType param_type_;
tesseract::StringParam* sIt;
tesseract::IntParam* iIt;
tesseract::BoolParam* bIt;
tesseract::DoubleParam* dIt;
};
ELISTIZEH(ParamContent)
// The parameters editor enables the user to edit all the parameters used within
// tesseract. It can be invoked on its own, but is supposed to be invoked by
// the program editor.
class ParamsEditor : public SVEventHandler {
public:
// Integrate the parameters editor as popupmenu into the existing scrollview
// window (usually the pg editor). If sv == null, create a new empty
// empty window and attach the parameter editor to that window (ugly).
explicit ParamsEditor(tesseract::Tesseract*, ScrollView* sv = NULL);
// Event listener. Waits for SVET_POPUP events and processes them.
void Notify(const SVEvent* sve);
private:
// Gets the up to the first 3 prefixes from s (split by _).
// For example, tesseract_foo_bar will be split into tesseract,foo and bar.
void GetPrefixes(const char* s, STRING* level_one,
STRING* level_two, STRING* level_three);
// Gets the first n words (split by _) and puts them in t.
// For example, tesseract_foo_bar with N=2 will yield tesseract_foo_.
void GetFirstWords(const char *s, // source string
int n, // number of words
char *t); // target string
// Find all editable parameters used within tesseract and create a
// SVMenuNode tree from it.
SVMenuNode *BuildListOfAllLeaves(tesseract::Tesseract *tess);
// Write all (changed_) parameters to a config file.
void WriteParams(char* filename, bool changes_only);
ScrollView* sv_window_;
};
#endif
#endif
| 1080228-arabicocr11 | ccmain/paramsd.h | C++ | asf20 | 4,263 |
///////////////////////////////////////////////////////////////////////
// File: osdetect.cpp
// Description: Orientation and script detection.
// Author: Samuel Charron
// Ranjith Unnikrishnan
//
// (C) Copyright 2008, Google Inc.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
///////////////////////////////////////////////////////////////////////
#include "osdetect.h"
#include "blobbox.h"
#include "blread.h"
#include "colfind.h"
#include "fontinfo.h"
#include "imagefind.h"
#include "linefind.h"
#include "oldlist.h"
#include "qrsequence.h"
#include "ratngs.h"
#include "strngs.h"
#include "tabvector.h"
#include "tesseractclass.h"
#include "textord.h"
const int kMinCharactersToTry = 50;
const int kMaxCharactersToTry = 5 * kMinCharactersToTry;
const float kSizeRatioToReject = 2.0;
const int kMinAcceptableBlobHeight = 10;
const float kOrientationAcceptRatio = 1.3;
const float kScriptAcceptRatio = 1.3;
const float kHanRatioInKorean = 0.7;
const float kHanRatioInJapanese = 0.3;
const float kNonAmbiguousMargin = 1.0;
// General scripts
static const char* han_script = "Han";
static const char* latin_script = "Latin";
static const char* katakana_script = "Katakana";
static const char* hiragana_script = "Hiragana";
static const char* hangul_script = "Hangul";
// Pseudo-scripts Name
const char* ScriptDetector::korean_script_ = "Korean";
const char* ScriptDetector::japanese_script_ = "Japanese";
const char* ScriptDetector::fraktur_script_ = "Fraktur";
// Minimum believable resolution.
const int kMinCredibleResolution = 70;
// Default resolution used if input is not believable.
const int kDefaultResolution = 300;
void OSResults::update_best_orientation() {
float first = orientations[0];
float second = orientations[1];
best_result.orientation_id = 0;
if (orientations[0] < orientations[1]) {
first = orientations[1];
second = orientations[0];
best_result.orientation_id = 1;
}
for (int i = 2; i < 4; ++i) {
if (orientations[i] > first) {
second = first;
first = orientations[i];
best_result.orientation_id = i;
} else if (orientations[i] > second) {
second = orientations[i];
}
}
// Store difference of top two orientation scores.
best_result.oconfidence = first - second;
}
void OSResults::set_best_orientation(int orientation_id) {
best_result.orientation_id = orientation_id;
best_result.oconfidence = 0;
}
void OSResults::update_best_script(int orientation) {
// We skip index 0 to ignore the "Common" script.
float first = scripts_na[orientation][1];
float second = scripts_na[orientation][2];
best_result.script_id = 1;
if (scripts_na[orientation][1] < scripts_na[orientation][2]) {
first = scripts_na[orientation][2];
second = scripts_na[orientation][1];
best_result.script_id = 2;
}
for (int i = 3; i < kMaxNumberOfScripts; ++i) {
if (scripts_na[orientation][i] > first) {
best_result.script_id = i;
second = first;
first = scripts_na[orientation][i];
} else if (scripts_na[orientation][i] > second) {
second = scripts_na[orientation][i];
}
}
best_result.sconfidence =
(first / second - 1.0) / (kScriptAcceptRatio - 1.0);
}
int OSResults::get_best_script(int orientation_id) const {
int max_id = -1;
for (int j = 0; j < kMaxNumberOfScripts; ++j) {
const char *script = unicharset->get_script_from_script_id(j);
if (strcmp(script, "Common") && strcmp(script, "NULL")) {
if (max_id == -1 ||
scripts_na[orientation_id][j] > scripts_na[orientation_id][max_id])
max_id = j;
}
}
return max_id;
}
// Print the script scores for all possible orientations.
void OSResults::print_scores(void) const {
for (int i = 0; i < 4; ++i) {
tprintf("Orientation id #%d", i);
print_scores(i);
}
}
// Print the script scores for the given candidate orientation.
void OSResults::print_scores(int orientation_id) const {
for (int j = 0; j < kMaxNumberOfScripts; ++j) {
if (scripts_na[orientation_id][j]) {
tprintf("%12s\t: %f\n", unicharset->get_script_from_script_id(j),
scripts_na[orientation_id][j]);
}
}
}
// Accumulate scores with given OSResults instance and update the best script.
void OSResults::accumulate(const OSResults& osr) {
for (int i = 0; i < 4; ++i) {
orientations[i] += osr.orientations[i];
for (int j = 0; j < kMaxNumberOfScripts; ++j)
scripts_na[i][j] += osr.scripts_na[i][j];
}
unicharset = osr.unicharset;
update_best_orientation();
update_best_script(best_result.orientation_id);
}
// Detect and erase horizontal/vertical lines and picture regions from the
// image, so that non-text blobs are removed from consideration.
void remove_nontext_regions(tesseract::Tesseract *tess, BLOCK_LIST *blocks,
TO_BLOCK_LIST *to_blocks) {
Pix *pix = tess->pix_binary();
ASSERT_HOST(pix != NULL);
int vertical_x = 0;
int vertical_y = 1;
tesseract::TabVector_LIST v_lines;
tesseract::TabVector_LIST h_lines;
const int kMinCredibleResolution = 70;
int resolution = (kMinCredibleResolution > pixGetXRes(pix)) ?
kMinCredibleResolution : pixGetXRes(pix);
tesseract::LineFinder::FindAndRemoveLines(resolution, false, pix,
&vertical_x, &vertical_y,
NULL, &v_lines, &h_lines);
Pix* im_pix = tesseract::ImageFind::FindImages(pix);
if (im_pix != NULL) {
pixSubtract(pix, pix, im_pix);
pixDestroy(&im_pix);
}
tess->mutable_textord()->find_components(tess->pix_binary(),
blocks, to_blocks);
}
// Find connected components in the page and process a subset until finished or
// a stopping criterion is met.
// Returns the number of blobs used in making the estimate. 0 implies failure.
int orientation_and_script_detection(STRING& filename,
OSResults* osr,
tesseract::Tesseract* tess) {
STRING name = filename; //truncated name
const char *lastdot; //of name
TBOX page_box;
lastdot = strrchr (name.string (), '.');
if (lastdot != NULL)
name[lastdot-name.string()] = '\0';
ASSERT_HOST(tess->pix_binary() != NULL)
int width = pixGetWidth(tess->pix_binary());
int height = pixGetHeight(tess->pix_binary());
BLOCK_LIST blocks;
if (!read_unlv_file(name, width, height, &blocks))
FullPageBlock(width, height, &blocks);
// Try to remove non-text regions from consideration.
TO_BLOCK_LIST land_blocks, port_blocks;
remove_nontext_regions(tess, &blocks, &port_blocks);
if (port_blocks.empty()) {
// page segmentation did not succeed, so we need to find_components first.
tess->mutable_textord()->find_components(tess->pix_binary(),
&blocks, &port_blocks);
} else {
page_box.set_left(0);
page_box.set_bottom(0);
page_box.set_right(width);
page_box.set_top(height);
// Filter_blobs sets up the TO_BLOCKs the same as find_components does.
tess->mutable_textord()->filter_blobs(page_box.topright(),
&port_blocks, true);
}
return os_detect(&port_blocks, osr, tess);
}
// Filter and sample the blobs.
// Returns a non-zero number of blobs if the page was successfully processed, or
// zero if the page had too few characters to be reliable
int os_detect(TO_BLOCK_LIST* port_blocks, OSResults* osr,
tesseract::Tesseract* tess) {
int blobs_total = 0;
TO_BLOCK_IT block_it;
block_it.set_to_list(port_blocks);
BLOBNBOX_CLIST filtered_list;
BLOBNBOX_C_IT filtered_it(&filtered_list);
for (block_it.mark_cycle_pt(); !block_it.cycled_list();
block_it.forward ()) {
TO_BLOCK* to_block = block_it.data();
if (to_block->block->poly_block() &&
!to_block->block->poly_block()->IsText()) continue;
BLOBNBOX_IT bbox_it;
bbox_it.set_to_list(&to_block->blobs);
for (bbox_it.mark_cycle_pt (); !bbox_it.cycled_list ();
bbox_it.forward ()) {
BLOBNBOX* bbox = bbox_it.data();
C_BLOB* blob = bbox->cblob();
TBOX box = blob->bounding_box();
++blobs_total;
float y_x = fabs((box.height() * 1.0) / box.width());
float x_y = 1.0f / y_x;
// Select a >= 1.0 ratio
float ratio = x_y > y_x ? x_y : y_x;
// Blob is ambiguous
if (ratio > kSizeRatioToReject) continue;
if (box.height() < kMinAcceptableBlobHeight) continue;
filtered_it.add_to_end(bbox);
}
}
return os_detect_blobs(NULL, &filtered_list, osr, tess);
}
// Detect orientation and script from a list of blobs.
// Returns a non-zero number of blobs if the list was successfully processed, or
// zero if the list had too few characters to be reliable.
// If allowed_scripts is non-null and non-empty, it is a list of scripts that
// constrains both orientation and script detection to consider only scripts
// from the list.
int os_detect_blobs(const GenericVector<int>* allowed_scripts,
BLOBNBOX_CLIST* blob_list, OSResults* osr,
tesseract::Tesseract* tess) {
OSResults osr_;
if (osr == NULL)
osr = &osr_;
osr->unicharset = &tess->unicharset;
OrientationDetector o(allowed_scripts, osr);
ScriptDetector s(allowed_scripts, osr, tess);
BLOBNBOX_C_IT filtered_it(blob_list);
int real_max = MIN(filtered_it.length(), kMaxCharactersToTry);
// tprintf("Total blobs found = %d\n", blobs_total);
// tprintf("Number of blobs post-filtering = %d\n", filtered_it.length());
// tprintf("Number of blobs to try = %d\n", real_max);
// If there are too few characters, skip this page entirely.
if (real_max < kMinCharactersToTry / 2) {
tprintf("Too few characters. Skipping this page\n");
return 0;
}
BLOBNBOX** blobs = new BLOBNBOX*[filtered_it.length()];
int number_of_blobs = 0;
for (filtered_it.mark_cycle_pt (); !filtered_it.cycled_list ();
filtered_it.forward ()) {
blobs[number_of_blobs++] = (BLOBNBOX*)filtered_it.data();
}
QRSequenceGenerator sequence(number_of_blobs);
int num_blobs_evaluated = 0;
for (int i = 0; i < real_max; ++i) {
if (os_detect_blob(blobs[sequence.GetVal()], &o, &s, osr, tess)
&& i > kMinCharactersToTry) {
break;
}
++num_blobs_evaluated;
}
delete [] blobs;
// Make sure the best_result is up-to-date
int orientation = o.get_orientation();
osr->update_best_script(orientation);
return num_blobs_evaluated;
}
// Processes a single blob to estimate script and orientation.
// Return true if estimate of orientation and script satisfies stopping
// criteria.
bool os_detect_blob(BLOBNBOX* bbox, OrientationDetector* o,
ScriptDetector* s, OSResults* osr,
tesseract::Tesseract* tess) {
tess->tess_cn_matching.set_value(true); // turn it on
tess->tess_bn_matching.set_value(false);
C_BLOB* blob = bbox->cblob();
TBLOB* tblob = TBLOB::PolygonalCopy(tess->poly_allow_detailed_fx, blob);
TBOX box = tblob->bounding_box();
FCOORD current_rotation(1.0f, 0.0f);
FCOORD rotation90(0.0f, 1.0f);
BLOB_CHOICE_LIST ratings[4];
// Test the 4 orientations
for (int i = 0; i < 4; ++i) {
// Normalize the blob. Set the origin to the place we want to be the
// bottom-middle after rotation.
// Scaling is to make the rotated height the x-height.
float scaling = static_cast<float>(kBlnXHeight) / box.height();
float x_origin = (box.left() + box.right()) / 2.0f;
float y_origin = (box.bottom() + box.top()) / 2.0f;
if (i == 0 || i == 2) {
// Rotation is 0 or 180.
y_origin = i == 0 ? box.bottom() : box.top();
} else {
// Rotation is 90 or 270.
scaling = static_cast<float>(kBlnXHeight) / box.width();
x_origin = i == 1 ? box.left() : box.right();
}
TBLOB* rotated_blob = new TBLOB(*tblob);
rotated_blob->Normalize(NULL, ¤t_rotation, NULL,
x_origin, y_origin, scaling, scaling,
0.0f, static_cast<float>(kBlnBaselineOffset),
false, NULL);
tess->AdaptiveClassifier(rotated_blob, ratings + i);
delete rotated_blob;
current_rotation.rotate(rotation90);
}
delete tblob;
bool stop = o->detect_blob(ratings);
s->detect_blob(ratings);
int orientation = o->get_orientation();
stop = s->must_stop(orientation) && stop;
return stop;
}
OrientationDetector::OrientationDetector(
const GenericVector<int>* allowed_scripts, OSResults* osr) {
osr_ = osr;
allowed_scripts_ = allowed_scripts;
}
// Score the given blob and return true if it is now sure of the orientation
// after adding this block.
bool OrientationDetector::detect_blob(BLOB_CHOICE_LIST* scores) {
float blob_o_score[4] = {0.0f, 0.0f, 0.0f, 0.0f};
float total_blob_o_score = 0.0f;
for (int i = 0; i < 4; ++i) {
BLOB_CHOICE_IT choice_it(scores + i);
if (!choice_it.empty()) {
BLOB_CHOICE* choice = NULL;
if (allowed_scripts_ != NULL && !allowed_scripts_->empty()) {
// Find the top choice in an allowed script.
for (choice_it.mark_cycle_pt(); !choice_it.cycled_list() &&
choice == NULL; choice_it.forward()) {
int choice_script = choice_it.data()->script_id();
int s = 0;
for (s = 0; s < allowed_scripts_->size(); ++s) {
if ((*allowed_scripts_)[s] == choice_script) {
choice = choice_it.data();
break;
}
}
}
} else {
choice = choice_it.data();
}
if (choice != NULL) {
// The certainty score ranges between [-20,0]. This is converted here to
// [0,1], with 1 indicating best match.
blob_o_score[i] = 1 + 0.05 * choice->certainty();
total_blob_o_score += blob_o_score[i];
}
}
}
if (total_blob_o_score == 0.0) return false;
// Fill in any blanks with the worst score of the others. This is better than
// picking an arbitrary probability for it and way better than -inf.
float worst_score = 0.0f;
int num_good_scores = 0;
for (int i = 0; i < 4; ++i) {
if (blob_o_score[i] > 0.0f) {
++num_good_scores;
if (worst_score == 0.0f || blob_o_score[i] < worst_score)
worst_score = blob_o_score[i];
}
}
if (num_good_scores == 1) {
// Lower worst if there is only one.
worst_score /= 2.0f;
}
for (int i = 0; i < 4; ++i) {
if (blob_o_score[i] == 0.0f) {
blob_o_score[i] = worst_score;
total_blob_o_score += worst_score;
}
}
// Normalize the orientation scores for the blob and use them to
// update the aggregated orientation score.
for (int i = 0; total_blob_o_score != 0 && i < 4; ++i) {
osr_->orientations[i] += log(blob_o_score[i] / total_blob_o_score);
}
// TODO(ranjith) Add an early exit test, based on min_orientation_margin,
// as used in pagesegmain.cpp.
return false;
}
int OrientationDetector::get_orientation() {
osr_->update_best_orientation();
return osr_->best_result.orientation_id;
}
ScriptDetector::ScriptDetector(const GenericVector<int>* allowed_scripts,
OSResults* osr, tesseract::Tesseract* tess) {
osr_ = osr;
tess_ = tess;
allowed_scripts_ = allowed_scripts;
katakana_id_ = tess_->unicharset.add_script(katakana_script);
hiragana_id_ = tess_->unicharset.add_script(hiragana_script);
han_id_ = tess_->unicharset.add_script(han_script);
hangul_id_ = tess_->unicharset.add_script(hangul_script);
japanese_id_ = tess_->unicharset.add_script(japanese_script_);
korean_id_ = tess_->unicharset.add_script(korean_script_);
latin_id_ = tess_->unicharset.add_script(latin_script);
fraktur_id_ = tess_->unicharset.add_script(fraktur_script_);
}
// Score the given blob and return true if it is now sure of the script after
// adding this blob.
void ScriptDetector::detect_blob(BLOB_CHOICE_LIST* scores) {
bool done[kMaxNumberOfScripts];
for (int i = 0; i < 4; ++i) {
for (int j = 0; j < kMaxNumberOfScripts; ++j)
done[j] = false;
BLOB_CHOICE_IT choice_it;
choice_it.set_to_list(scores + i);
float prev_score = -1;
int script_count = 0;
int prev_id = -1;
int prev_fontinfo_id = -1;
const char* prev_unichar = "";
const char* unichar = "";
for (choice_it.mark_cycle_pt(); !choice_it.cycled_list();
choice_it.forward()) {
BLOB_CHOICE* choice = choice_it.data();
int id = choice->script_id();
if (allowed_scripts_ != NULL && !allowed_scripts_->empty()) {
// Check that the choice is in an allowed script.
int s = 0;
for (s = 0; s < allowed_scripts_->size(); ++s) {
if ((*allowed_scripts_)[s] == id) break;
}
if (s == allowed_scripts_->size()) continue; // Not found in list.
}
// Script already processed before.
if (done[id]) continue;
done[id] = true;
unichar = tess_->unicharset.id_to_unichar(choice->unichar_id());
// Save data from the first match
if (prev_score < 0) {
prev_score = -choice->certainty();
script_count = 1;
prev_id = id;
prev_unichar = unichar;
prev_fontinfo_id = choice->fontinfo_id();
} else if (-choice->certainty() < prev_score + kNonAmbiguousMargin) {
++script_count;
}
if (strlen(prev_unichar) == 1)
if (unichar[0] >= '0' && unichar[0] <= '9')
break;
// if script_count is >= 2, character is ambiguous, skip other matches
// since they are useless.
if (script_count >= 2)
break;
}
// Character is non ambiguous
if (script_count == 1) {
// Update the score of the winning script
osr_->scripts_na[i][prev_id] += 1.0;
// Workaround for Fraktur
if (prev_id == latin_id_) {
if (prev_fontinfo_id >= 0) {
const tesseract::FontInfo &fi =
tess_->get_fontinfo_table().get(prev_fontinfo_id);
//printf("Font: %s i:%i b:%i f:%i s:%i k:%i (%s)\n", fi.name,
// fi.is_italic(), fi.is_bold(), fi.is_fixed_pitch(),
// fi.is_serif(), fi.is_fraktur(),
// prev_unichar);
if (fi.is_fraktur()) {
osr_->scripts_na[i][prev_id] -= 1.0;
osr_->scripts_na[i][fraktur_id_] += 1.0;
}
}
}
// Update Japanese / Korean pseudo-scripts
if (prev_id == katakana_id_)
osr_->scripts_na[i][japanese_id_] += 1.0;
if (prev_id == hiragana_id_)
osr_->scripts_na[i][japanese_id_] += 1.0;
if (prev_id == hangul_id_)
osr_->scripts_na[i][korean_id_] += 1.0;
if (prev_id == han_id_) {
osr_->scripts_na[i][korean_id_] += kHanRatioInKorean;
osr_->scripts_na[i][japanese_id_] += kHanRatioInJapanese;
}
}
} // iterate over each orientation
}
bool ScriptDetector::must_stop(int orientation) {
osr_->update_best_script(orientation);
return osr_->best_result.sconfidence > 1;
}
// Helper method to convert an orientation index to its value in degrees.
// The value represents the amount of clockwise rotation in degrees that must be
// applied for the text to be upright (readable).
const int OrientationIdToValue(const int& id) {
switch (id) {
case 0:
return 0;
case 1:
return 270;
case 2:
return 180;
case 3:
return 90;
default:
return -1;
}
}
| 1080228-arabicocr11 | ccmain/osdetect.cpp | C++ | asf20 | 20,093 |
// Copyright 2011 Google Inc. All Rights Reserved.
// Author: rays@google.com (Ray Smith)
///////////////////////////////////////////////////////////////////////
// File: cubeclassifier.cpp
// Description: Cube implementation of a ShapeClassifier.
// Author: Ray Smith
// Created: Wed Nov 23 10:39:45 PST 2011
//
// (C) Copyright 2011, Google Inc.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
///////////////////////////////////////////////////////////////////////
#include "cubeclassifier.h"
#include "char_altlist.h"
#include "char_set.h"
#include "cube_object.h"
#include "cube_reco_context.h"
#include "tessclassifier.h"
#include "tesseractclass.h"
#include "trainingsample.h"
#include "unicharset.h"
namespace tesseract {
CubeClassifier::CubeClassifier(tesseract::Tesseract* tesseract)
: cube_cntxt_(tesseract->GetCubeRecoContext()),
shape_table_(*tesseract->shape_table()) {
}
CubeClassifier::~CubeClassifier() {
}
// Classifies the given [training] sample, writing to results.
// See ShapeClassifier for a full description.
int CubeClassifier::UnicharClassifySample(
const TrainingSample& sample, Pix* page_pix, int debug,
UNICHAR_ID keep_this, GenericVector<UnicharRating>* results) {
results->clear();
if (page_pix == NULL) return 0;
ASSERT_HOST(cube_cntxt_ != NULL);
const TBOX& char_box = sample.bounding_box();
CubeObject* cube_obj = new tesseract::CubeObject(
cube_cntxt_, page_pix, char_box.left(),
pixGetHeight(page_pix) - char_box.top(),
char_box.width(), char_box.height());
CharAltList* alt_list = cube_obj->RecognizeChar();
if (alt_list != NULL) {
alt_list->Sort();
CharSet* char_set = cube_cntxt_->CharacterSet();
for (int i = 0; i < alt_list->AltCount(); ++i) {
// Convert cube representation to a shape_id.
int alt_id = alt_list->Alt(i);
int unichar_id = char_set->UnicharID(char_set->ClassString(alt_id));
if (unichar_id >= 0)
results->push_back(UnicharRating(unichar_id, alt_list->AltProb(i)));
}
delete alt_list;
}
delete cube_obj;
return results->size();
}
// Provides access to the ShapeTable that this classifier works with.
const ShapeTable* CubeClassifier::GetShapeTable() const {
return &shape_table_;
}
CubeTessClassifier::CubeTessClassifier(tesseract::Tesseract* tesseract)
: cube_cntxt_(tesseract->GetCubeRecoContext()),
shape_table_(*tesseract->shape_table()),
pruner_(new TessClassifier(true, tesseract)) {
}
CubeTessClassifier::~CubeTessClassifier() {
delete pruner_;
}
// Classifies the given [training] sample, writing to results.
// See ShapeClassifier for a full description.
int CubeTessClassifier::UnicharClassifySample(
const TrainingSample& sample, Pix* page_pix, int debug,
UNICHAR_ID keep_this, GenericVector<UnicharRating>* results) {
int num_results = pruner_->UnicharClassifySample(sample, page_pix, debug,
keep_this, results);
if (page_pix == NULL) return num_results;
ASSERT_HOST(cube_cntxt_ != NULL);
const TBOX& char_box = sample.bounding_box();
CubeObject* cube_obj = new tesseract::CubeObject(
cube_cntxt_, page_pix, char_box.left(),
pixGetHeight(page_pix) - char_box.top(),
char_box.width(), char_box.height());
CharAltList* alt_list = cube_obj->RecognizeChar();
CharSet* char_set = cube_cntxt_->CharacterSet();
if (alt_list != NULL) {
for (int r = 0; r < num_results; ++r) {
// Get the best cube probability of the unichar in the result.
double best_prob = 0.0;
for (int i = 0; i < alt_list->AltCount(); ++i) {
int alt_id = alt_list->Alt(i);
int unichar_id = char_set->UnicharID(char_set->ClassString(alt_id));
if (unichar_id == (*results)[r].unichar_id &&
alt_list->AltProb(i) > best_prob) {
best_prob = alt_list->AltProb(i);
}
}
(*results)[r].rating = best_prob;
}
delete alt_list;
// Re-sort by rating.
results->sort(&UnicharRating::SortDescendingRating);
}
delete cube_obj;
return results->size();
}
// Provides access to the ShapeTable that this classifier works with.
const ShapeTable* CubeTessClassifier::GetShapeTable() const {
return &shape_table_;
}
} // namespace tesseract
| 1080228-arabicocr11 | ccmain/cubeclassifier.cpp | C++ | asf20 | 4,811 |
///////////////////////////////////////////////////////////////////////
// File: svmnode.h
// description_: ScrollView Menu Node
// Author: Joern Wanke
// Created: Thu Nov 29 2007
//
// (C) Copyright 2007, Google Inc.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
///////////////////////////////////////////////////////////////////////
//
// A SVMenuNode is an entity which contains the mapping from a menu entry on
// the server side to the corresponding associated commands on the client.
// It is designed to be a tree structure with a root node, which can then be
// used to generate the appropriate messages to the server to display the
// menu structure there.
// A SVMenuNode can both be used in the context_ of popup menus as well as
// menu bars.
#ifndef TESSERACT_VIEWER_SVMNODE_H__
#define TESSERACT_VIEWER_SVMNODE_H__
#include "strngs.h"
class ScrollView;
class SVMenuNode {
public:
// Creating the (empty) root menu node.
SVMenuNode();
// Destructor for every node.
~SVMenuNode();
// Create a new sub menu node with just a caption. This is used to create
// nodes which act as parent nodes to other nodes (e.g. submenus).
SVMenuNode* AddChild(const char* txt);
// Create a "normal" menu node which is associated with a command event.
void AddChild(const char* txt, int command_event);
// Create a flag menu node.
void AddChild(const char* txt, int command_event, int tv);
// Create a menu node with an associated value (which might be changed
// through the gui).
void AddChild(const char* txt, int command_event, const char* val);
// Create a menu node with an associated value and description_.
void AddChild(const char* txt, int command_event,
const char* val, const char* desc);
// Build a menu structure for the server and send the necessary messages.
// Should be called on the root node. If menu_bar is true, a menu_bar menu
// is built (e.g. on top of the window), if it is false a popup menu is
// built which gets shown by right clicking on the window.
void BuildMenu(ScrollView *sv, bool menu_bar = true);
private:
// Constructor holding the actual node data.
SVMenuNode(int command_event, const char* txt, int tv,
bool check_box_entry, const char* val, const char* desc);
// Adds a new menu node to the current node.
void AddChild(SVMenuNode* svmn);
// The parent node of this node.
SVMenuNode* parent_;
// The first child of this node.
SVMenuNode* child_;
// The next "sibling" of this node (e.g. same parent).
SVMenuNode* next_;
// Whether this menu node actually is a flag.
bool is_check_box_entry_;
// The command event associated with a specific menu node. Should be unique.
int cmd_event_;
// The caption associated with a specific menu node.
STRING text_;
// The value of the flag (if this menu node is a flag).
bool toggle_value_;
// The value of the menu node. (optional)
STRING value_;
// A description_ of the value. (optional)
STRING description_;
};
#endif // TESSERACT_VIEWER_SVMNODE_H__
| 1080228-arabicocr11 | viewer/svmnode.h | C++ | asf20 | 3,583 |
///////////////////////////////////////////////////////////////////////
// File: scrollview.h
// Description: ScrollView
// Author: Joern Wanke
// Created: Thu Nov 29 2007
//
// (C) Copyright 2007, Google Inc.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
///////////////////////////////////////////////////////////////////////
//
// ScrollView is designed as an UI which can be run remotely. This is the
// client code for it, the server part is written in java. The client consists
// mainly of 2 parts:
// The "core" ScrollView which sets up the remote connection,
// takes care of event handling etc.
// The other part of ScrollView consists of predefined API calls through LUA,
// which can basically be used to get a zoomable canvas in which it is possible
// to draw lines, text etc.
// Technically, thanks to LUA, its even possible to bypass the here defined LUA
// API calls at all and generate a java user interface from scratch (or
// basically generate any kind of java program, possibly even dangerous ones).
#ifndef TESSERACT_VIEWER_SCROLLVIEW_H__
#define TESSERACT_VIEWER_SCROLLVIEW_H__
// TODO(rays) Move ScrollView into the tesseract namespace.
#ifndef OCR_SCROLLVIEW_H__
#include <stdio.h>
class ScrollView;
class SVNetwork;
class SVMutex;
class SVSemaphore;
struct SVPolyLineBuffer;
enum SVEventType {
SVET_DESTROY, // Window has been destroyed by user.
SVET_EXIT, // User has destroyed the last window by clicking on the 'X'.
SVET_CLICK, // Left button pressed.
SVET_SELECTION, // Left button selection.
SVET_INPUT, // There is some input (single key or a whole string).
SVET_MOUSE, // The mouse has moved with a button pressed.
SVET_MOTION, // The mouse has moved with no button pressed.
SVET_HOVER, // The mouse has stayed still for a second.
SVET_POPUP, // A command selected through a popup menu.
SVET_MENU, // A command selected through the menubar.
SVET_ANY, // Any of the above.
SVET_COUNT // Array sizing.
};
struct SVEvent {
~SVEvent() { delete [] parameter; }
SVEvent* copy();
SVEventType type; // What kind of event.
ScrollView* window; // Window event relates to.
int x; // Coords of click or selection.
int y;
int x_size; // Size of selection.
int y_size;
int command_id; // The ID of the possibly associated event (e.g. MENU)
char* parameter; // Any string that might have been passed as argument.
int counter; // Used to detect which kind of event to process next.
SVEvent() {
window = NULL;
parameter = NULL;
}
SVEvent(const SVEvent&);
SVEvent& operator=(const SVEvent&);
};
// The SVEventHandler class is used for Event handling: If you register your
// class as SVEventHandler to a ScrollView Window, the SVEventHandler will be
// called whenever an appropriate event occurs.
class SVEventHandler {
public:
virtual ~SVEventHandler() {}
// Gets called by the SV Window. Does nothing on default, overwrite this
// to implement the desired behaviour
virtual void Notify(const SVEvent* sve) { }
};
// The ScrollView class provides the expernal API to the scrollviewer process.
// The scrollviewer process manages windows and displays images, graphics and
// text while allowing the user to zoom and scroll the windows arbitrarily.
// Each ScrollView class instance represents one window, and stuff is drawn in
// the window through method calls on the class. The constructor is used to
// create the class instance (and the window).
class ScrollView {
public:
// Color enum for pens and brushes.
enum Color {
NONE,
BLACK,
WHITE,
RED,
YELLOW,
GREEN,
CYAN,
BLUE,
MAGENTA,
AQUAMARINE,
DARK_SLATE_BLUE,
LIGHT_BLUE,
MEDIUM_BLUE,
MIDNIGHT_BLUE,
NAVY_BLUE,
SKY_BLUE,
SLATE_BLUE,
STEEL_BLUE,
CORAL,
BROWN,
SANDY_BROWN,
GOLD,
GOLDENROD,
DARK_GREEN,
DARK_OLIVE_GREEN,
FOREST_GREEN,
LIME_GREEN,
PALE_GREEN,
YELLOW_GREEN,
LIGHT_GREY,
DARK_SLATE_GREY,
DIM_GREY,
GREY,
KHAKI,
MAROON,
ORANGE,
ORCHID,
PINK,
PLUM,
INDIAN_RED,
ORANGE_RED,
VIOLET_RED,
SALMON,
TAN,
TURQUOISE,
DARK_TURQUOISE,
VIOLET,
WHEAT,
GREEN_YELLOW // Make sure this one is last.
};
~ScrollView();
#ifndef GRAPHICS_DISABLED
// Create a window. The pixel size of the window may be 0,0, in which case
// a default size is selected based on the size of your canvas.
// The canvas may not be 0,0 in size!
ScrollView(const char* name, int x_pos, int y_pos, int x_size, int y_size,
int x_canvas_size, int y_canvas_size);
// With a flag whether the x axis is reversed.
ScrollView(const char* name, int x_pos, int y_pos, int x_size, int y_size,
int x_canvas_size, int y_canvas_size, bool y_axis_reversed);
// Connect to a server other than localhost.
ScrollView(const char* name, int x_pos, int y_pos, int x_size, int y_size,
int x_canvas_size, int y_canvas_size, bool y_axis_reversed,
const char* server_name);
/*******************************************************************************
* Event handling
* To register as listener, the class has to derive from the SVEventHandler
* class, which consists of a notifyMe(SVEvent*) function that should be
* overwritten to process the event the way you want.
*******************************************************************************/
// Add an Event Listener to this ScrollView Window.
void AddEventHandler(SVEventHandler* listener);
// Block until an event of the given type is received.
SVEvent* AwaitEvent(SVEventType type);
// Block until any event on any window is received.
SVEvent* AwaitEventAnyWindow();
/*******************************************************************************
* Getters and Setters
*******************************************************************************/
// Returns the title of the window.
const char* GetName() { return window_name_; }
// Returns the unique ID of the window.
int GetId() { return window_id_; }
/*******************************************************************************
* API functions for LUA calls
* the implementations for these can be found in svapi.cc
* (keep in mind that the window is actually created through the ScrollView
* constructor, so this is not listed here)
*******************************************************************************/
// Draw a Pix on (x,y).
void Image(struct Pix* image, int x_pos, int y_pos);
// Flush buffers and update display.
static void Update();
// Exit the program.
static void Exit();
// Update the contents of a specific window.
void UpdateWindow();
// Erase all content from the window, but do not destroy it.
void Clear();
// Set pen color with an enum.
void Pen(Color color);
// Set pen color to RGB (0-255).
void Pen(int red, int green, int blue);
// Set pen color to RGBA (0-255).
void Pen(int red, int green, int blue, int alpha);
// Set brush color with an enum.
void Brush(Color color);
// Set brush color to RGB (0-255).
void Brush(int red, int green, int blue);
// Set brush color to RGBA (0-255).
void Brush(int red, int green, int blue, int alpha);
// Set attributes for future text, like font name (e.g.
// "Times New Roman"), font size etc..
// Note: The underlined flag is currently not supported
void TextAttributes(const char* font, int pixel_size,
bool bold, bool italic, bool underlined);
// Draw line from (x1,y1) to (x2,y2) with the current pencolor.
void Line(int x1, int y1, int x2, int y2);
// Set the stroke width of the pen.
void Stroke(float width);
// Draw a rectangle given upper left corner and lower right corner.
// The current pencolor is used as outline, the brushcolor to fill the shape.
void Rectangle(int x1, int y1, int x2, int y2);
// Draw an ellipse centered on (x,y).
// The current pencolor is used as outline, the brushcolor to fill the shape.
void Ellipse(int x, int y, int width, int height);
// Draw text with the current pencolor
void Text(int x, int y, const char* mystring);
// Draw an image from a local filename. This should be faster than createImage.
// WARNING: This only works on a local machine. This also only works image
// types supported by java (like bmp,jpeg,gif,png) since the image is opened by
// the server.
void Image(const char* image, int x_pos, int y_pos);
// Set the current position to draw from (x,y). In conjunction with...
void SetCursor(int x, int y);
// ...this function, which draws a line from the current to (x,y) and then
// sets the new position to the new (x,y), this can be used to easily draw
// polygons using vertices
void DrawTo(int x, int y);
// Set the SVWindow visible/invisible.
void SetVisible(bool visible);
// Set the SVWindow always on top or not always on top.
void AlwaysOnTop(bool b);
// Shows a modal dialog with "msg" as question and returns 'y' or 'n'.
int ShowYesNoDialog(const char* msg);
// Shows a modal dialog with "msg" as question and returns a char* string.
// Constraint: As return, only words (e.g. no whitespaces etc.) are allowed.
char* ShowInputDialog(const char* msg);
// Adds a messagebox to the SVWindow. This way, it can show the messages...
void AddMessageBox();
// ...which can be added by this command.
// This is intended as an "debug" output window.
void AddMessage(const char* format, ...);
// Zoom the window to the rectangle given upper left corner and
// lower right corner.
void ZoomToRectangle(int x1, int y1, int x2, int y2);
// Custom messages (manipulating java code directly) can be send through this.
// Send a message to the server and attach the Id of the corresponding window.
// Note: This should only be called if you are know what you are doing, since
// you are fiddling with the Java objects on the server directly. Calling
// this just for fun will likely break your application!
// It is public so you can actually take use of the LUA functionalities, but
// be careful!
void SendMsg(const char* msg, ...);
// Custom messages (manipulating java code directly) can be send through this.
// Send a message to the server without adding the
// window id. Used for global events like Exit().
// Note: This should only be called if you are know what you are doing, since
// you are fiddling with the Java objects on the server directly. Calling
// this just for fun will likely break your application!
// It is public so you can actually take use of the LUA functionalities, but
// be careful!
static void SendRawMessage(const char* msg);
/*******************************************************************************
* Add new menu entries to parent. If parent is "", the entry gets added to the
* main menubar (toplevel).
*******************************************************************************/
// This adds a new submenu to the menubar.
void MenuItem(const char* parent, const char* name);
// This adds a new (normal) menu entry with an associated eventID, which should
// be unique among menubar eventIDs.
void MenuItem(const char* parent, const char* name, int cmdEvent);
// This adds a new checkbox entry, which might initally be flagged.
void MenuItem(const char* parent, const char* name,
int cmdEvent, bool flagged);
// This adds a new popup submenu to the popup menu. If parent is "", the entry
// gets added at "toplevel" popupmenu.
void PopupItem(const char* parent, const char* name);
// This adds a new popup entry with the associated eventID, which should be
// unique among popup eventIDs.
// If value and desc are given, on a click the server will ask you to modify
// the value and return the new value.
void PopupItem(const char* parent, const char* name,
int cmdEvent, const char* value, const char* desc);
// Returns the correct Y coordinate for a window, depending on whether it might
// have to be flipped (by ySize).
int TranslateYCoordinate(int y);
private:
// Transfers a binary Image.
void TransferBinaryImage(struct Pix* image);
// Transfers a gray scale Image.
void TransferGrayImage(struct Pix* image);
// Transfers a 32-Bit Image.
void Transfer32bppImage(struct Pix* image);
// Sets up ScrollView, depending on the variables from the constructor.
void Initialize(const char* name, int x_pos, int y_pos, int x_size,
int y_size, int x_canvas_size, int y_canvas_size,
bool y_axis_reversed, const char* server_name);
// Send the current buffered polygon (if any) and clear it.
void SendPolygon();
// Start the message receiving thread.
static void* MessageReceiver(void* a);
// Place an event into the event_table (synchronized).
void SetEvent(SVEvent* svevent);
// Wake up the semaphore.
void Signal();
// Returns the unique, shared network stream.
static SVNetwork* GetStream() { return stream_; }
// Starts a new event handler. Called whenever a new window is created.
static void* StartEventHandler(void* sv);
// Escapes the ' character with a \, so it can be processed by LUA.
char* AddEscapeChars(const char* input);
// The event handler for this window.
SVEventHandler* event_handler_;
// The name of the window.
const char* window_name_;
// The id of the window.
int window_id_;
// The points of the currently under-construction polyline.
SVPolyLineBuffer* points_;
// Whether the axis is reversed.
bool y_axis_is_reversed_;
// Set to true only after the event handler has terminated.
bool event_handler_ended_;
// If the y axis is reversed, flip all y values by ySize.
int y_size_;
// # of created windows (used to assign an id to each ScrollView* for svmap).
static int nr_created_windows_;
// Serial number of sent images to ensure that the viewer knows they
// are distinct.
static int image_index_;
// The stream through which the c++ client is connected to the server.
static SVNetwork* stream_;
// Table of all the currently queued events.
SVEvent* event_table_[SVET_COUNT];
// Mutex to access the event_table_ in a synchronized fashion.
SVMutex* mutex_;
// Semaphore to the thread belonging to this window.
SVSemaphore* semaphore_;
#endif // GRAPHICS_DISABLED
};
#endif // OCR_SCROLLVIEW_H__
#endif // TESSERACT_VIEWER_SCROLLVIEW_H__
| 1080228-arabicocr11 | viewer/scrollview.h | C++ | asf20 | 14,951 |
AM_CPPFLAGS += -I$(top_srcdir)/ccutil
if VISIBILITY
AM_CPPFLAGS += -DTESS_EXPORTS \
-fvisibility=hidden -fvisibility-inlines-hidden
endif
noinst_HEADERS = \
scrollview.h svmnode.h svutil.h
if !USING_MULTIPLELIBS
noinst_LTLIBRARIES = libtesseract_viewer.la
else
lib_LTLIBRARIES = libtesseract_viewer.la
libtesseract_viewer_la_LDFLAGS = -version-info $(GENERIC_LIBRARY_VERSION)
endif
libtesseract_viewer_la_SOURCES = \
scrollview.cpp svmnode.cpp svutil.cpp svpaint.cpp
| 1080228-arabicocr11 | viewer/Makefile.am | Makefile | asf20 | 483 |
///////////////////////////////////////////////////////////////////////
// File: svmnode.cpp
// description_: ScrollView Menu Node
// Author: Joern Wanke
// Created: Thu Nov 29 2007
//
// (C) Copyright 2007, Google Inc.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
///////////////////////////////////////////////////////////////////////
//
// A SVMenuNode is an entity which contains the mapping from a menu entry on
// the server side to the corresponding associated commands on the client.
// It is designed to be a tree structure with a root node, which can then be
// used to generate the appropriate messages to the server to display the
// menu structure there.
// A SVMenuNode can both be used in the context_ of popup menus as well as
// menu bars.
#include <string.h>
#include <iostream>
#include <cstring>
#include "svmnode.h"
// Include automatically generated configuration file if running autoconf.
#ifdef HAVE_CONFIG_H
#include "config_auto.h"
#endif
#ifndef GRAPHICS_DISABLED
#include "scrollview.h"
// Create the empty root menu node. with just a caption. All other nodes should
// be added to this or one of the submenus.
SVMenuNode::SVMenuNode() {
cmd_event_ = -1;
child_ = NULL;
next_ = NULL;
parent_ = NULL;
toggle_value_ = false;
is_check_box_entry_ = false;
}
SVMenuNode::~SVMenuNode() {
}
// Create a new sub menu node with just a caption. This is used to create
// nodes which act as parent nodes to other nodes (e.g. submenus).
SVMenuNode* SVMenuNode::AddChild(const char* txt) {
SVMenuNode* s = new SVMenuNode(-1, txt, false, false, NULL, NULL);
this->AddChild(s);
return s;
}
// Create a "normal" menu node which is associated with a command event.
void SVMenuNode::AddChild(const char* txt, int command_event) {
this->AddChild(new SVMenuNode(command_event, txt, false, false, NULL, NULL));
}
// Create a menu node with an associated value (which might be changed
// through the gui).
void SVMenuNode::AddChild(const char* txt, int command_event,
const char* val) {
this->AddChild(new SVMenuNode(command_event, txt, false, false, val, NULL));
}
// Create a menu node with an associated value and description_.
void SVMenuNode::AddChild(const char* txt, int command_event, const char* val,
const char* desc) {
this->AddChild(new SVMenuNode(command_event, txt, false, false, val, desc));
}
// Create a flag menu node.
void SVMenuNode::AddChild(const char* txt, int command_event, int tv) {
this->AddChild(new SVMenuNode(command_event, txt, tv, true, NULL, NULL));
}
// Convenience function called from the different constructors to initialize
// the different values of the menu node.
SVMenuNode::SVMenuNode(int command_event, const char* txt,
int tv, bool check_box_entry, const char* val,
const char* desc)
: text_(txt), value_(val), description_(desc) {
cmd_event_ = command_event;
child_ = NULL;
next_ = NULL;
parent_ = NULL;
toggle_value_ = tv != 0;
is_check_box_entry_ = check_box_entry;
}
// Add a child node to this menu node.
void SVMenuNode::AddChild(SVMenuNode* svmn) {
svmn->parent_ = this;
// No children yet.
if (child_ == NULL) {
child_ = svmn;
} else {
SVMenuNode* cur = child_;
while (cur->next_ != NULL) { cur = cur->next_; }
cur->next_ = svmn;
}
}
// Build a menu structure for the server and send the necessary messages.
// Should be called on the root node. If menu_bar is true, a menu_bar menu
// is built (e.g. on top of the window), if it is false a popup menu is
// built which gets shown by right clicking on the window.
// Deletes itself afterwards.
void SVMenuNode::BuildMenu(ScrollView* sv, bool menu_bar) {
if ((parent_ != NULL) && (menu_bar)) {
if (is_check_box_entry_) {
sv->MenuItem(parent_->text_.string(), text_.string(), cmd_event_,
toggle_value_);
} else {
sv->MenuItem(parent_->text_.string(), text_.string(), cmd_event_); }
} else if ((parent_ != NULL) && (!menu_bar)) {
if (description_.length() > 0) {
sv->PopupItem(parent_->text_.string(), text_.string(), cmd_event_,
value_.string(), description_.string());
} else {
sv->PopupItem(parent_->text_.string(), text_.string());
}
}
if (child_ != NULL) {
child_->BuildMenu(sv, menu_bar); delete child_;
}
if (next_ != NULL) {
next_->BuildMenu(sv, menu_bar); delete next_;
}
}
#endif // GRAPHICS_DISABLED
| 1080228-arabicocr11 | viewer/svmnode.cpp | C++ | asf20 | 5,025 |
// Copyright 2007 Google Inc. All Rights Reserved.
//
// Author: Joern Wanke
//
// Simple drawing program to illustrate ScrollView capabilities.
//
// Functionality:
// - The menubar is used to select from different sample styles of input.
// - With the RMB it is possible to change the RGB values in different
// popup menus.
// - A LMB click either draws point-to-point, point or text.
// - A LMB dragging either draws a line, a rectangle or ellipse.
// Include automatically generated configuration file if running autoconf.
#ifdef HAVE_CONFIG_H
#include "config_auto.h"
#endif
#ifndef GRAPHICS_DISABLED
#include "scrollview.h"
#include "svmnode.h"
#include <stdlib.h>
#include <iostream>
// The current color values we use, initially white (== ScrollView::WHITE).
int rgb[3] = { 255, 255, 255 };
class SVPaint : public SVEventHandler {
public:
explicit SVPaint(const char* server_name);
// This is the main event handling function that we need to overwrite, defined
// in SVEventHandler.
void Notify(const SVEvent* sv_event);
private:
// The Handler take care of the SVET_POPUP, SVET_MENU, SVET_CLICK and
// SVET_SELECTION events.
void PopupHandler(const SVEvent* sv_event);
void MenuBarHandler(const SVEvent* sv_event);
void ClickHandler(const SVEvent* sv_event);
void SelectionHandler(const SVEvent* sv_event);
// Convenience functions to build little menus.
SVMenuNode* BuildPopupMenu();
SVMenuNode* BuildMenuBar();
// Our window.
ScrollView* window_;
// The mode we are in when an SVET_CLICK or an SVET_SELECTION event occurs.
int click_mode_;
int drag_mode_;
// In the point-to-point drawing mode, we need to set a start-point the first
// time we call it (e.g. call SetCursor).
bool has_start_point_;
};
// Build a sample popup menu.
SVMenuNode* SVPaint::BuildPopupMenu() {
SVMenuNode* root = new SVMenuNode(); // Empty root node
// Initial color is white, so we all values to 255.
root->AddChild("R", // Shown caption.
1, // assoc. command_id.
"255", // initial value.
"Red Color Value?"); // Shown description.
root->AddChild("G", 2, "255", "Green Color Value?");
root->AddChild("B", 3, "255", "Blue Color Value?");
return root;
}
// Build a sample menu bar.
SVMenuNode* SVPaint::BuildMenuBar() {
SVMenuNode* root = new SVMenuNode(); // Empty root node
// Create some submenus and add them to the root.
SVMenuNode* click = root->AddChild("Clicking");
SVMenuNode* drag = root->AddChild("Dragging");
// Put some nodes into the submenus.
click->AddChild("Point to Point Drawing", // Caption.
1); // command_id.
click->AddChild("Point Drawing", 2);
click->AddChild("Text Drawing", 3);
drag->AddChild("Line Drawing", 4);
drag->AddChild("Rectangle Drawing", 5);
drag->AddChild("Ellipse Drawing", 6);
return root;
}
// Takes care of the SVET_POPUP events.
// In our case, SVET_POPUP is used to set RGB values.
void SVPaint::PopupHandler(const SVEvent* sv_event) {
// Since we only have the RGB values as popup items,
// we take a shortcut to not bloat up code:
rgb[sv_event->command_id - 1] = atoi(sv_event->parameter);
window_->Pen(rgb[0], rgb[1], rgb[2]);
}
// Takes care of the SVET_MENU events.
// In our case, we change either the click_mode_ (commands 1-3)
// or the drag_mode_ (commands 4-6).
void SVPaint::MenuBarHandler(const SVEvent* sv_event) {
if ((sv_event->command_id > 0) && (sv_event->command_id < 4)) {
click_mode_ = sv_event->command_id;
has_start_point_ = false;
} else { drag_mode_ = sv_event->command_id; }
}
// Takes care of the SVET_CLICK events.
// Depending on the click_mode_ we are in, either do Point-to-Point drawing,
// point drawing, or draw text.
void SVPaint::ClickHandler(const SVEvent* sv_event) {
switch (click_mode_) {
case 1: //Point to Point
if (has_start_point_) { window_->DrawTo(sv_event->x, sv_event->y);
} else {
has_start_point_ = true;
window_->SetCursor(sv_event->x, sv_event->y);
}
break;
case 2: //Point Drawing..simulated by drawing a 1 pixel line.
window_->Line(sv_event->x, sv_event->y, sv_event->x, sv_event->y);
break;
case 3: //Text
// We show a modal input dialog on our window, then draw the input and
// finally delete the input pointer.
char* p = window_->ShowInputDialog("Text:");
window_->Text(sv_event->x, sv_event->y, p);
delete [] p;
break;
}
}
// Takes care of the SVET_SELECTION events.
// Depending on the drag_mode_ we are in, either draw a line, a rectangle or
// an ellipse.
void SVPaint::SelectionHandler(const SVEvent* sv_event) {
switch (drag_mode_) {
//FIXME inversed x_size, y_size
case 4: //Line
window_->Line(sv_event->x, sv_event->y,
sv_event->x - sv_event->x_size,
sv_event->y - sv_event->y_size);
break;
case 5: //Rectangle
window_->Rectangle(sv_event->x, sv_event->y,
sv_event->x - sv_event->x_size,
sv_event->y - sv_event->y_size);
break;
case 6: //Ellipse
window_->Ellipse(sv_event->x - sv_event->x_size,
sv_event->y - sv_event->y_size,
sv_event->x_size, sv_event->y_size);
break;
}
}
// The event handling function from ScrollView which we have to overwrite.
// We handle CLICK, SELECTION, MENU and POPUP and throw away all other events.
void SVPaint::Notify(const SVEvent* sv_event) {
if (sv_event->type == SVET_CLICK) { ClickHandler(sv_event); }
else if (sv_event->type == SVET_SELECTION) { SelectionHandler(sv_event); }
else if (sv_event->type == SVET_MENU) { MenuBarHandler(sv_event); }
else if (sv_event->type == SVET_POPUP) { PopupHandler(sv_event); }
else {} //throw other events away
}
// Builds a new window, initializes the variables and event handler and builds
// the menu.
SVPaint::SVPaint(const char *server_name) {
window_ = new ScrollView("ScrollView Paint Example", // window caption
0, 0, // x,y window position
500, 500, // window size
500, 500, // canvas size
false, // whether the Y axis is inversed.
// this is included due to legacy
// reasons for tesseract and enables
// us to have (0,0) as the LOWER left
// of the coordinate system.
server_name); // the server address.
// Set the start modes to point-to-point and line drawing.
click_mode_ = 1;
drag_mode_ = 4;
has_start_point_ = false;
// Bild our menus and add them to the window. The flag illustrates whether
// this is a menu bar.
SVMenuNode* popup_menu = BuildPopupMenu();
popup_menu->BuildMenu(window_,false);
SVMenuNode* bar_menu = BuildMenuBar();
bar_menu->BuildMenu(window_,true);
// Set the initial color values to White (could also be done by
// passing (rgb[0], rgb[1], rgb[2]).
window_->Pen(ScrollView::WHITE);
window_->Brush(ScrollView::WHITE);
// Adds the event handler to the window. This actually ensures that Notify
// gets called when events occur.
window_->AddEventHandler(this);
// Set the window visible (calling this is important to actually render
// everything. Without this call, the window would also be drawn, but the
// menu bars would be missing.
window_->SetVisible(true);
// Rest this thread until its window is destroyed.
// Note that a special eventhandling thread was created when constructing
// the window. Due to this, the application will not deadlock here.
window_->AwaitEvent(SVET_DESTROY);
// We now have 3 Threads running:
// (1) The MessageReceiver thread which fetches messages and distributes them
// (2) The EventHandler thread which handles all events for window_
// (3) The main thread which waits on window_ for a DESTROY event (blocked)
}
// If a parameter is given, we try to connect to the given server.
// This enables us to test the remote capabilites of ScrollView.
int main(int argc, char** argv) {
const char* server_name;
if (argc > 1) { server_name = argv[1]; } else { server_name = "localhost"; }
SVPaint svp(server_name);
}
#endif // GRAPHICS_DISABLED
| 1080228-arabicocr11 | viewer/svpaint.cpp | C++ | asf20 | 8,573 |
///////////////////////////////////////////////////////////////////////
// File: scrollview.cc
// Description: ScrollView
// Author: Joern Wanke
// Created: Thu Nov 29 2007
//
// (C) Copyright 2007, Google Inc.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
///////////////////////////////////////////////////////////////////////
//
#include <stdarg.h>
#include <limits.h>
#include <string.h>
#include <map>
#include <utility>
#include <algorithm>
#include <vector>
#include <string>
#include <cstring>
#include <climits>
// Include automatically generated configuration file if running autoconf.
#ifdef HAVE_CONFIG_H
#include "config_auto.h"
#endif
#include "scrollview.h"
#ifdef _MSC_VER
#pragma warning(disable:4786) // Don't give stupid warnings for stl
#pragma warning(disable:4018) // signed/unsigned warnings
#pragma warning(disable:4530) // exception warnings
#endif
const int kSvPort = 8461;
const int kMaxMsgSize = 4096;
const int kMaxIntPairSize = 45; // Holds %d,%d, for upto 64 bit.
#include "svutil.h"
#include "allheaders.h"
struct SVPolyLineBuffer {
bool empty; // Independent indicator to allow SendMsg to call SendPolygon.
std::vector<int> xcoords;
std::vector<int> ycoords;
};
// A map between the window IDs and their corresponding pointers.
static std::map<int, ScrollView*> svmap;
static SVMutex* svmap_mu;
// A map of all semaphores waiting for a specific event on a specific window.
static std::map<std::pair<ScrollView*, SVEventType>,
std::pair<SVSemaphore*, SVEvent*> > waiting_for_events;
static SVMutex* waiting_for_events_mu;
SVEvent* SVEvent::copy() {
SVEvent* any = new SVEvent;
any->command_id = command_id;
any->counter = counter;
any->parameter = new char[strlen(parameter) + 1];
strncpy(any->parameter, parameter, strlen(parameter));
any->parameter[strlen(parameter)] = '\0';
any->type = type;
any->x = x;
any->y = y;
any->x_size = x_size;
any->y_size = y_size;
any->window = window;
return any;
}
#ifndef GRAPHICS_DISABLED
/// This is the main loop which handles the ScrollView-logic from the server
/// to the client. It basically loops through messages, parses them to events
/// and distributes it to the waiting handlers.
/// It is run from a different thread and synchronizes via SVSync.
void* ScrollView::MessageReceiver(void* a) {
int counter_event_id = 0; // ongoing counter
char* message = NULL;
// Wait until a new message appears in the input stream_.
do {
message = ScrollView::GetStream()->Receive();
} while (message == NULL);
// This is the main loop which iterates until the server is dead (strlen = -1).
// It basically parses for 3 different messagetypes and then distributes the
// events accordingly.
while (1) {
// The new event we create.
SVEvent* cur = new SVEvent;
// The ID of the corresponding window.
int window_id;
int ev_type;
int n;
// Fill the new SVEvent properly.
sscanf(message, "%d,%d,%d,%d,%d,%d,%d,%n", &window_id, &ev_type, &cur->x,
&cur->y, &cur->x_size, &cur->y_size, &cur->command_id, &n);
char* p = (message + n);
svmap_mu->Lock();
cur->window = svmap[window_id];
if (cur->window != NULL) {
cur->parameter = new char[strlen(p) + 1];
strncpy(cur->parameter, p, strlen(p) + 1);
if (strlen(p) > 0) { // remove the last \n
cur->parameter[strlen(p)] = '\0';
}
cur->type = static_cast<SVEventType>(ev_type);
// Correct selection coordinates so x,y is the min pt and size is +ve.
if (cur->x_size > 0)
cur->x -= cur->x_size;
else
cur->x_size = -cur->x_size;
if (cur->y_size > 0)
cur->y -= cur->y_size;
else
cur->y_size = -cur->y_size;
// Returned y will be the bottom-left if y is reversed.
if (cur->window->y_axis_is_reversed_)
cur->y = cur->window->TranslateYCoordinate(cur->y + cur->y_size);
cur->counter = counter_event_id;
// Increase by 2 since we will also create an SVET_ANY event from cur,
// which will have a counter_id of cur + 1 (and thus gets processed
// after cur).
counter_event_id += 2;
// In case of an SVET_EXIT event, quit the whole application.
if (ev_type == SVET_EXIT) { ScrollView::Exit(); }
// Place two copies of it in the table for the window.
cur->window->SetEvent(cur);
// Check if any of the threads currently waiting want it.
std::pair<ScrollView*, SVEventType> awaiting_list(cur->window,
cur->type);
std::pair<ScrollView*, SVEventType> awaiting_list_any(cur->window,
SVET_ANY);
std::pair<ScrollView*, SVEventType> awaiting_list_any_window((ScrollView*)0,
SVET_ANY);
waiting_for_events_mu->Lock();
if (waiting_for_events.count(awaiting_list) > 0) {
waiting_for_events[awaiting_list].second = cur;
waiting_for_events[awaiting_list].first->Signal();
} else if (waiting_for_events.count(awaiting_list_any) > 0) {
waiting_for_events[awaiting_list_any].second = cur;
waiting_for_events[awaiting_list_any].first->Signal();
} else if (waiting_for_events.count(awaiting_list_any_window) > 0) {
waiting_for_events[awaiting_list_any_window].second = cur;
waiting_for_events[awaiting_list_any_window].first->Signal();
} else {
// No one wanted it, so delete it.
delete cur;
}
waiting_for_events_mu->Unlock();
// Signal the corresponding semaphore twice (for both copies).
ScrollView* sv = svmap[window_id];
if (sv != NULL) {
sv->Signal();
sv->Signal();
}
} else {
delete cur; // Applied to no window.
}
svmap_mu->Unlock();
// Wait until a new message appears in the input stream_.
do {
message = ScrollView::GetStream()->Receive();
} while (message == NULL);
}
return 0;
}
// Table to implement the color index values in the old system.
int table_colors[ScrollView::GREEN_YELLOW+1][4]= {
{0, 0, 0, 0}, // NONE (transparent)
{0, 0, 0, 255}, // BLACK.
{255, 255, 255, 255}, // WHITE.
{255, 0, 0, 255}, // RED.
{255, 255, 0, 255}, // YELLOW.
{0, 255, 0, 255}, // GREEN.
{0, 255, 255, 255}, // CYAN.
{0, 0, 255, 255}, // BLUE.
{255, 0, 255, 255}, // MAGENTA.
{0, 128, 255, 255}, // AQUAMARINE.
{0, 0, 64, 255}, // DARK_SLATE_BLUE.
{128, 128, 255, 255}, // LIGHT_BLUE.
{64, 64, 255, 255}, // MEDIUM_BLUE.
{0, 0, 32, 255}, // MIDNIGHT_BLUE.
{0, 0, 128, 255}, // NAVY_BLUE.
{192, 192, 255, 255}, // SKY_BLUE.
{64, 64, 128, 255}, // SLATE_BLUE.
{32, 32, 64, 255}, // STEEL_BLUE.
{255, 128, 128, 255}, // CORAL.
{128, 64, 0, 255}, // BROWN.
{128, 128, 0, 255}, // SANDY_BROWN.
{192, 192, 0, 255}, // GOLD.
{192, 192, 128, 255}, // GOLDENROD.
{0, 64, 0, 255}, // DARK_GREEN.
{32, 64, 0, 255}, // DARK_OLIVE_GREEN.
{64, 128, 0, 255}, // FOREST_GREEN.
{128, 255, 0, 255}, // LIME_GREEN.
{192, 255, 192, 255}, // PALE_GREEN.
{192, 255, 0, 255}, // YELLOW_GREEN.
{192, 192, 192, 255}, // LIGHT_GREY.
{64, 64, 128, 255}, // DARK_SLATE_GREY.
{64, 64, 64, 255}, // DIM_GREY.
{128, 128, 128, 255}, // GREY.
{64, 192, 0, 255}, // KHAKI.
{255, 0, 192, 255}, // MAROON.
{255, 128, 0, 255}, // ORANGE.
{255, 128, 64, 255}, // ORCHID.
{255, 192, 192, 255}, // PINK.
{128, 0, 128, 255}, // PLUM.
{255, 0, 64, 255}, // INDIAN_RED.
{255, 64, 0, 255}, // ORANGE_RED.
{255, 0, 192, 255}, // VIOLET_RED.
{255, 192, 128, 255}, // SALMON.
{128, 128, 0, 255}, // TAN.
{0, 255, 255, 255}, // TURQUOISE.
{0, 128, 128, 255}, // DARK_TURQUOISE.
{192, 0, 255, 255}, // VIOLET.
{128, 128, 0, 255}, // WHEAT.
{128, 255, 0, 255} // GREEN_YELLOW
};
/*******************************************************************************
* Scrollview implementation.
*******************************************************************************/
SVNetwork* ScrollView::stream_ = NULL;
int ScrollView::nr_created_windows_ = 0;
int ScrollView::image_index_ = 0;
/// Calls Initialize with all arguments given.
ScrollView::ScrollView(const char* name, int x_pos, int y_pos, int x_size,
int y_size, int x_canvas_size, int y_canvas_size,
bool y_axis_reversed, const char* server_name) {
Initialize(name, x_pos, y_pos, x_size, y_size, x_canvas_size, y_canvas_size,
y_axis_reversed, server_name);}
/// Calls Initialize with default argument for server_name_.
ScrollView::ScrollView(const char* name, int x_pos, int y_pos, int x_size,
int y_size, int x_canvas_size, int y_canvas_size,
bool y_axis_reversed) {
Initialize(name, x_pos, y_pos, x_size, y_size, x_canvas_size, y_canvas_size,
y_axis_reversed, "localhost");
}
/// Calls Initialize with default argument for server_name_ & y_axis_reversed.
ScrollView::ScrollView(const char* name, int x_pos, int y_pos, int x_size,
int y_size, int x_canvas_size, int y_canvas_size) {
Initialize(name, x_pos, y_pos, x_size, y_size, x_canvas_size, y_canvas_size,
false, "localhost");
}
/// Sets up a ScrollView window, depending on the constructor variables.
void ScrollView::Initialize(const char* name, int x_pos, int y_pos, int x_size,
int y_size, int x_canvas_size, int y_canvas_size,
bool y_axis_reversed, const char* server_name) {
// If this is the first ScrollView Window which gets created, there is no
// network connection yet and we have to set it up in a different thread.
if (stream_ == NULL) {
nr_created_windows_ = 0;
stream_ = new SVNetwork(server_name, kSvPort);
waiting_for_events_mu = new SVMutex();
svmap_mu = new SVMutex();
SendRawMessage(
"svmain = luajava.bindClass('com.google.scrollview.ScrollView')\n");
SVSync::StartThread(MessageReceiver, NULL);
}
// Set up the variables on the clientside.
nr_created_windows_++;
event_handler_ = NULL;
event_handler_ended_ = false;
y_axis_is_reversed_ = y_axis_reversed;
y_size_ = y_canvas_size;
window_name_ = name;
window_id_ = nr_created_windows_;
// Set up polygon buffering.
points_ = new SVPolyLineBuffer;
points_->empty = true;
svmap_mu->Lock();
svmap[window_id_] = this;
svmap_mu->Unlock();
for (int i = 0; i < SVET_COUNT; i++) {
event_table_[i] = NULL;
}
mutex_ = new SVMutex();
semaphore_ = new SVSemaphore();
// Set up an actual Window on the client side.
char message[kMaxMsgSize];
snprintf(message, sizeof(message),
"w%u = luajava.newInstance('com.google.scrollview.ui"
".SVWindow','%s',%u,%u,%u,%u,%u,%u,%u)\n",
window_id_, window_name_, window_id_,
x_pos, y_pos, x_size, y_size, x_canvas_size, y_canvas_size);
SendRawMessage(message);
SVSync::StartThread(StartEventHandler, this);
}
/// Sits and waits for events on this window.
void* ScrollView::StartEventHandler(void* a) {
ScrollView* sv = reinterpret_cast<ScrollView*>(a);
SVEvent* new_event;
do {
stream_->Flush();
sv->semaphore_->Wait();
new_event = NULL;
int serial = -1;
int k = -1;
sv->mutex_->Lock();
// Check every table entry if he is is valid and not already processed.
for (int i = 0; i < SVET_COUNT; i++) {
if (sv->event_table_[i] != NULL &&
(serial < 0 || sv->event_table_[i]->counter < serial)) {
new_event = sv->event_table_[i];
serial = sv->event_table_[i]->counter;
k = i;
}
}
// If we didnt find anything we had an old alarm and just sleep again.
if (new_event != NULL) {
sv->event_table_[k] = NULL;
sv->mutex_->Unlock();
if (sv->event_handler_ != NULL) { sv->event_handler_->Notify(new_event); }
if (new_event->type == SVET_DESTROY) {
// Signal the destructor that it is safe to terminate.
sv->event_handler_ended_ = true;
sv = NULL;
}
delete new_event; // Delete the pointer after it has been processed.
} else { sv->mutex_->Unlock(); }
// The thread should run as long as its associated window is alive.
} while (sv != NULL);
return 0;
}
#endif // GRAPHICS_DISABLED
ScrollView::~ScrollView() {
#ifndef GRAPHICS_DISABLED
svmap_mu->Lock();
if (svmap[window_id_] != NULL) {
svmap_mu->Unlock();
// So the event handling thread can quit.
SendMsg("destroy()");
SVEvent* sve = AwaitEvent(SVET_DESTROY);
delete sve;
svmap_mu->Lock();
svmap[window_id_] = NULL;
svmap_mu->Unlock();
// The event handler thread for this window *must* receive the
// destroy event and set its pointer to this to NULL before we allow
// the destructor to exit.
while (!event_handler_ended_)
Update();
} else {
svmap_mu->Unlock();
}
delete mutex_;
delete semaphore_;
delete points_;
for (int i = 0; i < SVET_COUNT; i++) {
delete event_table_[i];
}
#endif // GRAPHICS_DISABLED
}
#ifndef GRAPHICS_DISABLED
/// Send a message to the server, attaching the window id.
void ScrollView::SendMsg(const char* format, ...) {
if (!points_->empty)
SendPolygon();
va_list args;
char message[kMaxMsgSize];
va_start(args, format); // variable list
vsnprintf(message, kMaxMsgSize, format, args);
va_end(args);
char form[kMaxMsgSize];
snprintf(form, kMaxMsgSize, "w%u:%s\n", window_id_, message);
stream_->Send(form);
}
/// Send a message to the server without a
/// window id. Used for global events like exit().
void ScrollView::SendRawMessage(const char* msg) {
stream_->Send(msg);
}
/// Add an Event Listener to this ScrollView Window
void ScrollView::AddEventHandler(SVEventHandler* listener) {
event_handler_ = listener;
}
void ScrollView::Signal() {
semaphore_->Signal();
}
void ScrollView::SetEvent(SVEvent* svevent) {
// Copy event
SVEvent* any = svevent->copy();
SVEvent* specific = svevent->copy();
any->counter = specific->counter + 1;
// Place both events into the queue.
mutex_->Lock();
// Delete the old objects..
if (event_table_[specific->type] != NULL) {
delete event_table_[specific->type]; }
if (event_table_[SVET_ANY] != NULL) {
delete event_table_[SVET_ANY]; }
// ...and put the new ones in the table.
event_table_[specific->type] = specific;
event_table_[SVET_ANY] = any;
mutex_->Unlock();
}
/// Block until an event of the given type is received.
/// Note: The calling function is responsible for deleting the returned
/// SVEvent afterwards!
SVEvent* ScrollView::AwaitEvent(SVEventType type) {
// Initialize the waiting semaphore.
SVSemaphore* sem = new SVSemaphore();
std::pair<ScrollView*, SVEventType> ea(this, type);
waiting_for_events_mu->Lock();
waiting_for_events[ea] = std::pair<SVSemaphore*, SVEvent*> (sem, (SVEvent*)0);
waiting_for_events_mu->Unlock();
// Wait on it, but first flush.
stream_->Flush();
sem->Wait();
// Process the event we got woken up for (its in waiting_for_events pair).
waiting_for_events_mu->Lock();
SVEvent* ret = waiting_for_events[ea].second;
waiting_for_events.erase(ea);
delete sem;
waiting_for_events_mu->Unlock();
return ret;
}
// Block until any event on any window is received.
// No event is returned here!
SVEvent* ScrollView::AwaitEventAnyWindow() {
// Initialize the waiting semaphore.
SVSemaphore* sem = new SVSemaphore();
std::pair<ScrollView*, SVEventType> ea((ScrollView*)0, SVET_ANY);
waiting_for_events_mu->Lock();
waiting_for_events[ea] = std::pair<SVSemaphore*, SVEvent*> (sem, (SVEvent*)0);
waiting_for_events_mu->Unlock();
// Wait on it.
stream_->Flush();
sem->Wait();
// Process the event we got woken up for (its in waiting_for_events pair).
waiting_for_events_mu->Lock();
SVEvent* ret = waiting_for_events[ea].second;
waiting_for_events.erase(ea);
waiting_for_events_mu->Unlock();
return ret;
}
// Send the current buffered polygon (if any) and clear it.
void ScrollView::SendPolygon() {
if (!points_->empty) {
points_->empty = true; // Allows us to use SendMsg.
int length = points_->xcoords.size();
// length == 1 corresponds to 2 SetCursors in a row and only the
// last setCursor has any effect.
if (length == 2) {
// An isolated line!
SendMsg("drawLine(%d,%d,%d,%d)",
points_->xcoords[0], points_->ycoords[0],
points_->xcoords[1], points_->ycoords[1]);
} else if (length > 2) {
// A polyline.
SendMsg("createPolyline(%d)", length);
char coordpair[kMaxIntPairSize];
std::string decimal_coords;
for (int i = 0; i < length; ++i) {
snprintf(coordpair, kMaxIntPairSize, "%d,%d,",
points_->xcoords[i], points_->ycoords[i]);
decimal_coords += coordpair;
}
decimal_coords += '\n';
SendRawMessage(decimal_coords.c_str());
SendMsg("drawPolyline()");
}
points_->xcoords.clear();
points_->ycoords.clear();
}
}
/*******************************************************************************
* LUA "API" functions.
*******************************************************************************/
// Sets the position from which to draw to (x,y).
void ScrollView::SetCursor(int x, int y) {
SendPolygon();
DrawTo(x, y);
}
// Draws from the current position to (x,y) and sets the new position to it.
void ScrollView::DrawTo(int x, int y) {
points_->xcoords.push_back(x);
points_->ycoords.push_back(TranslateYCoordinate(y));
points_->empty = false;
}
// Draw a line using the current pen color.
void ScrollView::Line(int x1, int y1, int x2, int y2) {
if (!points_->xcoords.empty() && x1 == points_->xcoords.back() &&
TranslateYCoordinate(y1) == points_->ycoords.back()) {
// We are already at x1, y1, so just draw to x2, y2.
DrawTo(x2, y2);
} else if (!points_->xcoords.empty() && x2 == points_->xcoords.back() &&
TranslateYCoordinate(y2) == points_->ycoords.back()) {
// We are already at x2, y2, so just draw to x1, y1.
DrawTo(x1, y1);
} else {
// This is a new line.
SetCursor(x1, y1);
DrawTo(x2, y2);
}
}
// Set the visibility of the window.
void ScrollView::SetVisible(bool visible) {
if (visible) { SendMsg("setVisible(true)");
} else { SendMsg("setVisible(false)"); }
}
// Set the alwaysOnTop flag.
void ScrollView::AlwaysOnTop(bool b) {
if (b) { SendMsg("setAlwaysOnTop(true)");
} else { SendMsg("setAlwaysOnTop(false)"); }
}
// Adds a message entry to the message box.
void ScrollView::AddMessage(const char* format, ...) {
va_list args;
char message[kMaxMsgSize];
char form[kMaxMsgSize];
va_start(args, format); // variable list
vsnprintf(message, kMaxMsgSize, format, args);
va_end(args);
snprintf(form, kMaxMsgSize, "w%u:%s", window_id_, message);
char* esc = AddEscapeChars(form);
SendMsg("addMessage(\"%s\")", esc);
delete[] esc;
}
// Set a messagebox.
void ScrollView::AddMessageBox() {
SendMsg("addMessageBox()");
}
// Exit the client completely (and notify the server of it).
void ScrollView::Exit() {
SendRawMessage("svmain:exit()");
exit(0);
}
// Clear the canvas.
void ScrollView::Clear() {
SendMsg("clear()");
}
// Set the stroke width.
void ScrollView::Stroke(float width) {
SendMsg("setStrokeWidth(%f)", width);
}
// Draw a rectangle using the current pen color.
// The rectangle is filled with the current brush color.
void ScrollView::Rectangle(int x1, int y1, int x2, int y2) {
if (x1 == x2 && y1 == y2)
return; // Scrollviewer locks up.
SendMsg("drawRectangle(%d,%d,%d,%d)",
x1, TranslateYCoordinate(y1), x2, TranslateYCoordinate(y2));
}
// Draw an ellipse using the current pen color.
// The ellipse is filled with the current brush color.
void ScrollView::Ellipse(int x1, int y1, int width, int height) {
SendMsg("drawEllipse(%d,%d,%u,%u)",
x1, TranslateYCoordinate(y1), width, height);
}
// Set the pen color to the given RGB values.
void ScrollView::Pen(int red, int green, int blue) {
SendMsg("pen(%d,%d,%d)", red, green, blue);
}
// Set the pen color to the given RGB values.
void ScrollView::Pen(int red, int green, int blue, int alpha) {
SendMsg("pen(%d,%d,%d,%d)", red, green, blue, alpha);
}
// Set the brush color to the given RGB values.
void ScrollView::Brush(int red, int green, int blue) {
SendMsg("brush(%d,%d,%d)", red, green, blue);
}
// Set the brush color to the given RGB values.
void ScrollView::Brush(int red, int green, int blue, int alpha) {
SendMsg("brush(%d,%d,%d,%d)", red, green, blue, alpha);
}
// Set the attributes for future Text(..) calls.
void ScrollView::TextAttributes(const char* font, int pixel_size,
bool bold, bool italic, bool underlined) {
const char* b;
const char* i;
const char* u;
if (bold) { b = "true";
} else { b = "false"; }
if (italic) { i = "true";
} else { i = "false"; }
if (underlined) { u = "true";
} else { u = "false"; }
SendMsg("textAttributes('%s',%u,%s,%s,%s)", font, pixel_size,
b, i, u);
}
// Draw text at the given coordinates.
void ScrollView::Text(int x, int y, const char* mystring) {
SendMsg("drawText(%d,%d,'%s')", x, TranslateYCoordinate(y), mystring);
}
// Open and draw an image given a name at (x,y).
void ScrollView::Image(const char* image, int x_pos, int y_pos) {
SendMsg("openImage('%s')", image);
SendMsg("drawImage('%s',%d,%d)",
image, x_pos, TranslateYCoordinate(y_pos));
}
// Add new checkboxmenuentry to menubar.
void ScrollView::MenuItem(const char* parent, const char* name,
int cmdEvent, bool flag) {
if (parent == NULL) { parent = ""; }
if (flag) { SendMsg("addMenuBarItem('%s','%s',%d,true)",
parent, name, cmdEvent);
} else { SendMsg("addMenuBarItem('%s','%s',%d,false)",
parent, name, cmdEvent); }
}
// Add new menuentry to menubar.
void ScrollView::MenuItem(const char* parent, const char* name, int cmdEvent) {
if (parent == NULL) { parent = ""; }
SendMsg("addMenuBarItem('%s','%s',%d)", parent, name, cmdEvent);
}
// Add new submenu to menubar.
void ScrollView::MenuItem(const char* parent, const char* name) {
if (parent == NULL) { parent = ""; }
SendMsg("addMenuBarItem('%s','%s')", parent, name);
}
// Add new submenu to popupmenu.
void ScrollView::PopupItem(const char* parent, const char* name) {
if (parent == NULL) { parent = ""; }
SendMsg("addPopupMenuItem('%s','%s')", parent, name);
}
// Add new submenuentry to popupmenu.
void ScrollView::PopupItem(const char* parent, const char* name,
int cmdEvent, const char* value, const char* desc) {
if (parent == NULL) { parent = ""; }
char* esc = AddEscapeChars(value);
char* esc2 = AddEscapeChars(desc);
SendMsg("addPopupMenuItem('%s','%s',%d,'%s','%s')", parent, name,
cmdEvent, esc, esc2);
delete[] esc;
delete[] esc2;
}
// Send an update message for a single window.
void ScrollView::UpdateWindow() {
SendMsg("update()");
}
// Note: this is an update to all windows
void ScrollView::Update() {
svmap_mu->Lock();
for (std::map<int, ScrollView*>::iterator iter = svmap.begin();
iter != svmap.end(); ++iter) {
if (iter->second != NULL)
iter->second->UpdateWindow();
}
svmap_mu->Unlock();
}
// Set the pen color, using an enum value (e.g. ScrollView::ORANGE)
void ScrollView::Pen(Color color) {
Pen(table_colors[color][0], table_colors[color][1],
table_colors[color][2], table_colors[color][3]);
}
// Set the brush color, using an enum value (e.g. ScrollView::ORANGE)
void ScrollView::Brush(Color color) {
Brush(table_colors[color][0],
table_colors[color][1],
table_colors[color][2],
table_colors[color][3]);
}
// Shows a modal Input Dialog which can return any kind of String
char* ScrollView::ShowInputDialog(const char* msg) {
SendMsg("showInputDialog(\"%s\")", msg);
SVEvent* ev;
// wait till an input event (all others are thrown away)
ev = AwaitEvent(SVET_INPUT);
char* p = new char[strlen(ev->parameter) + 1];
strncpy(p, ev->parameter, strlen(ev->parameter));
p[strlen(ev->parameter)] = '\0';
delete ev;
return p;
}
// Shows a modal Yes/No Dialog which will return 'y' or 'n'
int ScrollView::ShowYesNoDialog(const char* msg) {
SendMsg("showYesNoDialog(\"%s\")", msg);
SVEvent* ev;
// Wait till an input event (all others are thrown away)
ev = AwaitEvent(SVET_INPUT);
int a = ev->parameter[0];
delete ev;
return a;
}
// Zoom the window to the rectangle given upper left corner and
// lower right corner.
void ScrollView::ZoomToRectangle(int x1, int y1, int x2, int y2) {
y1 = TranslateYCoordinate(y1);
y2 = TranslateYCoordinate(y2);
SendMsg("zoomRectangle(%d,%d,%d,%d)",
MIN(x1, x2), MIN(y1, y2), MAX(x1, x2), MAX(y1, y2));
}
// Send an image of type Pix.
void ScrollView::Image(struct Pix* image, int x_pos, int y_pos) {
l_uint8* data;
size_t size;
pixWriteMem(&data, &size, image, IFF_PNG);
int base64_len = (size + 2) / 3 * 4;
y_pos = TranslateYCoordinate(y_pos);
SendMsg("readImage(%d,%d,%d)", x_pos, y_pos, base64_len);
// Base64 encode the data.
const char kBase64Table[64] = {
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
'w', 'x', 'y', 'z', '0', '1', '2', '3',
'4', '5', '6', '7', '8', '9', '+', '/',
};
char* base64 = new char[base64_len + 1];
memset(base64, '=', base64_len);
base64[base64_len] = '\0';
int remainder = 0;
int bits_left = 0;
int code_len = 0;
for (int i = 0; i < size; ++i) {
int code = (data[i] >> (bits_left + 2)) | remainder;
base64[code_len++] = kBase64Table[code & 63];
bits_left += 2;
remainder = data[i] << (6 - bits_left);
if (bits_left == 6) {
base64[code_len++] = kBase64Table[remainder & 63];
bits_left = 0;
remainder = 0;
}
}
if (bits_left > 0)
base64[code_len++] = kBase64Table[remainder & 63];
SendRawMessage(base64);
delete [] base64;
free(data);
}
// Escapes the ' character with a \, so it can be processed by LUA.
// Note: The caller will have to make sure he deletes the newly allocated item.
char* ScrollView::AddEscapeChars(const char* input) {
const char* nextptr = strchr(input, '\'');
const char* lastptr = input;
char* message = new char[kMaxMsgSize];
int pos = 0;
while (nextptr != NULL) {
strncpy(message+pos, lastptr, nextptr-lastptr);
pos += nextptr - lastptr;
message[pos] = '\\';
pos += 1;
lastptr = nextptr;
nextptr = strchr(nextptr+1, '\'');
}
strncpy(message+pos, lastptr, strlen(lastptr));
message[pos+strlen(lastptr)] = '\0';
return message;
}
// Inverse the Y axis if the coordinates are actually inversed.
int ScrollView::TranslateYCoordinate(int y) {
if (!y_axis_is_reversed_) { return y;
} else { return y_size_ - y; }
}
#endif // GRAPHICS_DISABLED
| 1080228-arabicocr11 | viewer/scrollview.cpp | C++ | asf20 | 28,003 |
///////////////////////////////////////////////////////////////////////
// File: svutil.cpp
// Description: ScrollView Utilities
// Author: Joern Wanke
// Created: Thu Nov 29 2007
//
// (C) Copyright 2007, Google Inc.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
///////////////////////////////////////////////////////////////////////
//
// SVUtil contains the SVSync and SVNetwork classes, which are used for
// thread/process creation & synchronization and network connection.
#include <stdio.h>
#ifdef _WIN32
struct addrinfo {
struct sockaddr* ai_addr;
int ai_addrlen;
int ai_family;
int ai_socktype;
int ai_protocol;
};
#else
#include <arpa/inet.h>
#include <netinet/in.h>
#include <pthread.h>
#include <semaphore.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include <netdb.h>
#include <sys/socket.h>
#ifdef __linux__
#include <sys/prctl.h>
#endif
#include <unistd.h>
#endif
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <string>
// Include automatically generated configuration file if running autoconf.
#ifdef HAVE_CONFIG_H
#include "config_auto.h"
#endif
#ifndef GRAPHICS_DISABLED
#include "svutil.h"
const int kBufferSize = 65536;
const int kMaxMsgSize = 4096;
// Signals a thread to exit.
void SVSync::ExitThread() {
#ifdef _WIN32
// ExitThread(0);
#else
pthread_exit(0);
#endif
}
// Starts a new process.
void SVSync::StartProcess(const char* executable, const char* args) {
std::string proc;
proc.append(executable);
proc.append(" ");
proc.append(args);
std::cout << "Starting " << proc << std::endl;
#ifdef _WIN32
STARTUPINFO start_info;
PROCESS_INFORMATION proc_info;
GetStartupInfo(&start_info);
if (!CreateProcess(NULL, const_cast<char*>(proc.c_str()), NULL, NULL, FALSE,
CREATE_NO_WINDOW | DETACHED_PROCESS, NULL, NULL,
&start_info, &proc_info))
return;
#else
int pid = fork();
if (pid != 0) { // The father process returns
} else {
#ifdef __linux__
// Make sure the java process terminates on exit, since its
// broken socket detection seems to be useless.
prctl(PR_SET_PDEATHSIG, 2, 0, 0, 0);
#endif
char* mutable_args = strdup(args);
int argc = 1;
for (int i = 0; mutable_args[i]; ++i) {
if (mutable_args[i] == ' ') {
++argc;
}
}
char** argv = new char*[argc + 2];
argv[0] = strdup(executable);
argv[1] = mutable_args;
argc = 2;
bool inquote = false;
for (int i = 0; mutable_args[i]; ++i) {
if (!inquote && mutable_args[i] == ' ') {
mutable_args[i] = '\0';
argv[argc++] = mutable_args + i + 1;
} else if (mutable_args[i] == '"') {
inquote = !inquote;
mutable_args[i] = ' ';
}
}
argv[argc] = NULL;
execvp(executable, argv);
}
#endif
}
SVSemaphore::SVSemaphore() {
#ifdef _WIN32
semaphore_ = CreateSemaphore(0, 0, 10, 0);
#elif defined(__APPLE__)
char name[50];
snprintf(name, sizeof(name), "%d", random());
sem_unlink(name);
semaphore_ = sem_open(name, O_CREAT , S_IWUSR, 0);
if (semaphore_ == SEM_FAILED) {
perror("sem_open");
}
#else
sem_init(&semaphore_, 0, 0);
#endif
}
void SVSemaphore::Signal() {
#ifdef _WIN32
ReleaseSemaphore(semaphore_, 1, NULL);
#elif defined(__APPLE__)
sem_post(semaphore_);
#else
sem_post(&semaphore_);
#endif
}
void SVSemaphore::Wait() {
#ifdef _WIN32
WaitForSingleObject(semaphore_, INFINITE);
#elif defined(__APPLE__)
sem_wait(semaphore_);
#else
sem_wait(&semaphore_);
#endif
}
SVMutex::SVMutex() {
#ifdef _WIN32
mutex_ = CreateMutex(0, FALSE, 0);
#else
pthread_mutex_init(&mutex_, NULL);
#endif
}
void SVMutex::Lock() {
#ifdef _WIN32
WaitForSingleObject(mutex_, INFINITE);
#else
pthread_mutex_lock(&mutex_);
#endif
}
void SVMutex::Unlock() {
#ifdef _WIN32
ReleaseMutex(mutex_);
#else
pthread_mutex_unlock(&mutex_);
#endif
}
// Create new thread.
void SVSync::StartThread(void *(*func)(void*), void* arg) {
#ifdef _WIN32
LPTHREAD_START_ROUTINE f = (LPTHREAD_START_ROUTINE) func;
DWORD threadid;
HANDLE newthread = CreateThread(
NULL, // default security attributes
0, // use default stack size
f, // thread function
arg, // argument to thread function
0, // use default creation flags
&threadid); // returns the thread identifier
#else
pthread_t helper;
pthread_create(&helper, NULL, func, arg);
#endif
}
// Place a message in the message buffer (and flush it).
void SVNetwork::Send(const char* msg) {
mutex_send_->Lock();
msg_buffer_out_.append(msg);
mutex_send_->Unlock();
}
// Send the whole buffer.
void SVNetwork::Flush() {
mutex_send_->Lock();
while (msg_buffer_out_.size() > 0) {
int i = send(stream_, msg_buffer_out_.c_str(), msg_buffer_out_.length(), 0);
msg_buffer_out_.erase(0, i);
}
mutex_send_->Unlock();
}
// Receive a message from the server.
// This will always return one line of char* (denoted by \n).
char* SVNetwork::Receive() {
char* result = NULL;
#if defined(_WIN32) || defined(__CYGWIN__)
if (has_content) { result = strtok (NULL, "\n"); }
#else
if (buffer_ptr_ != NULL) { result = strtok_r(NULL, "\n", &buffer_ptr_); }
#endif
// This means there is something left in the buffer and we return it.
if (result != NULL) { return result;
// Otherwise, we read from the stream_.
} else {
buffer_ptr_ = NULL;
has_content = false;
// The timeout length is not really important since we are looping anyway
// until a new message is delivered.
struct timeval tv;
tv.tv_sec = 10;
tv.tv_usec = 0;
// Set the flags to return when the stream_ is ready to be read.
fd_set readfds;
FD_ZERO(&readfds);
FD_SET(stream_, &readfds);
int i = select(stream_+1, &readfds, NULL, NULL, &tv);
// The stream_ died.
if (i == 0) { return NULL; }
// Read the message buffer.
i = recv(stream_, msg_buffer_in_, kMaxMsgSize, 0);
// Server quit (0) or error (-1).
if (i <= 0) { return NULL; }
msg_buffer_in_[i] = '\0';
has_content = true;
#ifdef _WIN32
return strtok(msg_buffer_in_, "\n");
#else
// Setup a new string tokenizer.
return strtok_r(msg_buffer_in_, "\n", &buffer_ptr_);
#endif
}
}
// Close the connection to the server.
void SVNetwork::Close() {
#ifdef _WIN32
closesocket(stream_);
#else
close(stream_);
#endif
}
// The program to invoke to start ScrollView
static const char* ScrollViewProg() {
#ifdef _WIN32
const char* prog = "java -Xms512m -Xmx1024m";
#else
const char* prog = "sh";
#endif
return prog;
}
// The arguments to the program to invoke to start ScrollView
static std::string ScrollViewCommand(std::string scrollview_path) {
// The following ugly ifdef is to enable the output of the java runtime
// to be sent down a black hole on non-windows to ignore all the
// exceptions in piccolo. Ideally piccolo would be debugged to make
// this unnecessary.
// Also the path has to be separated by ; on windows and : otherwise.
#ifdef _WIN32
const char* cmd_template = "-Djava.library.path=%s -cp %s/ScrollView.jar;"
"%s/piccolo2d-core-3.0.jar:%s/piccolo2d-extras-3.0.jar"
" com.google.scrollview.ScrollView";
#else
const char* cmd_template = "-c \"trap 'kill %%1' 0 1 2 ; java "
"-Xms1024m -Xmx2048m -Djava.library.path=%s -cp %s/ScrollView.jar:"
"%s/piccolo2d-core-3.0.jar:%s/piccolo2d-extras-3.0.jar"
" com.google.scrollview.ScrollView"
" & wait\"";
#endif
int cmdlen = strlen(cmd_template) + 4*strlen(scrollview_path.c_str()) + 1;
char* cmd = new char[cmdlen];
const char* sv_path = scrollview_path.c_str();
snprintf(cmd, cmdlen, cmd_template, sv_path, sv_path, sv_path, sv_path);
std::string command(cmd);
delete [] cmd;
return command;
}
// Platform-independent freeaddrinfo()
static void FreeAddrInfo(struct addrinfo* addr_info) {
#if defined(__linux__)
freeaddrinfo(addr_info);
#else
delete addr_info->ai_addr;
delete addr_info;
#endif
}
// Non-linux version of getaddrinfo()
#if !defined(__linux__)
static int GetAddrInfoNonLinux(const char* hostname, int port,
struct addrinfo** addr_info) {
// Get the host data depending on the OS.
struct sockaddr_in* address;
*addr_info = new struct addrinfo;
memset(*addr_info, 0, sizeof(struct addrinfo));
address = new struct sockaddr_in;
memset(address, 0, sizeof(struct sockaddr_in));
(*addr_info)->ai_addr = (struct sockaddr*) address;
(*addr_info)->ai_addrlen = sizeof(struct sockaddr);
(*addr_info)->ai_family = AF_INET;
(*addr_info)->ai_socktype = SOCK_STREAM;
struct hostent *name;
#ifdef _WIN32
WSADATA wsaData;
WSAStartup(MAKEWORD(1, 1), &wsaData);
name = gethostbyname(hostname);
#else
name = gethostbyname(hostname);
#endif
if (name == NULL) {
FreeAddrInfo(*addr_info);
*addr_info = NULL;
return -1;
}
// Fill in the appropriate variables to be able to connect to the server.
address->sin_family = name->h_addrtype;
memcpy((char *) &address->sin_addr.s_addr,
name->h_addr_list[0], name->h_length);
address->sin_port = htons(port);
return 0;
}
#endif
// Platform independent version of getaddrinfo()
// Given a hostname:port, produce an addrinfo struct
static int GetAddrInfo(const char* hostname, int port,
struct addrinfo** address) {
#if defined(__linux__)
char port_str[40];
snprintf(port_str, 40, "%d", port);
return getaddrinfo(hostname, port_str, NULL, address);
#else
return GetAddrInfoNonLinux(hostname, port, address);
#endif
}
// Set up a connection to a ScrollView on hostname:port.
SVNetwork::SVNetwork(const char* hostname, int port) {
mutex_send_ = new SVMutex();
msg_buffer_in_ = new char[kMaxMsgSize + 1];
msg_buffer_in_[0] = '\0';
has_content = false;
buffer_ptr_ = NULL;
struct addrinfo *addr_info = NULL;
if (GetAddrInfo(hostname, port, &addr_info) != 0) {
std::cerr << "Error resolving name for ScrollView host "
<< std::string(hostname) << ":" << port << std::endl;
}
stream_ = socket(addr_info->ai_family, addr_info->ai_socktype,
addr_info->ai_protocol);
// If server is not there, we will start a new server as local child process.
if (connect(stream_, addr_info->ai_addr, addr_info->ai_addrlen) < 0) {
const char* scrollview_path = getenv("SCROLLVIEW_PATH");
if (scrollview_path == NULL) {
#ifdef SCROLLVIEW_PATH
#define _STR(a) #a
#define _XSTR(a) _STR(a)
scrollview_path = _XSTR(SCROLLVIEW_PATH);
#undef _XSTR
#undef _STR
#else
scrollview_path = ".";
#endif
}
const char *prog = ScrollViewProg();
std::string command = ScrollViewCommand(scrollview_path);
SVSync::StartProcess(prog, command.c_str());
// Wait for server to show up.
// Note: There is no exception handling in case the server never turns up.
stream_ = socket(addr_info->ai_family, addr_info->ai_socktype,
addr_info->ai_protocol);
while (connect(stream_, addr_info->ai_addr,
addr_info->ai_addrlen) < 0) {
std::cout << "ScrollView: Waiting for server...\n";
#ifdef _WIN32
Sleep(1000);
#else
sleep(1);
#endif
stream_ = socket(addr_info->ai_family, addr_info->ai_socktype,
addr_info->ai_protocol);
}
}
FreeAddrInfo(addr_info);
}
SVNetwork::~SVNetwork() {
delete[] msg_buffer_in_;
delete mutex_send_;
}
#endif // GRAPHICS_DISABLED
| 1080228-arabicocr11 | viewer/svutil.cpp | C++ | asf20 | 12,033 |
///////////////////////////////////////////////////////////////////////
// File: svutil.h
// Description: ScrollView Utilities
// Author: Joern Wanke
// Created: Thu Nov 29 2007
//
// (C) Copyright 2007, Google Inc.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
///////////////////////////////////////////////////////////////////////
//
// SVUtil contains the SVSync, SVSemaphore, SVMutex and SVNetwork
// classes, which are used for thread/process creation & synchronization
// and network connection.
#ifndef TESSERACT_VIEWER_SVUTIL_H__
#define TESSERACT_VIEWER_SVUTIL_H__
#ifdef _WIN32
#ifndef __GNUC__
#include <windows.h>
#define snprintf _snprintf
#if (_MSC_VER <= 1400)
#define vsnprintf _vsnprintf
#endif
#pragma warning(disable:4786)
#else
#include "platform.h"
#include <windows.h>
#endif
#else
#include <pthread.h>
#include <semaphore.h>
#endif
#include <string>
#ifndef MAX
#define MAX(a, b) ((a > b) ? a : b)
#endif
#ifndef MIN
#define MIN(a, b) ((a < b) ? a : b)
#endif
/// The SVSync class provides functionality for Thread & Process Creation
class SVSync {
public:
/// Create new thread.
static void StartThread(void *(*func)(void*), void* arg);
/// Signals a thread to exit.
static void ExitThread();
/// Starts a new process.
static void StartProcess(const char* executable, const char* args);
};
/// A semaphore class which encapsulates the main signalling
/// and wait abilities of semaphores for windows and unix.
class SVSemaphore {
public:
/// Sets up a semaphore.
SVSemaphore();
/// Signal a semaphore.
void Signal();
/// Wait on a semaphore.
void Wait();
private:
#ifdef _WIN32
HANDLE semaphore_;
#elif defined(__APPLE__)
sem_t *semaphore_;
#else
sem_t semaphore_;
#endif
};
/// A mutex which encapsulates the main locking and unlocking
/// abilites of mutexes for windows and unix.
class SVMutex {
public:
/// Sets up a new mutex.
SVMutex();
/// Locks on a mutex.
void Lock();
/// Unlocks on a mutex.
void Unlock();
private:
#ifdef _WIN32
HANDLE mutex_;
#else
pthread_mutex_t mutex_;
#endif
};
/// The SVNetwork class takes care of the remote connection for ScrollView
/// This means setting up and maintaining a remote connection, sending and
/// receiving messages and closing the connection.
/// It is designed to work on both Linux and Windows.
class SVNetwork {
public:
/// Set up a connection to hostname on port.
SVNetwork(const char* hostname, int port);
/// Destructor.
~SVNetwork();
/// Put a message in the messagebuffer to the server and try to send it.
void Send(const char* msg);
/// Receive a message from the server.
/// This will always return one line of char* (denoted by \n).
char* Receive();
/// Close the connection to the server.
void Close();
/// Flush the buffer.
void Flush();
private:
/// The mutex for access to Send() and Flush().
SVMutex* mutex_send_;
/// The actual stream_ to the server.
int stream_;
/// Stores the last received message-chunk from the server.
char* msg_buffer_in_;
/// Stores the messages which are supposed to go out.
std::string msg_buffer_out_;
bool has_content; // Win32 (strtok)
/// Where we are at in our msg_buffer_in_
char* buffer_ptr_; // Unix (strtok_r)
};
#endif // TESSERACT_VIEWER_SVUTIL_H__
| 1080228-arabicocr11 | viewer/svutil.h | C++ | asf20 | 3,823 |
#!/bin/sh
mkdir dist
mkdir dist/graphchi_v$1
cd dist/graphchi_v$1
hg clone https://code.google.com/p/graphchi/
#rm -rf src/Eigen
find . -name '*.hg' -exec rm -rf {} \;
find . -name '*.dSYM' -exec rm -fr {} \;
cd ..
tar -czf graphchi_src_v$1.tar.gz graphchi_v$1
| 09jijiangwen-download | dist.sh | Shell | asf20 | 266 |
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<li class="navelem"><a class="el" href="namespacegraphchi.html">graphchi</a></li><li class="navelem"><a class="el" href="classgraphchi_1_1spinrwlock.html">spinrwlock</a></li> </ul>
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<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>rdunlock</b>() const (defined in <a class="el" href="classgraphchi_1_1spinrwlock.html">graphchi::spinrwlock</a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1spinrwlock.html">graphchi::spinrwlock</a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>readlock</b>() const (defined in <a class="el" href="classgraphchi_1_1spinrwlock.html">graphchi::spinrwlock</a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1spinrwlock.html">graphchi::spinrwlock</a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>spinrwlock</b>() (defined in <a class="el" href="classgraphchi_1_1spinrwlock.html">graphchi::spinrwlock</a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1spinrwlock.html">graphchi::spinrwlock</a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>unlock</b>() const (defined in <a class="el" href="classgraphchi_1_1spinrwlock.html">graphchi::spinrwlock</a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1spinrwlock.html">graphchi::spinrwlock</a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>writelock</b>() const (defined in <a class="el" href="classgraphchi_1_1spinrwlock.html">graphchi::spinrwlock</a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1spinrwlock.html">graphchi::spinrwlock</a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>wrunlock</b>() const (defined in <a class="el" href="classgraphchi_1_1spinrwlock.html">graphchi::spinrwlock</a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1spinrwlock.html">graphchi::spinrwlock</a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
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| 09jijiangwen-download | docs/html/classgraphchi_1_1spinrwlock-members.html | HTML | asf20 | 7,478 |
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<div class="textblock"><code>#include <cstdio></code><br/>
<code>#include <<a class="el" href="imetrics__reporter_8hpp_source.html">metrics/imetrics_reporter.hpp</a>></code><br/>
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<p><a href="reporters_2html__reporter_8hpp_source.html">Go to the source code of this file.</a></p>
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<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><dl class="section author"><dt>Author:</dt><dd>Aapo Kyrola <a href="#" onclick="location.href='mai'+'lto:'+'aky'+'ro'+'la@'+'cs'+'.cm'+'u.'+'edu'; return false;">akyro<span style="display: none;">.nosp@m.</span>la@c<span style="display: none;">.nosp@m.</span>s.cmu<span style="display: none;">.nosp@m.</span>.edu</a> </dd></dl>
<dl class="section version"><dt>Version:</dt><dd>1.0</dd></dl>
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LICENSE</h1>
<p>Copyright [2012] [Aapo Kyrola, Guy Blelloch, Carlos Guestrin / Carnegie Mellon University]</p>
<p>Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at</p>
<p><a href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a></p>
<p>Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.</p>
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DESCRIPTION</h1>
<p>File metrics reporter. </p>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#ifndef DEF_GRAPHLAB_GAS_API_V2_1</span></div>
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<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>compute_vertexvalue</b>(graphchi_context &ginfo, vertex_info &myvertex, EdgeDataType nbvalsum)=0 (defined in <a class="el" href="structgraphchi_1_1functional__kernel.html">graphchi::functional_kernel< FVertexDataType, FEdgeDataType ></a>)</td><td class="entry"><a class="el" href="structgraphchi_1_1functional__kernel.html">graphchi::functional_kernel< FVertexDataType, FEdgeDataType ></a></td><td class="entry"><span class="mlabel">pure virtual</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>EdgeDataType</b> typedef (defined in <a class="el" href="structgraphchi_1_1functional__kernel.html">graphchi::functional_kernel< FVertexDataType, FEdgeDataType ></a>)</td><td class="entry"><a class="el" href="structgraphchi_1_1functional__kernel.html">graphchi::functional_kernel< FVertexDataType, FEdgeDataType ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>functional_kernel</b>() (defined in <a class="el" href="structgraphchi_1_1functional__kernel.html">graphchi::functional_kernel< FVertexDataType, FEdgeDataType ></a>)</td><td class="entry"><a class="el" href="structgraphchi_1_1functional__kernel.html">graphchi::functional_kernel< FVertexDataType, FEdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>initial_value</b>(graphchi_context &info, vertex_info &myvertex)=0 (defined in <a class="el" href="structgraphchi_1_1functional__kernel.html">graphchi::functional_kernel< FVertexDataType, FEdgeDataType ></a>)</td><td class="entry"><a class="el" href="structgraphchi_1_1functional__kernel.html">graphchi::functional_kernel< FVertexDataType, FEdgeDataType ></a></td><td class="entry"><span class="mlabel">pure virtual</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>op_neighborval</b>(graphchi_context &info, vertex_info &myvertex, vid_t nbid, EdgeDataType nbval)=0 (defined in <a class="el" href="structgraphchi_1_1functional__kernel.html">graphchi::functional_kernel< FVertexDataType, FEdgeDataType ></a>)</td><td class="entry"><a class="el" href="structgraphchi_1_1functional__kernel.html">graphchi::functional_kernel< FVertexDataType, FEdgeDataType ></a></td><td class="entry"><span class="mlabel">pure virtual</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>plus</b>(VertexDataType curval, EdgeDataType toadd)=0 (defined in <a class="el" href="structgraphchi_1_1functional__kernel.html">graphchi::functional_kernel< FVertexDataType, FEdgeDataType ></a>)</td><td class="entry"><a class="el" href="structgraphchi_1_1functional__kernel.html">graphchi::functional_kernel< FVertexDataType, FEdgeDataType ></a></td><td class="entry"><span class="mlabel">pure virtual</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>reset</b>()=0 (defined in <a class="el" href="structgraphchi_1_1functional__kernel.html">graphchi::functional_kernel< FVertexDataType, FEdgeDataType ></a>)</td><td class="entry"><a class="el" href="structgraphchi_1_1functional__kernel.html">graphchi::functional_kernel< FVertexDataType, FEdgeDataType ></a></td><td class="entry"><span class="mlabel">pure virtual</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>value_to_neighbor</b>(graphchi_context &info, vertex_info &myvertex, vid_t nbid, VertexDataType myval)=0 (defined in <a class="el" href="structgraphchi_1_1functional__kernel.html">graphchi::functional_kernel< FVertexDataType, FEdgeDataType ></a>)</td><td class="entry"><a class="el" href="structgraphchi_1_1functional__kernel.html">graphchi::functional_kernel< FVertexDataType, FEdgeDataType ></a></td><td class="entry"><span class="mlabel">pure virtual</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>VertexDataType</b> typedef (defined in <a class="el" href="structgraphchi_1_1functional__kernel.html">graphchi::functional_kernel< FVertexDataType, FEdgeDataType ></a>)</td><td class="entry"><a class="el" href="structgraphchi_1_1functional__kernel.html">graphchi::functional_kernel< FVertexDataType, FEdgeDataType ></a></td><td class="entry"></td></tr>
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 </td><td class="memItemRight" valign="bottom"><b>als_factor_and_weight</b> (float obs)</td></tr>
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Public Attributes</h2></td></tr>
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<a class="el" href="structlatentvec__t.html">latentvec_t</a> </td><td class="memItemRight" valign="bottom"><b>factor</b></td></tr>
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float </td><td class="memItemRight" valign="bottom"><b>weight</b></td></tr>
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<hr/>The documentation for this struct was generated from the following file:<ul>
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<h3><a class="anchor" id="index_g"></a>- g -</h3><ul>
<li>gather()
: <a class="el" href="structgraphlab_1_1ivertex__program.html#a7ad835ddf125627fcedce3a3172428ef">graphlab::ivertex_program< Graph, GatherType, MessageType ></a>
, <a class="el" href="classals__vertex__program.html#ab6263c7cdde54dea2c1cd50b4c732169">als_vertex_program</a>
</li>
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: <a class="el" href="classals__vertex__program.html#aa70153f16b28263ed6112d012d7a3e86">als_vertex_program</a>
, <a class="el" href="structgraphlab_1_1ivertex__program.html#a7b978b86d8c8a47f68f1647b630887f8">graphlab::ivertex_program< Graph, GatherType, MessageType ></a>
</li>
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: <a class="el" href="classgraphlab_1_1icontext.html#ae1699cad574dda8cdb91d639a9c82d9e">graphlab::icontext< GraphType, GatherType, MessageType ></a>
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</li>
<li>get_data()
: <a class="el" href="classgraphchi_1_1graphchi__vertex.html#af5c32eed2ff7753dfd23306ca44d6ce2">graphchi::graphchi_vertex< VertexDataType, EdgeDataType ></a>
</li>
<li>get_info_json()
: <a class="el" href="classgraphchi_1_1graphchi__dynamicgraph__engine.html#aea7e791c76152b1b80948e0c688558f7">graphchi::graphchi_dynamicgraph_engine< VertexDataType, EdgeDataType, svertex_t ></a>
</li>
<li>get_log_file()
: <a class="el" href="classfile__logger.html#ab1ac2156591d7b04d2d1bfbaf3eb4a69">file_logger</a>
</li>
<li>get_log_level()
: <a class="el" href="classfile__logger.html#a7e8dbb4fe48aa0983271e50e00406a2e">file_logger</a>
</li>
<li>get_log_to_console()
: <a class="el" href="classfile__logger.html#acded5e9c6a2b21dfec2c889a9d0e5efd">file_logger</a>
</li>
<li>getQueryString()
: <a class="el" href="classmongoose_1_1_mongoose_request.html#a7ce72e668651fad59a1730e7e4975464">mongoose::MongooseRequest</a>
</li>
<li>grab_adj()
: <a class="el" href="classadjlist__container.html#a01e1226beec003fdff368951031804f9">adjlist_container</a>
</li>
<li>graph_type
: <a class="el" href="classgraphlab_1_1icontext.html#adeea37e06c012067a2ec57cd0d14cbac">graphlab::icontext< GraphType, GatherType, MessageType ></a>
</li>
<li>graphchi_engine()
: <a class="el" href="classgraphchi_1_1graphchi__engine.html#a2aad6b622037d32ab3713d590823cd8e">graphchi::graphchi_engine< VertexDataType, EdgeDataType, svertex_t ></a>
</li>
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Public Member Functions</h2></td></tr>
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 </td><td class="memItemRight" valign="bottom"><b>vertex_data_store</b> (std::string base_filename, size_t nvertices, <a class="el" href="classgraphchi_1_1stripedio.html">stripedio</a> *iomgr)</td></tr>
<tr class="memitem:aab31ef0be78a910572e7ec4ec4edc5df"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aab31ef0be78a910572e7ec4ec4edc5df"></a>
void </td><td class="memItemRight" valign="bottom"><b>check_size</b> (size_t nvertices)</td></tr>
<tr class="memitem:a6da1591d47389d6c6273ee737419683e"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6da1591d47389d6c6273ee737419683e"></a>
void </td><td class="memItemRight" valign="bottom"><b>clear</b> (size_t nvertices)</td></tr>
<tr class="memitem:a4885bac577540a6dcf0be31af0c3572c"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgraphchi_1_1vertex__data__store.html#a4885bac577540a6dcf0be31af0c3572c">load</a> (vid_t _vertex_st, vid_t _vertex_en)</td></tr>
<tr class="memitem:a5f56e9b57bc064c99581ece958cb170c"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgraphchi_1_1vertex__data__store.html#a5f56e9b57bc064c99581ece958cb170c">save</a> (bool async=false)</td></tr>
<tr class="memitem:a548b5d8cf0b7c1fdc358397b06fa315c"><td class="memItemLeft" align="right" valign="top">vid_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classgraphchi_1_1vertex__data__store.html#a548b5d8cf0b7c1fdc358397b06fa315c">first_vertex_id</a> ()</td></tr>
<tr class="memitem:afd56ee0e14864f3eb30c337a4839accd"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="afd56ee0e14864f3eb30c337a4839accd"></a>
<a class="el" href="basic__dynamicengine__smoketest_8cpp.html#acf10237949ab87b83055ff6aa646c565">VertexDataType</a> * </td><td class="memItemRight" valign="bottom"><b>vertex_data_ptr</b> (vid_t vertexid)</td></tr>
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Protected Member Functions</h2></td></tr>
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virtual void </td><td class="memItemRight" valign="bottom"><b>open_file</b> (std::string base_filename)</td></tr>
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Protected Attributes</h2></td></tr>
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<a class="el" href="classgraphchi_1_1stripedio.html">stripedio</a> * </td><td class="memItemRight" valign="bottom"><b>iomgr</b></td></tr>
<tr class="memitem:aad8d3cf88d59855257e28c6e331d41c5"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aad8d3cf88d59855257e28c6e331d41c5"></a>
vid_t </td><td class="memItemRight" valign="bottom"><b>vertex_st</b></td></tr>
<tr class="memitem:a7fd682d4aac2ec7237d1ed41aeb6e425"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7fd682d4aac2ec7237d1ed41aeb6e425"></a>
vid_t </td><td class="memItemRight" valign="bottom"><b>vertex_en</b></td></tr>
<tr class="memitem:aeaa311501479a559a4aa5392195e3e19"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aeaa311501479a559a4aa5392195e3e19"></a>
std::string </td><td class="memItemRight" valign="bottom"><b>filename</b></td></tr>
<tr class="memitem:a6952807705811e79a2c7ac539de4a330"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6952807705811e79a2c7ac539de4a330"></a>
int </td><td class="memItemRight" valign="bottom"><b>filedesc</b></td></tr>
<tr class="memitem:aac0c73c6ee0fca201cc9b54e1a9da2d7"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aac0c73c6ee0fca201cc9b54e1a9da2d7"></a>
<a class="el" href="basic__dynamicengine__smoketest_8cpp.html#acf10237949ab87b83055ff6aa646c565">VertexDataType</a> * </td><td class="memItemRight" valign="bottom"><b>loaded_chunk</b></td></tr>
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<hr/><h2>Member Function Documentation</h2>
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<div class="memtemplate">
template<typename VertexDataType> </div>
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<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">vid_t <a class="el" href="classgraphchi_1_1vertex__data__store.html">graphchi::vertex_data_store</a>< <a class="el" href="basic__dynamicengine__smoketest_8cpp.html#acf10237949ab87b83055ff6aa646c565">VertexDataType</a> >::first_vertex_id </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
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<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span></span> </td>
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<p>Returns id of the first vertex currently in memory. Fails if nothing loaded yet. </p>
</div>
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<a class="anchor" id="a4885bac577540a6dcf0be31af0c3572c"></a>
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<div class="memtemplate">
template<typename VertexDataType> </div>
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<td class="memname">virtual void <a class="el" href="classgraphchi_1_1vertex__data__store.html">graphchi::vertex_data_store</a>< <a class="el" href="basic__dynamicengine__smoketest_8cpp.html#acf10237949ab87b83055ff6aa646c565">VertexDataType</a> >::load </td>
<td>(</td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>_vertex_st</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>_vertex_en</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
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<p>Loads a chunk of vertex values </p>
<dl class="params"><dt>Parameters:</dt><dd>
<table class="params">
<tr><td class="paramname">vertex_st</td><td>first vertex id </td></tr>
<tr><td class="paramname">vertex_en</td><td>last vertex id, inclusive </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a5f56e9b57bc064c99581ece958cb170c"></a>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<typename VertexDataType> </div>
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<td class="memname">virtual void <a class="el" href="classgraphchi_1_1vertex__data__store.html">graphchi::vertex_data_store</a>< <a class="el" href="basic__dynamicengine__smoketest_8cpp.html#acf10237949ab87b83055ff6aa646c565">VertexDataType</a> >::save </td>
<td>(</td>
<td class="paramtype">bool </td>
<td class="paramname"><em>async</em> = <code>false</code></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
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<p>Saves the current chunk of vertex values </p>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li>src/engine/auxdata/<a class="el" href="vertex__data_8hpp_source.html">vertex_data.hpp</a></li>
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<p>This is the complete list of members for <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a>, including all inherited members.</p>
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<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>add_inedge</b>(vid_t src, ET *ptr, bool special_edge) (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>add_inedge</b>(vid_t src, PairContainer< KERNEL::EdgeDataType > *ptr, bool special_edge) (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>add_outedge</b>(vid_t dst, ET *ptr, bool special_edge) (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>add_outedge</b>(vid_t dst, PairContainer< KERNEL::EdgeDataType > *ptr, bool special_edge) (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>computational_edges</b>() (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>cumval</b> (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>dataptr</b> (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"></td></tr>
<tr><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html#a79aebd315e4f333e8ba0e756c265883a">edge</a>(int i)</td><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>ET</b> typedef (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>first_iteration</b>(graphchi_context &ginfo) (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>functional_vertex_unweighted_bulksync</b>() (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>functional_vertex_unweighted_bulksync</b>(graphchi_context &ginfo, vid_t _id, int indeg, int outdeg) (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>functional_vertex_unweighted_bulksync</b>(vid_t _id, graphchi_edge< ET > *iptr, graphchi_edge< ET > *optr, int indeg, int outdeg) (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>gcontext</b> (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a></td><td class="entry"></td></tr>
<tr class="even"><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html#af5c32eed2ff7753dfd23306ca44d6ce2">get_data</a>()</td><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>graphchi_vertex</b>() (defined in <a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>graphchi_vertex</b>(vid_t _id, graphchi_edge< PairContainer< KERNEL::EdgeDataType > > *iptr, graphchi_edge< PairContainer< KERNEL::EdgeDataType > > *optr, int indeg, int outdeg) (defined in <a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>id</b>() const (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>inc</b> (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>inedge</b>(int i) (defined in <a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>inedges_ptr</b> (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>internal_graphchi_vertex</b>() (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>internal_graphchi_vertex</b>(vid_t _id, graphchi_edge< PairContainer< KERNEL::EdgeDataType > > *iptr, graphchi_edge< PairContainer< KERNEL::EdgeDataType > > *optr, int indeg, int outdeg) (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>kernel</b> (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>modified</b> (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>num_edges</b>() const (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>num_inedges</b>() const (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>num_outedges</b>() const (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>outc</b> (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>outedge</b>(int i) (defined in <a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>outedges_ptr</b> (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>parallel_safe</b> (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"></td></tr>
<tr class="even"><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html#a061aee312fc67647fe56c4acd87fc6ee">read_outedges</a>()</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">static</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>ready</b>(graphchi_context &ginfo) (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>scheduled</b> (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"></td></tr>
<tr><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html#a72ceeb55d8ac80f329a9223ad63690dc">set_data</a>(KERNEL::VertexDataTyped)</td><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr>
<tr class="even"><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html#aadc46cb5f79dc63562e2a32a41b56211">sort_edges_indirect</a>()</td><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>vertexid</b> (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>vinfo</b> (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>VT</b> typedef (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">graphchi::functional_vertex_unweighted_bulksync< KERNEL ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>~graphchi_vertex</b>() (defined in <a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>~internal_graphchi_vertex</b>() (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr>
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<li class="navelem"><a class="el" href="namespacegraphchi.html">graphchi</a></li><li class="navelem"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">functional_vertex_unweighted_semisync</a></li> </ul>
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<div class="title">graphchi::functional_vertex_unweighted_semisync< KERNEL > Member List</div> </div>
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<p>This is the complete list of members for <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a>, including all inherited members.</p>
<table class="directory">
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>add_inedge</b>(vid_t src, ET *ptr, bool special_edge) (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>add_outedge</b>(vid_t dst, ET *ptr, bool special_edge) (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>computational_edges</b>() (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>cumval</b> (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>dataptr</b> (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"></td></tr>
<tr><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html#a79aebd315e4f333e8ba0e756c265883a">edge</a>(int i)</td><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>ET</b> typedef (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>first_iteration</b>(graphchi_context &gcontext_) (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>functional_vertex_unweighted_semisync</b>() (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>functional_vertex_unweighted_semisync</b>(graphchi_context &ginfo, vid_t _id, int indeg, int outdeg) (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>functional_vertex_unweighted_semisync</b>(vid_t _id, graphchi_edge< ET > *iptr, graphchi_edge< ET > *optr, int indeg, int outdeg) (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>gcontext</b> (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a></td><td class="entry"></td></tr>
<tr class="even"><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html#af5c32eed2ff7753dfd23306ca44d6ce2">get_data</a>()</td><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>graphchi_vertex</b>() (defined in <a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>graphchi_vertex</b>(vid_t _id, graphchi_edge< KERNEL::EdgeDataType > *iptr, graphchi_edge< KERNEL::EdgeDataType > *optr, int indeg, int outdeg) (defined in <a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>id</b>() const (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>inc</b> (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>inedge</b>(int i) (defined in <a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>inedges_ptr</b> (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>internal_graphchi_vertex</b>() (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>internal_graphchi_vertex</b>(vid_t _id, graphchi_edge< KERNEL::EdgeDataType > *iptr, graphchi_edge< KERNEL::EdgeDataType > *optr, int indeg, int outdeg) (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>kernel</b> (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>modified</b> (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>num_edges</b>() const (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>num_inedges</b>() const (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>num_outedges</b>() const (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>outc</b> (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>outedge</b>(int i) (defined in <a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>outedges_ptr</b> (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>parallel_safe</b> (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>read_outedges</b>() (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">static</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>ready</b>(graphchi_context &gcontext_) (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>scheduled</b> (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"></td></tr>
<tr><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html#a72ceeb55d8ac80f329a9223ad63690dc">set_data</a>(KERNEL::VertexDataTyped)</td><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr>
<tr class="even"><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html#aadc46cb5f79dc63562e2a32a41b56211">sort_edges_indirect</a>()</td><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>vertexid</b> (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>vinfo</b> (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>VT</b> typedef (defined in <a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">graphchi::functional_vertex_unweighted_semisync< KERNEL ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>~graphchi_vertex</b>() (defined in <a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi::graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>~internal_graphchi_vertex</b>() (defined in <a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">graphchi::internal_graphchi_vertex< KERNEL::VertexDataType, KERNEL::EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr>
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<a href="#pub-attribs">Public Attributes</a> </div>
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<div class="title">MongooseRequestInfo Struct Reference</div> </div>
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Public Attributes</h2></td></tr>
<tr class="memitem:a2988d17312ff4f85e8b78edb63a83e46"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2988d17312ff4f85e8b78edb63a83e46"></a>
string </td><td class="memItemRight" valign="bottom"><b>request_method</b></td></tr>
<tr class="memitem:a3f0c3e95ba7436180ab5937a35be5cb0"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3f0c3e95ba7436180ab5937a35be5cb0"></a>
string </td><td class="memItemRight" valign="bottom"><b>uri</b></td></tr>
<tr class="memitem:a4821b995059f981d411f658a18bd96a7"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4821b995059f981d411f658a18bd96a7"></a>
string </td><td class="memItemRight" valign="bottom"><b>http_version</b></td></tr>
<tr class="memitem:acfbbce91c3683b8931b08d2582b9be19"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="acfbbce91c3683b8931b08d2582b9be19"></a>
string </td><td class="memItemRight" valign="bottom"><b>query_string</b></td></tr>
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IntPtr </td><td class="memItemRight" valign="bottom"><b>post_data</b></td></tr>
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string </td><td class="memItemRight" valign="bottom"><b>remote_user</b></td></tr>
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<hr/>The documentation for this struct was generated from the following file:<ul>
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Public Attributes</h2></td></tr>
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<a href="#pub-methods">Public Member Functions</a> |
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<p>The graph loader function is a line parser used for distributed graph construction.
<a href="classgather__type.html#details">More...</a></p>
<p><code>#include <<a class="el" href="als__vertex__program_8hpp_source.html">als_vertex_program.hpp</a>></code></p>
<p><a href="classgather__type-members.html">List of all members.</a></p>
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<tr class="heading"><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a0ef41a0943ab5f4348eaff240ba87774"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0ef41a0943ab5f4348eaff240ba87774"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="classgather__type.html#a0ef41a0943ab5f4348eaff240ba87774">gather_type</a> ()</td></tr>
<tr class="memdesc:a0ef41a0943ab5f4348eaff240ba87774"><td class="mdescLeft"> </td><td class="mdescRight">basic default constructor <br/></td></tr>
<tr class="memitem:aac64cb2fd36d4c39fad0816895df907b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aac64cb2fd36d4c39fad0816895df907b"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="classgather__type.html#aac64cb2fd36d4c39fad0816895df907b">gather_type</a> (const vec_type &X, const double y)</td></tr>
<tr class="memdesc:aac64cb2fd36d4c39fad0816895df907b"><td class="mdescLeft"> </td><td class="mdescRight">This constructor computes XtX and Xy and stores the result in XtX and Xy. <br/></td></tr>
<tr class="memitem:a672f8aac3ab0b1bb48e857b77307f621"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgather__type.html">gather_type</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classgather__type.html#a672f8aac3ab0b1bb48e857b77307f621">operator+=</a> (const <a class="el" href="classgather__type.html">gather_type</a> &other)</td></tr>
<tr class="memdesc:a672f8aac3ab0b1bb48e857b77307f621"><td class="mdescLeft"> </td><td class="mdescRight">Save the values to a binary archive. <a href="#a672f8aac3ab0b1bb48e857b77307f621"></a><br/></td></tr>
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Public Attributes</h2></td></tr>
<tr class="memitem:a79352d3ca5b6957aa4b21276c20da59f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a79352d3ca5b6957aa4b21276c20da59f"></a>
mat_type </td><td class="memItemRight" valign="bottom"><a class="el" href="classgather__type.html#a79352d3ca5b6957aa4b21276c20da59f">XtX</a></td></tr>
<tr class="memdesc:a79352d3ca5b6957aa4b21276c20da59f"><td class="mdescLeft"> </td><td class="mdescRight">Stores the current sum of nbr.factor.transpose() * nbr.factor. <br/></td></tr>
<tr class="memitem:a319a1856f1ad204ad8fd13592ab9a201"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a319a1856f1ad204ad8fd13592ab9a201"></a>
vec_type </td><td class="memItemRight" valign="bottom"><a class="el" href="classgather__type.html#a319a1856f1ad204ad8fd13592ab9a201">Xy</a></td></tr>
<tr class="memdesc:a319a1856f1ad204ad8fd13592ab9a201"><td class="mdescLeft"> </td><td class="mdescRight">Stores the current sum of nbr.factor * edge.obs. <br/></td></tr>
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<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>The graph loader function is a line parser used for distributed graph construction. </p>
<p>The gather type used to construct XtX and Xty needed for the ALS update</p>
<p>To compute the ALS update we need to compute the sum of </p>
<div class="fragment"><div class="line"> sum: <a class="code" href="classgather__type.html#a79352d3ca5b6957aa4b21276c20da59f" title="Stores the current sum of nbr.factor.transpose() * nbr.factor.">XtX</a> = nbr.factor.transpose() * nbr.factor </div>
<div class="line"> sum: <a class="code" href="classgather__type.html#a319a1856f1ad204ad8fd13592ab9a201" title="Stores the current sum of nbr.factor * edge.obs.">Xy</a> = nbr.factor * <a class="code" href="structedge.html">edge</a>.obs</div>
</div><!-- fragment --><p> For each of the neighbors of a vertex.</p>
<p>To do this in the Gather-Apply-Scatter model the gather function computes and returns a pair consisting of XtX and Xy which are then added. The gather type represents that tuple and provides the necessary <a class="el" href="classgather__type.html#a672f8aac3ab0b1bb48e857b77307f621" title="Save the values to a binary archive.">gather_type::operator+=</a> operation. </p>
</div><hr/><h2>Member Function Documentation</h2>
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<td class="memname"><a class="el" href="classgather__type.html">gather_type</a>& gather_type::operator+= </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classgather__type.html">gather_type</a> & </td>
<td class="paramname"><em>other</em></td><td>)</td>
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<p>Save the values to a binary archive. </p>
<p>Read the values from a binary archive Computes XtX += other.XtX and Xy += other.Xy updating this tuples value </p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>example_apps/matrix_factorization/graphlab_gas/<a class="el" href="als__vertex__program_8hpp_source.html">als_vertex_program.hpp</a></li>
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Public Member Functions</h2></td></tr>
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 </td><td class="memItemRight" valign="bottom"><b>dense_bitset</b> (size_t size)</td></tr>
<tr class="memitem:a09d10efa33addabe1b1d8e9413f99b67"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a09d10efa33addabe1b1d8e9413f99b67"></a>
void </td><td class="memItemRight" valign="bottom"><b>resize</b> (size_t n)</td></tr>
<tr class="memitem:a55e5b351b04121280714c1e6002e68cf"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a55e5b351b04121280714c1e6002e68cf"></a>
void </td><td class="memItemRight" valign="bottom"><b>clear</b> ()</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>setall</b> ()</td></tr>
<tr class="memitem:a612c3bfeceda95b4cd0dbc50bb783cbf"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a612c3bfeceda95b4cd0dbc50bb783cbf"></a>
bool </td><td class="memItemRight" valign="bottom"><b>get</b> (uint32_t b) const </td></tr>
<tr class="memitem:a41a298d89e24fa16e3615459aa6ba8c1"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a41a298d89e24fa16e3615459aa6ba8c1"></a>
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classgraphchi_1_1dense__bitset.html#a41a298d89e24fa16e3615459aa6ba8c1">set_bit</a> (uint32_t b)</td></tr>
<tr class="memdesc:a41a298d89e24fa16e3615459aa6ba8c1"><td class="mdescLeft"> </td><td class="mdescRight">Set the bit returning the old value. <br/></td></tr>
<tr class="memitem:ab7adb43636816cc57be2f8d22c5e203f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab7adb43636816cc57be2f8d22c5e203f"></a>
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classgraphchi_1_1dense__bitset.html#ab7adb43636816cc57be2f8d22c5e203f">set</a> (uint32_t b, bool value)</td></tr>
<tr class="memdesc:ab7adb43636816cc57be2f8d22c5e203f"><td class="mdescLeft"> </td><td class="mdescRight">Set the state of the bit returning the old value. <br/></td></tr>
<tr class="memitem:af6011c68b0b1427b89ff077591441185"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af6011c68b0b1427b89ff077591441185"></a>
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classgraphchi_1_1dense__bitset.html#af6011c68b0b1427b89ff077591441185">clear_bit</a> (uint32_t b)</td></tr>
<tr class="memdesc:af6011c68b0b1427b89ff077591441185"><td class="mdescLeft"> </td><td class="mdescRight">Clear the bit returning the old value. <br/></td></tr>
<tr class="memitem:a03a887e278b52357bc56c731e977c2e1"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a03a887e278b52357bc56c731e977c2e1"></a>
void </td><td class="memItemRight" valign="bottom"><b>clear_bits</b> (uint32_t fromb, uint32_t tob)</td></tr>
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size_t </td><td class="memItemRight" valign="bottom"><b>size</b> () const </td></tr>
</table>
<hr/>The documentation for this class was generated from the following file:<ul>
<li>src/util/<a class="el" href="dense__bitset_8hpp_source.html">dense_bitset.hpp</a></li>
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<li class="navelem"><b>graphlab</b></li><li class="navelem"><a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">GraphLabEdgeWrapper</a></li> </ul>
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<tr class="even"><td class="entry"><a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html#a3bfdff77561dc08db04ea7cc3fc4d2c8">data</a>() const </td><td class="entry"><a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graphlab::GraphLabEdgeWrapper< GLVertexDataType, EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr><td class="entry"><a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html#af3f688181c34dd970b0787479c9ab8d3">data</a>()</td><td class="entry"><a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graphlab::GraphLabEdgeWrapper< GLVertexDataType, EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>edge</b> (defined in <a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graphlab::GraphLabEdgeWrapper< GLVertexDataType, EdgeDataType ></a>)</td><td class="entry"><a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graphlab::GraphLabEdgeWrapper< GLVertexDataType, EdgeDataType ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>edge_data_type</b> typedef (defined in <a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graphlab::GraphLabEdgeWrapper< GLVertexDataType, EdgeDataType ></a>)</td><td class="entry"><a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graphlab::GraphLabEdgeWrapper< GLVertexDataType, EdgeDataType ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>GraphLabEdgeWrapper</b>(graphchi_edge< EdgeDataType > *edge, VertexType *vertex, std::vector< GLVertexDataType > *vertexArray, bool is_inedge) (defined in <a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graphlab::GraphLabEdgeWrapper< GLVertexDataType, EdgeDataType ></a>)</td><td class="entry"><a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graphlab::GraphLabEdgeWrapper< GLVertexDataType, EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>is_inedge</b> (defined in <a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graphlab::GraphLabEdgeWrapper< GLVertexDataType, EdgeDataType ></a>)</td><td class="entry"><a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graphlab::GraphLabEdgeWrapper< GLVertexDataType, EdgeDataType ></a></td><td class="entry"></td></tr>
<tr class="even"><td class="entry"><a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html#a1176dc7f68117e758dad6c65dd7c7358">source</a>() const </td><td class="entry"><a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graphlab::GraphLabEdgeWrapper< GLVertexDataType, EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr><td class="entry"><a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html#a6c4d5eaded1d40e10775707ff7189dc7">target</a>() const </td><td class="entry"><a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graphlab::GraphLabEdgeWrapper< GLVertexDataType, EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>vertex</b> (defined in <a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graphlab::GraphLabEdgeWrapper< GLVertexDataType, EdgeDataType ></a>)</td><td class="entry"><a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graphlab::GraphLabEdgeWrapper< GLVertexDataType, EdgeDataType ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>vertex_data_type</b> typedef (defined in <a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graphlab::GraphLabEdgeWrapper< GLVertexDataType, EdgeDataType ></a>)</td><td class="entry"><a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graphlab::GraphLabEdgeWrapper< GLVertexDataType, EdgeDataType ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>vertex_type</b> typedef (defined in <a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graphlab::GraphLabEdgeWrapper< GLVertexDataType, EdgeDataType ></a>)</td><td class="entry"><a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graphlab::GraphLabEdgeWrapper< GLVertexDataType, EdgeDataType ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>vertexArray</b> (defined in <a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graphlab::GraphLabEdgeWrapper< GLVertexDataType, EdgeDataType ></a>)</td><td class="entry"><a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graphlab::GraphLabEdgeWrapper< GLVertexDataType, EdgeDataType ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>VertexType</b> typedef (defined in <a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graphlab::GraphLabEdgeWrapper< GLVertexDataType, EdgeDataType ></a>)</td><td class="entry"><a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graphlab::GraphLabEdgeWrapper< GLVertexDataType, EdgeDataType ></a></td><td class="entry"></td></tr>
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<tr bgcolor="#f0f0f0"><td class="entry"><b>pending_reads</b> (defined in <a class="el" href="structgraphchi_1_1thrinfo.html">graphchi::thrinfo</a>)</td><td class="entry"><a class="el" href="structgraphchi_1_1thrinfo.html">graphchi::thrinfo</a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>pending_writes</b> (defined in <a class="el" href="structgraphchi_1_1thrinfo.html">graphchi::thrinfo</a>)</td><td class="entry"><a class="el" href="structgraphchi_1_1thrinfo.html">graphchi::thrinfo</a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>prioqueue</b> (defined in <a class="el" href="structgraphchi_1_1thrinfo.html">graphchi::thrinfo</a>)</td><td class="entry"><a class="el" href="structgraphchi_1_1thrinfo.html">graphchi::thrinfo</a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>readqueue</b> (defined in <a class="el" href="structgraphchi_1_1thrinfo.html">graphchi::thrinfo</a>)</td><td class="entry"><a class="el" href="structgraphchi_1_1thrinfo.html">graphchi::thrinfo</a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>running</b> (defined in <a class="el" href="structgraphchi_1_1thrinfo.html">graphchi::thrinfo</a>)</td><td class="entry"><a class="el" href="structgraphchi_1_1thrinfo.html">graphchi::thrinfo</a></td><td class="entry"></td></tr>
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<li class="navelem"><a class="el" href="namespacegraphchi.html">graphchi</a></li><li class="navelem"><a class="el" href="structgraphchi_1_1metrics__entry.html">metrics_entry</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<p><a href="structgraphchi_1_1metrics__entry-members.html">List of all members.</a></p>
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<tr class="heading"><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a3e34311dde18a76eaa7cbba734908767"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3e34311dde18a76eaa7cbba734908767"></a>
 </td><td class="memItemRight" valign="bottom"><b>metrics_entry</b> (double firstvalue, metrictype _valtype)</td></tr>
<tr class="memitem:a81144e72c49ded307e2b050edc2111f7"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a81144e72c49ded307e2b050edc2111f7"></a>
 </td><td class="memItemRight" valign="bottom"><b>metrics_entry</b> (std::string svalue)</td></tr>
<tr class="memitem:a5549dc80f3b74c1e2b430818326807fe"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5549dc80f3b74c1e2b430818326807fe"></a>
 </td><td class="memItemRight" valign="bottom"><b>metrics_entry</b> (metrictype _valtype)</td></tr>
<tr class="memitem:a34f48c4f8bb1ecc7da7e79dda7fb43f7"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a34f48c4f8bb1ecc7da7e79dda7fb43f7"></a>
void </td><td class="memItemRight" valign="bottom"><b>adj</b> (double v)</td></tr>
<tr class="memitem:a1b3c10e5cc26f6cdb7b93495acfe337e"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1b3c10e5cc26f6cdb7b93495acfe337e"></a>
void </td><td class="memItemRight" valign="bottom"><b>add</b> (double x)</td></tr>
<tr class="memitem:aa4d735f81cd110371a8f6f0372312fdc"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa4d735f81cd110371a8f6f0372312fdc"></a>
void </td><td class="memItemRight" valign="bottom"><b>set</b> (double v)</td></tr>
<tr class="memitem:a9d6de8cc512d7bd30620a8ee2d92cae5"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9d6de8cc512d7bd30620a8ee2d92cae5"></a>
void </td><td class="memItemRight" valign="bottom"><b>set</b> (std::string s)</td></tr>
<tr class="memitem:a8fab158ec8517cef769279e6c7a3200b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8fab158ec8517cef769279e6c7a3200b"></a>
void </td><td class="memItemRight" valign="bottom"><b>add_vector_entry</b> (size_t i, double x)</td></tr>
<tr class="memitem:a48e95722c5e4af0f8829ab2e10e761b2"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a48e95722c5e4af0f8829ab2e10e761b2"></a>
void </td><td class="memItemRight" valign="bottom"><b>set_vector_entry</b> (size_t i, double x)</td></tr>
<tr class="memitem:a5725bcf17c38eea7fd56c2b804092954"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5725bcf17c38eea7fd56c2b804092954"></a>
void </td><td class="memItemRight" valign="bottom"><b>timer_start</b> ()</td></tr>
<tr class="memitem:a40c1326e43c7629465f9fa8276499244"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a40c1326e43c7629465f9fa8276499244"></a>
void </td><td class="memItemRight" valign="bottom"><b>timer_stop</b> ()</td></tr>
</table><table class="memberdecls">
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Public Attributes</h2></td></tr>
<tr class="memitem:a42a1d1652f01254480b0f5db4eeb36d1"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a42a1d1652f01254480b0f5db4eeb36d1"></a>
size_t </td><td class="memItemRight" valign="bottom"><b>count</b></td></tr>
<tr class="memitem:a138e2bb634857372fb8dd19a078642fd"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a138e2bb634857372fb8dd19a078642fd"></a>
double </td><td class="memItemRight" valign="bottom"><b>value</b></td></tr>
<tr class="memitem:a5ee8cc95fc48e1137c918a80ad355980"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5ee8cc95fc48e1137c918a80ad355980"></a>
double </td><td class="memItemRight" valign="bottom"><b>minvalue</b></td></tr>
<tr class="memitem:aaf3363a625dfe030b01a7cdc9971eccd"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aaf3363a625dfe030b01a7cdc9971eccd"></a>
double </td><td class="memItemRight" valign="bottom"><b>cumvalue</b></td></tr>
<tr class="memitem:a44f1cbcdfdbe87f17329a47910d27c32"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a44f1cbcdfdbe87f17329a47910d27c32"></a>
double </td><td class="memItemRight" valign="bottom"><b>maxvalue</b></td></tr>
<tr class="memitem:a6c617eaadc49f9f6dc958745e769f8ff"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6c617eaadc49f9f6dc958745e769f8ff"></a>
metrictype </td><td class="memItemRight" valign="bottom"><b>valtype</b></td></tr>
<tr class="memitem:a6ea9cf2bcd63c27d3e93a9f5818f233b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6ea9cf2bcd63c27d3e93a9f5818f233b"></a>
std::string </td><td class="memItemRight" valign="bottom"><b>stringval</b></td></tr>
<tr class="memitem:a7e0a2ffa92357ee6444a3f972f1e9c85"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7e0a2ffa92357ee6444a3f972f1e9c85"></a>
std::vector< double > </td><td class="memItemRight" valign="bottom"><b>v</b></td></tr>
<tr class="memitem:ad08a8a3e10f5a99f48e71e29c7932836"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad08a8a3e10f5a99f48e71e29c7932836"></a>
timeval </td><td class="memItemRight" valign="bottom"><b>start_time</b></td></tr>
<tr class="memitem:a3c2e174e3a19a2df2af396d862a5d206"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3c2e174e3a19a2df2af396d862a5d206"></a>
double </td><td class="memItemRight" valign="bottom"><b>lasttime</b></td></tr>
</table>
<hr/>The documentation for this struct was generated from the following file:<ul>
<li>src/metrics/<a class="el" href="metrics_8hpp_source.html">metrics.hpp</a></li>
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<div class="textblock"><code>#include <string></code><br/>
<code>#include <fstream></code><br/>
<code>#include <cmath></code><br/>
<code>#include "<a class="el" href="cmdopts_8hpp_source.html">util/cmdopts.hpp</a>"</code><br/>
<code>#include "<a class="el" href="graphchi__context_8hpp_source.html">api/graphchi_context.hpp</a>"</code><br/>
<code>#include "<a class="el" href="graph__objects_8hpp_source.html">api/graph_objects.hpp</a>"</code><br/>
<code>#include "<a class="el" href="ischeduler_8hpp_source.html">api/ischeduler.hpp</a>"</code><br/>
<code>#include "<a class="el" href="functional__api_8hpp_source.html">api/functional/functional_api.hpp</a>"</code><br/>
<code>#include "<a class="el" href="metrics_8hpp_source.html">metrics/metrics.hpp</a>"</code><br/>
<code>#include "<a class="el" href="reps_2basic__reporter_8hpp_source.html">metrics/reps/basic_reporter.hpp</a>"</code><br/>
<code>#include "<a class="el" href="toplist_8hpp_source.html">util/toplist.hpp</a>"</code><br/>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structpagerank__kernel.html">pagerank_kernel</a></td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>RANDOMRESETPROB</b>   0.15</td></tr>
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int </td><td class="memItemRight" valign="bottom"><b>main</b> (int argc, const char **argv)</td></tr>
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<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><dl class="section author"><dt>Author:</dt><dd>Aapo Kyrola <a href="#" onclick="location.href='mai'+'lto:'+'aky'+'ro'+'la@'+'cs'+'.cm'+'u.'+'edu'; return false;">akyro<span style="display: none;">.nosp@m.</span>la@c<span style="display: none;">.nosp@m.</span>s.cmu<span style="display: none;">.nosp@m.</span>.edu</a> </dd></dl>
<dl class="section version"><dt>Version:</dt><dd>1.0</dd></dl>
<h1><a class="anchor" id="LICENSE"></a>
LICENSE</h1>
<p>Copyright [2012] [Aapo Kyrola, Guy Blelloch, Carlos Guestrin / Carnegie Mellon University]</p>
<p>Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at</p>
<p><a href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a></p>
<p>Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.</p>
<h1><a class="anchor" id="DESCRIPTION"></a>
DESCRIPTION</h1>
<p>"Functional" version of pagerank, which is quite a bit more efficient, because it does not construct the vertex-objects but directly processes the edges.</p>
<p>This program can be run either in the semi-synchronous mode (faster, but less clearly defined semantics), or synchronously. Synchronous version needs double the amount of I/O because it needs to store both previous and current values. Use command line parameter mode with semisync or sync. </p>
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Public Member Functions</h2></td></tr>
<tr class="memitem:afe153e12ae31476c82214b62417b791b"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_smoke_test_program.html#afe153e12ae31476c82214b62417b791b">update</a> (<a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi_vertex</a>< VertexDataType, EdgeDataType > &vertex, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
<tr class="memitem:a955ed7d1dd7ea0f5a12ddaefe299cc4b"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_smoke_test_program.html#a955ed7d1dd7ea0f5a12ddaefe299cc4b">before_iteration</a> (int iteration, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
<tr class="memitem:a22ced893fb5769579406717abaf1c749"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_smoke_test_program.html#a22ced893fb5769579406717abaf1c749">after_iteration</a> (int iteration, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
<tr class="memitem:aa99545ae82126af27572baa2c834f737"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_smoke_test_program.html#aa99545ae82126af27572baa2c834f737">before_exec_interval</a> (vid_t window_st, vid_t window_en, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
<tr class="memitem:ad2d4d576e0b10dc2b0e09ca6c54f625a"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_smoke_test_program.html#ad2d4d576e0b10dc2b0e09ca6c54f625a">after_exec_interval</a> (vid_t window_st, vid_t window_en, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
<tr class="memitem:afe153e12ae31476c82214b62417b791b"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_smoke_test_program.html#afe153e12ae31476c82214b62417b791b">update</a> (<a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi_vertex</a>< VertexDataType, EdgeDataType > &vertex, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
<tr class="memitem:a955ed7d1dd7ea0f5a12ddaefe299cc4b"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_smoke_test_program.html#a955ed7d1dd7ea0f5a12ddaefe299cc4b">before_iteration</a> (int iteration, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
<tr class="memitem:a22ced893fb5769579406717abaf1c749"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_smoke_test_program.html#a22ced893fb5769579406717abaf1c749">after_iteration</a> (int iteration, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
<tr class="memitem:aa99545ae82126af27572baa2c834f737"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_smoke_test_program.html#aa99545ae82126af27572baa2c834f737">before_exec_interval</a> (vid_t window_st, vid_t window_en, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
<tr class="memitem:ad2d4d576e0b10dc2b0e09ca6c54f625a"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_smoke_test_program.html#ad2d4d576e0b10dc2b0e09ca6c54f625a">after_exec_interval</a> (vid_t window_st, vid_t window_en, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
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Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_types_classgraphchi_1_1_graph_chi_program"><td colspan="2" onclick="javascript:toggleInherit('pub_types_classgraphchi_1_1_graph_chi_program')"><img src="closed.png" alt="-"/> Public Types inherited from <a class="el" href="classgraphchi_1_1_graph_chi_program.html">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a></td></tr>
<tr class="memitem:aac56995fb8ac698f229ff0477e71d30f inherit pub_types_classgraphchi_1_1_graph_chi_program"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aac56995fb8ac698f229ff0477e71d30f"></a>
typedef VertexDataType </td><td class="memItemRight" valign="bottom"><b>VertexDataType</b></td></tr>
<tr class="memitem:a16c23705a587cae77c8c1761be6ebe81 inherit pub_types_classgraphchi_1_1_graph_chi_program"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a16c23705a587cae77c8c1761be6ebe81"></a>
typedef EdgeDataType </td><td class="memItemRight" valign="bottom"><b>EdgeDataType</b></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>Smoke test. On every iteration, each vertex sets its id to be id + iteration number. Vertices check whether their neighbors were set correctly. This assumes that the vertices are executed in round-robin order. </p>
</div><hr/><h2>Member Function Documentation</h2>
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<td class="memname">void SmokeTestProgram::after_exec_interval </td>
<td>(</td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>window_st</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>window_en</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>gcontext</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
</tr>
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</div><div class="memdoc">
<p>Called after an execution interval has finished. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#a9be881d1232e530c8d1852188cc8a84d">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void SmokeTestProgram::after_exec_interval </td>
<td>(</td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>window_st</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>window_en</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>gcontext</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
</tr>
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</div><div class="memdoc">
<p>Called after an execution interval has finished. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#a9be881d1232e530c8d1852188cc8a84d">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void SmokeTestProgram::after_iteration </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>iteration</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>gcontext</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
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</div><div class="memdoc">
<p>Called after an iteration has finished. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#a24259d43b85d28af16d53a4176d29a07">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<a class="anchor" id="a22ced893fb5769579406717abaf1c749"></a>
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<td class="memname">void SmokeTestProgram::after_iteration </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>iteration</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>gcontext</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
</tr>
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<p>Called after an iteration has finished. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#a24259d43b85d28af16d53a4176d29a07">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void SmokeTestProgram::before_exec_interval </td>
<td>(</td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>window_st</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>window_en</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>gcontext</em> </td>
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<td>)</td>
<td></td><td></td>
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
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<p>Called before an execution interval is started. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#ab2f7244ddb743deb859dbc2fc927078a">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void SmokeTestProgram::before_exec_interval </td>
<td>(</td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>window_st</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>window_en</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>gcontext</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Called before an execution interval is started. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#ab2f7244ddb743deb859dbc2fc927078a">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void SmokeTestProgram::before_iteration </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>iteration</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>gcontext</em> </td>
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<td></td>
<td>)</td>
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<p>Called before an iteration starts. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#aec6d16fd6dddf1543afe55360a653cf2">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void SmokeTestProgram::before_iteration </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>iteration</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>gcontext</em> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td>
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<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
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<p>Called before an iteration starts. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#aec6d16fd6dddf1543afe55360a653cf2">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void SmokeTestProgram::update </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi_vertex</a>< VertexDataType, EdgeDataType > & </td>
<td class="paramname"><em>vertex</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>gcontext</em> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
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<p>Vertex update function. </p>
<p>Implements <a class="el" href="classgraphchi_1_1_graph_chi_program.html#ad76f8881627e3c039144e261bfc77770">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void SmokeTestProgram::update </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi_vertex</a>< VertexDataType, EdgeDataType > & </td>
<td class="paramname"><em>vertex</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>gcontext</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<p>Vertex update function. </p>
<p>Implements <a class="el" href="classgraphchi_1_1_graph_chi_program.html#ad76f8881627e3c039144e261bfc77770">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<hr/>The documentation for this struct was generated from the following files:<ul>
<li>src/tests/<a class="el" href="basic__dynamicengine__smoketest_8cpp.html">basic_dynamicengine_smoketest.cpp</a></li>
<li>src/tests/<a class="el" href="basic__smoketest_8cpp.html">basic_smoketest.cpp</a></li>
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<li class="navelem"><a class="el" href="namespacegraphchi.html">graphchi</a></li><li class="navelem"><a class="el" href="structgraphchi_1_1vertex__info.html">vertex_info</a></li> </ul>
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Public Attributes</h2></td></tr>
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vid_t </td><td class="memItemRight" valign="bottom"><b>vertexid</b></td></tr>
<tr class="memitem:a40bf612729fef1062d413af1a624c3b6"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a40bf612729fef1062d413af1a624c3b6"></a>
int </td><td class="memItemRight" valign="bottom"><b>indegree</b></td></tr>
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int </td><td class="memItemRight" valign="bottom"><b>outdegree</b></td></tr>
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<hr/>The documentation for this struct was generated from the following file:<ul>
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<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>basefilename</b> (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>binfile_fd</b> (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>bufptrs</b> (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>bufs</b> (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>bufsize</b> (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html#ae57e42f648104bf6b6ee23d7cf957696">bwrite</a>(int f, char *buf, char *&bufptr, T val)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>bytes_preprocessed</b> (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>compute_partitionintervals</b>() (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>create_degree_file</b>() (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">protected</span></td></tr>
<tr><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html#ab30874a25a6acd970085966ee2f12a3d">determine_number_of_shards</a>(std::string nshards_string)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">protected</span><span class="mlabel">virtual</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>dummy_t</b> typedef (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>edgecounts</b> (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>edgedatasize</b> (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>end_phase</b>() (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">protected</span></td></tr>
<tr class="even"><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html#aebb6e75ba00e4f4016b9559e45254142">end_preprocessing</a>()</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html#a8c1af4eca3037578aa7bd5b7cc431c8c">execute_sharding</a>(std::string nshards_string)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>intervals</b> (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>lastpart</b> (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>m</b> (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>max_vertex_id</b> (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>memshard_t</b> typedef (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>nedges</b> (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>nshards</b> (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>phase</b> (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>prebuf</b> (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>prebufptr</b> (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>prefix</b> (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html#a9473263ad2cfc83c11100e7cf253e10c">preprocessed_file_exists</a>()</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>preprocessed_name</b>() (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html#ad902ff8fdee18b7eb5193fabd25d8d49">preprocessing_add_edge</a>(vid_t from, vid_t to, EdgeDataType val)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>receive_edge</b>(vid_t from, vid_t to, EdgeDataType value) (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>sharder</b>(std::string basefilename) (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>shovel_filename</b>(int shard) (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>shovelfs</b> (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>slidingshard_t</b> typedef (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>start_phase</b>(int p) (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">protected</span></td></tr>
<tr class="even"><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html#ac867bb6b0f8e420f790b60f2c18f2a6b">start_preprocessing</a>()</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>swrite</b>(int shard, edge_t et) (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">protected</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>vertexchunk</b> (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">protected</span></td></tr>
<tr><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html#acba67408a81dfaa5fdac73c1d61f4631">write_shards</a>()</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">protected</span><span class="mlabel">virtual</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>~sharder</b>() (defined in <a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1sharder.html">graphchi::sharder< EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr>
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<a href="functional__api_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#ifndef GRAPHCHI_FUNCTIONALAPI_DEF</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"></span><span class="preprocessor">#define GRAPHCHI_FUNCTIONALAPI_DEF</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <assert.h></span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include "<a class="code" href="graph__objects_8hpp.html">api/graph_objects.hpp</a>"</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include "<a class="code" href="graphchi__context_8hpp.html">api/graphchi_context.hpp</a>"</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include "<a class="code" href="functional__engine_8hpp.html">engine/functional/functional_engine.hpp</a>"</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include "<a class="code" href="metrics_8hpp.html">metrics/metrics.hpp</a>"</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include "graphchi_types.hpp"</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include "<a class="code" href="functional__defs_8hpp.html">api/functional/functional_defs.hpp</a>"</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include "<a class="code" href="functional__semisync_8hpp.html">api/functional/functional_semisync.hpp</a>"</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include "<a class="code" href="functional__bulksync_8hpp.html">api/functional/functional_bulksync.hpp</a>"</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include "<a class="code" href="conversions_8hpp.html">preprocessing/conversions.hpp</a>"</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">namespace </span>graphchi {</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> FVertexDataType, <span class="keyword">typename</span> FEdgeDataType></div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="code" href="structgraphchi_1_1functional__kernel.html"> 55</a></span>  <span class="keyword">struct </span><a class="code" href="structgraphchi_1_1functional__kernel.html">functional_kernel</a> {</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">typedef</span> FVertexDataType VertexDataType;</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">typedef</span> FEdgeDataType EdgeDataType;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="structgraphchi_1_1functional__kernel.html">functional_kernel</a>() {}</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">/* Initial value - on first iteration */</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">virtual</span> VertexDataType initial_value(<a class="code" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &info, <a class="code" href="structgraphchi_1_1vertex__info.html">vertex_info</a>& myvertex) = 0; </div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">/* Called before first "gather" */</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">virtual</span> VertexDataType reset() = 0; </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="comment">// Note: Unweighted version, edge value should also be passed</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// "Gather"</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">virtual</span> EdgeDataType op_neighborval(<a class="code" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &info, <a class="code" href="structgraphchi_1_1vertex__info.html">vertex_info</a>& myvertex, vid_t nbid, EdgeDataType nbval)= 0; </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// "Sum"</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">virtual</span> EdgeDataType plus(VertexDataType curval, EdgeDataType toadd) = 0;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// "Apply"</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">virtual</span> VertexDataType compute_vertexvalue(<a class="code" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &ginfo, <a class="code" href="structgraphchi_1_1vertex__info.html">vertex_info</a>& myvertex, EdgeDataType nbvalsum) = 0; </div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">// "Scatter</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">virtual</span> EdgeDataType value_to_neighbor(<a class="code" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &info, <a class="code" href="structgraphchi_1_1vertex__info.html">vertex_info</a>& myvertex, vid_t nbid, VertexDataType myval) = 0; </div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }; </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  </div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">template</span> <<span class="keyword">class</span> KERNEL></div>
<div class="line"><a name="l00094"></a><span class="lineno"><a class="code" href="namespacegraphchi.html#a70ac542b16515cd1f5e4bcdb4726ce1f"> 94</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespacegraphchi.html#a70ac542b16515cd1f5e4bcdb4726ce1f">run_functional_unweighted_semisynchronous</a>(std::string filename, <span class="keywordtype">int</span> niters, <a class="code" href="classgraphchi_1_1metrics.html">metrics</a> &_m) {</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <a class="code" href="classgraphchi_1_1_functional_program_proxy_semisync.html">FunctionalProgramProxySemisync<KERNEL></a> program;</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  </div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">/* Process input file - if not already preprocessed */</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">int</span> nshards </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  = convert_if_notexists<typename FunctionalProgramProxySemisync<KERNEL>::EdgeDataType>(filename, get_option_string(<span class="stringliteral">"nshards"</span>, <span class="stringliteral">"auto"</span>));</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="classgraphchi_1_1functional__engine.html">functional_engine<typename FunctionalProgramProxySemisync<KERNEL>::VertexDataType</a>, </div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">typename</span> FunctionalProgramProxySemisync<KERNEL>::EdgeDataType,</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">typename</span> <a class="code" href="classgraphchi_1_1functional__vertex__unweighted__semisync.html">FunctionalProgramProxySemisync<KERNEL>::fvertex_t</a> > </div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  engine(filename, nshards, <span class="keyword">false</span>, _m);</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  </div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  engine.set_modifies_inedges(<span class="keyword">false</span>); <span class="comment">// Important</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  engine.set_modifies_outedges(<span class="keyword">true</span>); <span class="comment">// Important</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  engine.run(program, niters);</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  </div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  </div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">template</span> <<span class="keyword">class</span> KERNEL></div>
<div class="line"><a name="l00123"></a><span class="lineno"><a class="code" href="namespacegraphchi.html#abc244c04632c39d92dd3e16916da6bb9"> 123</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespacegraphchi.html#abc244c04632c39d92dd3e16916da6bb9">run_functional_unweighted_synchronous</a>(std::string filename, <span class="keywordtype">int</span> niters, <a class="code" href="classgraphchi_1_1metrics.html">metrics</a> &_m) {</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <a class="code" href="classgraphchi_1_1_functional_program_proxy_bulk_sync.html">FunctionalProgramProxyBulkSync<KERNEL></a> program;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">int</span> nshards </div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  = convert_if_notexists<typename FunctionalProgramProxyBulkSync<KERNEL>::EdgeDataType>(filename, get_option_string(<span class="stringliteral">"nshards"</span>, <span class="stringliteral">"auto"</span>));</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <a class="code" href="classgraphchi_1_1functional__engine.html">functional_engine<typename FunctionalProgramProxyBulkSync<KERNEL>::VertexDataType</a>,</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">typename</span> <a class="code" href="structgraphchi_1_1_pair_container.html">FunctionalProgramProxyBulkSync<KERNEL>::EdgeDataType</a>,</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">typename</span> <a class="code" href="classgraphchi_1_1functional__vertex__unweighted__bulksync.html">FunctionalProgramProxyBulkSync<KERNEL>::fvertex_t</a> > </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  engine(filename, nshards, <span class="keyword">false</span>, _m);</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  engine.set_modifies_inedges(<span class="keyword">false</span>); <span class="comment">// Important</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  engine.set_modifies_outedges(<span class="keyword">true</span>); <span class="comment">// Important</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  engine.set_enable_deterministic_parallelism(<span class="keyword">false</span>); <span class="comment">// Bulk synchronous does not need consistency.</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  engine.run(program, niters);</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  }</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  </div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> }</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="preprocessor"></span></div>
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Public Member Functions</h2></td></tr>
<tr class="memitem:a24985cb94a2405111cd4f06b747c9c9a"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_pagerank_program.html#a24985cb94a2405111cd4f06b747c9c9a">before_iteration</a> (int iteration, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &info)</td></tr>
<tr class="memitem:a372d4640eb60ccbf512eafa0db284597"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_pagerank_program.html#a372d4640eb60ccbf512eafa0db284597">after_iteration</a> (int iteration, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &ginfo)</td></tr>
<tr class="memitem:abc0abfe9be0c903925e02d0a50eeb3b0"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_pagerank_program.html#abc0abfe9be0c903925e02d0a50eeb3b0">before_exec_interval</a> (vid_t window_st, vid_t window_en, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &ginfo)</td></tr>
<tr class="memitem:a0124e454f3b242b5d29a217f3427c84b"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_pagerank_program.html#a0124e454f3b242b5d29a217f3427c84b">update</a> (<a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi_vertex</a>< VertexDataType, EdgeDataType > &v, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &ginfo)</td></tr>
<tr class="memitem:a7b9dc8efce8e7c09bc83c2c3a25d1935"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_pagerank_program.html#a7b9dc8efce8e7c09bc83c2c3a25d1935">before_iteration</a> (int iteration, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
<tr class="memitem:a0d99d6408cac5f713ccd6f999b14f5ab"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_pagerank_program.html#a0d99d6408cac5f713ccd6f999b14f5ab">after_iteration</a> (int iteration, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
<tr class="memitem:abc0abfe9be0c903925e02d0a50eeb3b0"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_pagerank_program.html#abc0abfe9be0c903925e02d0a50eeb3b0">before_exec_interval</a> (vid_t window_st, vid_t window_en, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &ginfo)</td></tr>
<tr class="memitem:a0124e454f3b242b5d29a217f3427c84b"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_pagerank_program.html#a0124e454f3b242b5d29a217f3427c84b">update</a> (<a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi_vertex</a>< VertexDataType, EdgeDataType > &v, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &ginfo)</td></tr>
<tr class="inherit_header pub_methods_classgraphchi_1_1_graph_chi_program"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classgraphchi_1_1_graph_chi_program')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classgraphchi_1_1_graph_chi_program.html">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a></td></tr>
<tr class="memitem:a9be881d1232e530c8d1852188cc8a84d inherit pub_methods_classgraphchi_1_1_graph_chi_program"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgraphchi_1_1_graph_chi_program.html#a9be881d1232e530c8d1852188cc8a84d">after_exec_interval</a> (vid_t window_st, vid_t window_en, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_types_classgraphchi_1_1_graph_chi_program"><td colspan="2" onclick="javascript:toggleInherit('pub_types_classgraphchi_1_1_graph_chi_program')"><img src="closed.png" alt="-"/> Public Types inherited from <a class="el" href="classgraphchi_1_1_graph_chi_program.html">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a></td></tr>
<tr class="memitem:aac56995fb8ac698f229ff0477e71d30f inherit pub_types_classgraphchi_1_1_graph_chi_program"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aac56995fb8ac698f229ff0477e71d30f"></a>
typedef VertexDataType </td><td class="memItemRight" valign="bottom"><b>VertexDataType</b></td></tr>
<tr class="memitem:a16c23705a587cae77c8c1761be6ebe81 inherit pub_types_classgraphchi_1_1_graph_chi_program"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a16c23705a587cae77c8c1761be6ebe81"></a>
typedef EdgeDataType </td><td class="memItemRight" valign="bottom"><b>EdgeDataType</b></td></tr>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a372d4640eb60ccbf512eafa0db284597"></a>
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<td class="memname">void PagerankProgram::after_iteration </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>iteration</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>ginfo</em> </td>
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<td>)</td>
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<p>Called after an iteration has finished. Not implemented. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#a24259d43b85d28af16d53a4176d29a07">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void PagerankProgram::after_iteration </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>iteration</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>gcontext</em> </td>
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<td>)</td>
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<p>Called after an iteration has finished. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#a24259d43b85d28af16d53a4176d29a07">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void PagerankProgram::before_exec_interval </td>
<td>(</td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>window_st</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>window_en</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>ginfo</em> </td>
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<td>)</td>
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<p>Called before an execution interval is started. Not implemented. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#ab2f7244ddb743deb859dbc2fc927078a">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void PagerankProgram::before_exec_interval </td>
<td>(</td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>window_st</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>window_en</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>ginfo</em> </td>
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<td>)</td>
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<p>Called before an execution interval is started. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#ab2f7244ddb743deb859dbc2fc927078a">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void PagerankProgram::before_iteration </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>iteration</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>info</em> </td>
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<td>)</td>
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<p>Called before an iteration starts. Not implemented. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#aec6d16fd6dddf1543afe55360a653cf2">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void PagerankProgram::before_iteration </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>iteration</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>gcontext</em> </td>
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<td>)</td>
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<p>Called before an iteration starts. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#aec6d16fd6dddf1543afe55360a653cf2">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void PagerankProgram::update </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi_vertex</a>< VertexDataType, EdgeDataType > & </td>
<td class="paramname"><em>v</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>ginfo</em> </td>
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<td>)</td>
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<p>Pagerank update function. </p>
<p>Implements <a class="el" href="classgraphchi_1_1_graph_chi_program.html#ad76f8881627e3c039144e261bfc77770">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void PagerankProgram::update </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi_vertex</a>< VertexDataType, EdgeDataType > & </td>
<td class="paramname"><em>v</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>ginfo</em> </td>
</tr>
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<td>)</td>
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<p>Pagerank update function. </p>
<p>Implements <a class="el" href="classgraphchi_1_1_graph_chi_program.html#ad76f8881627e3c039144e261bfc77770">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<hr/>The documentation for this struct was generated from the following files:<ul>
<li>example_apps/<a class="el" href="pagerank_8cpp.html">pagerank.cpp</a></li>
<li>example_apps/<a class="el" href="streaming__pagerank_8cpp.html">streaming_pagerank.cpp</a></li>
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<li class="navelem"><a class="el" href="namespacegraphchi.html">graphchi</a></li><li class="navelem"><a class="el" href="classgraphchi_1_1rwlock.html">rwlock</a></li> </ul>
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<p><code>#include <<a class="el" href="pthread__tools_8hpp_source.html">pthread_tools.hpp</a>></code></p>
<p><a href="classgraphchi_1_1rwlock-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a69101b3c18998658be2f923189f3b471"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a69101b3c18998658be2f923189f3b471"></a>
void </td><td class="memItemRight" valign="bottom"><b>readlock</b> () const </td></tr>
<tr class="memitem:a0fc15c8ad7f92cec853bb316b479d721"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0fc15c8ad7f92cec853bb316b479d721"></a>
void </td><td class="memItemRight" valign="bottom"><b>writelock</b> () const </td></tr>
<tr class="memitem:ac3fd3d046e232d961324bc57a5c37316"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac3fd3d046e232d961324bc57a5c37316"></a>
void </td><td class="memItemRight" valign="bottom"><b>unlock</b> () const </td></tr>
<tr class="memitem:aca6b869554b097819dbce032944f0f55"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aca6b869554b097819dbce032944f0f55"></a>
void </td><td class="memItemRight" valign="bottom"><b>rdunlock</b> () const </td></tr>
<tr class="memitem:aea697d874cda9005604cb518855e9785"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aea697d874cda9005604cb518855e9785"></a>
void </td><td class="memItemRight" valign="bottom"><b>wrunlock</b> () const </td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>Wrapper around pthread's rwlock </p>
</div><hr/>The documentation for this class was generated from the following file:<ul>
<li>src/util/<a class="el" href="pthread__tools_8hpp_source.html">pthread_tools.hpp</a></li>
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<li class="navelem"><a class="el" href="namespacegraphchi.html">graphchi</a></li><li class="navelem"><a class="el" href="classgraphchi_1_1internal__graphchi__vertex.html">internal_graphchi_vertex</a></li> </ul>
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Inheritance diagram for graphchi::internal_graphchi_vertex< VertexDataType, EdgeDataType >:</div>
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<area href="classgraphchi_1_1graphchi__vertex.html" alt="graphchi::graphchi_vertex< VertexDataType, EdgeDataType >" shape="rect" coords="0,56,416,80"/>
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<p><a href="classgraphchi_1_1internal__graphchi__vertex-members.html">List of all members.</a></p>
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<tr class="heading"><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
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 </td><td class="memItemRight" valign="bottom"><b>internal_graphchi_vertex</b> (vid_t _id, <a class="el" href="classgraphchi_1_1graphchi__edge.html">graphchi_edge</a>< EdgeDataType > *iptr, <a class="el" href="classgraphchi_1_1graphchi__edge.html">graphchi_edge</a>< EdgeDataType > *optr, int indeg, int outdeg)</td></tr>
<tr class="memitem:a1127d7029f547be92898049b0dbced05"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1127d7029f547be92898049b0dbced05"></a>
vid_t </td><td class="memItemRight" valign="bottom"><b>id</b> () const </td></tr>
<tr class="memitem:a0d042528052c6a95f97023f086b6e1bb"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0d042528052c6a95f97023f086b6e1bb"></a>
int </td><td class="memItemRight" valign="bottom"><b>num_inedges</b> () const </td></tr>
<tr class="memitem:a26ecf70b97d57743d0e47ac016b2ab0f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a26ecf70b97d57743d0e47ac016b2ab0f"></a>
int </td><td class="memItemRight" valign="bottom"><b>num_outedges</b> () const </td></tr>
<tr class="memitem:ae6cae6b9b4f0f8766b9da51ab4d5f705"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae6cae6b9b4f0f8766b9da51ab4d5f705"></a>
int </td><td class="memItemRight" valign="bottom"><b>num_edges</b> () const </td></tr>
<tr class="memitem:addaeecb3fad37247c49ae83243081dbd"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="addaeecb3fad37247c49ae83243081dbd"></a>
void </td><td class="memItemRight" valign="bottom"><b>add_inedge</b> (vid_t src, EdgeDataType *ptr, bool special_edge)</td></tr>
<tr class="memitem:a9d7c7ecdc72c8c8e7211704273406395"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9d7c7ecdc72c8c8e7211704273406395"></a>
void </td><td class="memItemRight" valign="bottom"><b>add_outedge</b> (vid_t dst, EdgeDataType *ptr, bool special_edge)</td></tr>
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Public Attributes</h2></td></tr>
<tr class="memitem:ab9f802c6963d02ae69000311256f6a89"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab9f802c6963d02ae69000311256f6a89"></a>
int </td><td class="memItemRight" valign="bottom"><b>inc</b></td></tr>
<tr class="memitem:af641806dc368cc798a0fd7d1a3a16eda"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af641806dc368cc798a0fd7d1a3a16eda"></a>
volatile int </td><td class="memItemRight" valign="bottom"><b>outc</b></td></tr>
<tr class="memitem:a41ad00828cd740b02c3e4bcae13e7d27"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a41ad00828cd740b02c3e4bcae13e7d27"></a>
vid_t </td><td class="memItemRight" valign="bottom"><b>vertexid</b></td></tr>
<tr class="memitem:afef6b11027cfcda838a7a0673698fd44"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="afef6b11027cfcda838a7a0673698fd44"></a>
bool </td><td class="memItemRight" valign="bottom"><b>modified</b></td></tr>
<tr class="memitem:a229274713a1b945a429175a07eefdab4"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a229274713a1b945a429175a07eefdab4"></a>
<a class="el" href="basic__dynamicengine__smoketest_8cpp.html#acf10237949ab87b83055ff6aa646c565">VertexDataType</a> * </td><td class="memItemRight" valign="bottom"><b>dataptr</b></td></tr>
<tr class="memitem:a70f2eee7327cb9e2c73c824ef2780c15"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a70f2eee7327cb9e2c73c824ef2780c15"></a>
bool </td><td class="memItemRight" valign="bottom"><b>scheduled</b></td></tr>
<tr class="memitem:ac8a76634b806eaff7585f7ca54150218"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac8a76634b806eaff7585f7ca54150218"></a>
bool </td><td class="memItemRight" valign="bottom"><b>parallel_safe</b></td></tr>
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Protected Attributes</h2></td></tr>
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<a class="el" href="classgraphchi_1_1graphchi__edge.html">graphchi_edge</a>< EdgeDataType > * </td><td class="memItemRight" valign="bottom"><b>inedges_ptr</b></td></tr>
<tr class="memitem:ad7b181a1da5c0d4251e5b535c798bf5b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad7b181a1da5c0d4251e5b535c798bf5b"></a>
<a class="el" href="classgraphchi_1_1graphchi__edge.html">graphchi_edge</a>< EdgeDataType > * </td><td class="memItemRight" valign="bottom"><b>outedges_ptr</b></td></tr>
</table>
<hr/>The documentation for this class was generated from the following file:<ul>
<li>src/api/<a class="el" href="graph__objects_8hpp_source.html">graph_objects.hpp</a></li>
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Inheritance diagram for error_aggregator:</div>
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Public Types</h2></td></tr>
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typedef <br class="typebreak"/>
<a class="el" href="classgraphlab_1_1icontext.html">als_vertex_program::icontext_type</a> </td><td class="memItemRight" valign="bottom"><b>icontext_type</b></td></tr>
<tr class="memitem:a4f190a0998b5796c2a69ec563492b66a"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4f190a0998b5796c2a69ec563492b66a"></a>
typedef <a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graph_type::edge_type</a> </td><td class="memItemRight" valign="bottom"><b>edge_type</b></td></tr>
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<tr class="memitem:abe0144adcf2c91ffb6d0580e38be9f62"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="abe0144adcf2c91ffb6d0580e38be9f62"></a>
<a class="el" href="structerror__aggregator.html">error_aggregator</a> & </td><td class="memItemRight" valign="bottom"><b>operator+=</b> (const <a class="el" href="structerror__aggregator.html">error_aggregator</a> &other)</td></tr>
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Static Public Member Functions</h2></td></tr>
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static <a class="el" href="structerror__aggregator.html">error_aggregator</a> </td><td class="memItemRight" valign="bottom"><b>map</b> (<a class="el" href="classgraphlab_1_1icontext.html">icontext_type</a> &context, const <a class="el" href="structgraphlab_1_1_graph_lab_edge_wrapper.html">graph_type::edge_type</a> &<a class="el" href="structedge.html">edge</a>)</td></tr>
<tr class="memitem:a4caf40a82d825e5335fdcc15928ec2c3"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4caf40a82d825e5335fdcc15928ec2c3"></a>
static void </td><td class="memItemRight" valign="bottom"><b>finalize</b> (<a class="el" href="classgraphlab_1_1icontext.html">icontext_type</a> &context, <a class="el" href="structerror__aggregator.html">error_aggregator</a> &agg)</td></tr>
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Public Attributes</h2></td></tr>
<tr class="memitem:a2821929919717d750072da409c516013"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2821929919717d750072da409c516013"></a>
double </td><td class="memItemRight" valign="bottom"><b>train_error</b></td></tr>
<tr class="memitem:ada0b548d6b16f864690a275248c8c19d"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ada0b548d6b16f864690a275248c8c19d"></a>
double </td><td class="memItemRight" valign="bottom"><b>validation_error</b></td></tr>
<tr class="memitem:adef80f4bb3516f5c781d108b463d4a98"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="adef80f4bb3516f5c781d108b463d4a98"></a>
size_t </td><td class="memItemRight" valign="bottom"><b>ntrain</b></td></tr>
<tr class="memitem:a6fec3a73d150498666b65c168d5c3c4e"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6fec3a73d150498666b65c168d5c3c4e"></a>
size_t </td><td class="memItemRight" valign="bottom"><b>nvalidation</b></td></tr>
</table>
<hr/>The documentation for this struct was generated from the following file:<ul>
<li>example_apps/matrix_factorization/graphlab_gas/<a class="el" href="als__vertex__program_8hpp_source.html">als_vertex_program.hpp</a></li>
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<div class="textblock">Here is a list of all documented class members with links to the class documentation for each member:</div>
<h3><a class="anchor" id="index_b"></a>- b -</h3><ul>
<li>before_exec_interval()
: <a class="el" href="classgraphchi_1_1_functional_program_proxy_bulk_sync.html#a86e371c3f592749f69d660b543f4ea8a">graphchi::FunctionalProgramProxyBulkSync< KERNEL ></a>
, <a class="el" href="classgraphchi_1_1_functional_program_proxy_semisync.html#a934f21f8b2f761d5a54e753ffc58a5eb">graphchi::FunctionalProgramProxySemisync< KERNEL ></a>
, <a class="el" href="structgraphlab_1_1_graph_lab_wrapper.html#a0c28d847bdc61be0b8df7e454feec92f">graphlab::GraphLabWrapper< GraphLabVertexProgram ></a>
, <a class="el" href="struct_smoke_test_program.html#aa99545ae82126af27572baa2c834f737">SmokeTestProgram</a>
, <a class="el" href="struct_triangle_counting_program.html#ace1f86087cc98b7e3170f7aa23587752">TriangleCountingProgram</a>
, <a class="el" href="struct_my_graph_chi_program.html#a77c27ea8780ebffa75618cd6a875f353">MyGraphChiProgram</a>
, <a class="el" href="structgraphlab_1_1_graph_lab_edge_aggregator_wrapper.html#a37629967de95c8f588d85ab86b6a9a34">graphlab::GraphLabEdgeAggregatorWrapper< GraphLabVertexProgram, ReductionType, EdgeMapType, FinalizerType ></a>
, <a class="el" href="struct_community_detection_program.html#aa8a15b9afd3731712ac3e01a9491d7c1">CommunityDetectionProgram</a>
, <a class="el" href="struct_connected_components_program.html#ab8720ed99bd8d2bc555e8e545a48a858">ConnectedComponentsProgram</a>
, <a class="el" href="classgraphchi_1_1_graph_chi_program.html#ab2f7244ddb743deb859dbc2fc927078a">graphchi::GraphChiProgram< VertexDataType_, EdgeDataType_, vertex_t ></a>
, <a class="el" href="struct_smoke_test_program.html#aa99545ae82126af27572baa2c834f737">SmokeTestProgram</a>
, <a class="el" href="struct_a_l_s_edge_factors_program.html#a2986001d68d1195e1c3c4e2e52e6d405">ALSEdgeFactorsProgram</a>
, <a class="el" href="struct_a_l_s_vertices_in_mem_program.html#a36db7afcd9ec22c1ddbe378f91f0fe5e">ALSVerticesInMemProgram</a>
, <a class="el" href="struct_smoke_test_program2.html#abc31d15c2cff057d9c10298c51cd0566">SmokeTestProgram2</a>
, <a class="el" href="struct_pagerank_program.html#abc0abfe9be0c903925e02d0a50eeb3b0">PagerankProgram</a>
</li>
<li>before_iteration()
: <a class="el" href="classgraphchi_1_1_functional_program_proxy_semisync.html#a62f849685a340f9b6fd51759b128efcf">graphchi::FunctionalProgramProxySemisync< KERNEL ></a>
, <a class="el" href="classgraphchi_1_1_functional_program_proxy_bulk_sync.html#a22b966ef5ec0c6aa6fb78d9efddc2bd3">graphchi::FunctionalProgramProxyBulkSync< KERNEL ></a>
, <a class="el" href="struct_community_detection_program.html#a3dde791f5dec796cd9c6e0a61da114cc">CommunityDetectionProgram</a>
, <a class="el" href="structgraphlab_1_1_graph_lab_edge_aggregator_wrapper.html#a5fb1dcefe5dd0a0aa5acef2bf4923309">graphlab::GraphLabEdgeAggregatorWrapper< GraphLabVertexProgram, ReductionType, EdgeMapType, FinalizerType ></a>
, <a class="el" href="struct_smoke_test_program.html#a955ed7d1dd7ea0f5a12ddaefe299cc4b">SmokeTestProgram</a>
, <a class="el" href="struct_my_graph_chi_program.html#a2d16696c74cea6bdbb4f237595563b8a">MyGraphChiProgram</a>
, <a class="el" href="struct_a_l_s_edge_factors_program.html#af42abf2a610775eb04c6d86c380e9af4">ALSEdgeFactorsProgram</a>
, <a class="el" href="struct_a_l_s_vertices_in_mem_program.html#ad9a6a2fdf9c1e996b89ebef238a45de1">ALSVerticesInMemProgram</a>
, <a class="el" href="struct_pagerank_program.html#a7b9dc8efce8e7c09bc83c2c3a25d1935">PagerankProgram</a>
, <a class="el" href="structgraphlab_1_1_graph_lab_wrapper.html#adf467de73aa2872f26bfbb69acd5a786">graphlab::GraphLabWrapper< GraphLabVertexProgram ></a>
, <a class="el" href="struct_smoke_test_program2.html#af9471ca87df858098cf48ee9ffdbc078">SmokeTestProgram2</a>
, <a class="el" href="struct_connected_components_program.html#aae6274665671c137878968c6714cfdcf">ConnectedComponentsProgram</a>
, <a class="el" href="struct_triangle_counting_program.html#a52cf30d9931829494f2c0ce71d63652b">TriangleCountingProgram</a>
, <a class="el" href="classgraphchi_1_1_graph_chi_program.html#aec6d16fd6dddf1543afe55360a653cf2">graphchi::GraphChiProgram< VertexDataType_, EdgeDataType_, vertex_t ></a>
</li>
<li>bwrite()
: <a class="el" href="classgraphchi_1_1sharder.html#ae57e42f648104bf6b6ee23d7cf957696">graphchi::sharder< EdgeDataType ></a>
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<div class="title">configfile.hpp</div> </div>
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<a href="configfile_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#ifndef GRAPHCHI_CONFIGFILE_DEF</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor"></span><span class="preprocessor">#define GRAPHCHI_CONFIGFILE_DEF</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <iostream></span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <cstdio></span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <string></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <map></span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <assert.h></span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">namespace </span>graphchi {</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  </div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="comment">// Code for trimming strings copied from + modified</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="comment">// http://stackoverflow.com/questions/479080/trim-is-not-part-of-the-standard-c-c-library</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">const</span> std::string whiteSpaces( <span class="stringliteral">" \f\n\r\t\v"</span> );</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> trimRight( std::string &str,</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">const</span> std::string& trimChars )</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  {</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  std::string::size_type pos = str.find_last_not_of( trimChars );</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  str.erase( pos + 1 ); </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  }</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  </div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> trimLeft( std::string &str,</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">const</span> std::string& trimChars )</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  {</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  std::string::size_type pos = str.find_first_not_of( trimChars );</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  str.erase( 0, pos );</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  }</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">static</span> std::string trim( std::string str)</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  {</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  std::string trimChars = <span class="stringliteral">" \f\n\r\t\v"</span>;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  trimRight( str, trimChars );</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  trimLeft( str, trimChars );</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">return</span> str;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  }</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  </div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  </div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// Removes \n from the end of line</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> _FIXLINE(<span class="keywordtype">char</span> * s) {</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordtype">int</span> len = (int)strlen(s)-1; </div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">if</span>(s[len] == <span class="charliteral">'\n'</span>) s[len] = 0;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">static</span> std::map<std::string, std::string> loadconfig(std::string filename) {</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  FILE * f = fopen(filename.c_str(), <span class="stringliteral">"r"</span>);</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span> (f == NULL) {</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  std::cout << <span class="stringliteral">"ERROR: Could not read configuration file: "</span> << filename << std::endl;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  std::cout << <span class="stringliteral">"Please define environment variable GRAPHCHI_ROOT or run the program from that directory."</span> << std::endl;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  assert(f != NULL);</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">char</span> s[4096];</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  std::map<std::string, std::string> conf;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="comment">// I like C parsing more than C++, that is why this is such a mess</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">while</span>(fgets(s, 4096, f) != NULL) {</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  _FIXLINE(s);</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">if</span> (s[0] == <span class="charliteral">'#'</span>) <span class="keywordflow">continue</span>; <span class="comment">// Comment</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">if</span> (s[0] == <span class="charliteral">'%'</span>) <span class="keywordflow">continue</span>; <span class="comment">// Comment</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordtype">char</span> delims[] = <span class="stringliteral">"="</span>;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordtype">char</span> * t;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  t = strtok(s, delims);</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> * ckey = t;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  t = strtok(NULL, delims);</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> * cval = t;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">if</span> (ckey != NULL && cval != NULL) {</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  std::string key = trim(std::string(ckey));</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  std::string val = trim(std::string(cval));</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  conf[key] = val;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  }</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  </div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">return</span> conf;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  }</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  </div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> };</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="preprocessor"></span></div>
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<div class="title">als_edgefactors.cpp File Reference</div> </div>
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<div class="textblock"><code>#include <string></code><br/>
<code>#include <algorithm></code><br/>
<code>#include "<a class="el" href="graphchi__basic__includes_8hpp_source.html">graphchi_basic_includes.hpp</a>"</code><br/>
<code>#include "<a class="el" href="als_8hpp_source.html">als.hpp</a>"</code><br/>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_a_l_s_edge_factors_program.html">ALSEdgeFactorsProgram</a></td></tr>
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Typedefs</h2></td></tr>
<tr class="memitem:acd2f11571e777894d1d2b0faab84bbb8"><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="structlatentvec__t.html">latentvec_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="als__edgefactors_8cpp.html#acd2f11571e777894d1d2b0faab84bbb8">VertexDataType</a></td></tr>
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typedef <a class="el" href="structals__factor__and__weight.html">als_factor_and_weight</a> </td><td class="memItemRight" valign="bottom"><b>EdgeDataType</b></td></tr>
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int </td><td class="memItemRight" valign="bottom"><b>main</b> (int argc, const char **argv)</td></tr>
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<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><dl class="section author"><dt>Author:</dt><dd>Aapo Kyrola <a href="#" onclick="location.href='mai'+'lto:'+'aky'+'ro'+'la@'+'cs'+'.cm'+'u.'+'edu'; return false;">akyro<span style="display: none;">.nosp@m.</span>la@c<span style="display: none;">.nosp@m.</span>s.cmu<span style="display: none;">.nosp@m.</span>.edu</a> </dd></dl>
<dl class="section version"><dt>Version:</dt><dd>1.0</dd></dl>
<h1><a class="anchor" id="LICENSE"></a>
LICENSE</h1>
<p>Copyright [2012] [Aapo Kyrola, Guy Blelloch, Carlos Guestrin / Carnegie Mellon University]</p>
<p>Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at</p>
<p><a href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a></p>
<p>Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.</p>
<h1><a class="anchor" id="DESCRIPTION"></a>
DESCRIPTION</h1>
<p>Matrix factorizatino with the Alternative Least Squares (ALS) algorithm. This code is based on GraphLab's implementation of ALS by Joey Gonzalez and Danny Bickson (CMU). A good explanation of the algorithm is given in the following paper: Large-Scale Parallel Collaborative Filtering for the Netflix Prize Yunhong Zhou, Dennis Wilkinson, Robert Schreiber and Rong Pan <a href="http://www.springerlink.com/content/j1076u0h14586183/">http://www.springerlink.com/content/j1076u0h14586183/</a></p>
<p>There are two versions of the ALS in the example applications. This version is slower, but works with very low memory. In this implementation, a vertex writes its D-dimensional latent factor to its incident edges. See application "als_vertices_inmem" for a faster version, which requires more memory.</p>
<p>In the code, we use movie-rating terminology for clarity. This code has been tested with the Netflix movie rating challenge, where the task is to predict how user rates movies in range from 1 to 5.</p>
<p>This code is has integrated preprocessing, 'sharding', so it is not necessary to run sharder prior to running the matrix factorization algorithm. Input data must be provided in the Matrix Market format (<a href="http://math.nist.gov/MatrixMarket/formats.html">http://math.nist.gov/MatrixMarket/formats.html</a>).</p>
<p>ALS uses free linear algebra library 'Eigen'. See Readme_Eigen.txt for instructions how to obtain it.</p>
<p>At the end of the processing, the two latent factor matrices are written into files in the matrix market format.</p>
<h1><a class="anchor" id="USAGE"></a>
USAGE</h1>
<p>bin/example_apps/matrix_factorization/als_edgefactors file <matrix-market-input> niters 5 </p>
</div><hr/><h2>Typedef Documentation</h2>
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<p>Type definitions. Remember to create suitable graph shards using the Sharder-program. </p>
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<h3><a class="anchor" id="index_e"></a>- e -</h3><ul>
<li>edge()
: <a class="el" href="classgraphchi_1_1graphchi__vertex.html#a79aebd315e4f333e8ba0e756c265883a">graphchi::graphchi_vertex< VertexDataType, EdgeDataType ></a>
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<li>elapsed_seconds()
: <a class="el" href="classgraphlab_1_1icontext.html#a863010fd33f3721162d253af3583f8bb">graphlab::icontext< GraphType, GatherType, MessageType ></a>
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: <a class="el" href="classgraphchi_1_1sharder.html#aebb6e75ba00e4f4016b9559e45254142">graphchi::sharder< EdgeDataType ></a>
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<li>execute_sharding()
: <a class="el" href="classgraphchi_1_1sharder.html#a8c1af4eca3037578aa7bd5b7cc431c8c">graphchi::sharder< EdgeDataType ></a>
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<li>extend_pivotrange()
: <a class="el" href="classadjlist__container.html#ac43be3ce9e2e0f19cc1d52e13f766e28">adjlist_container</a>
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<div class="title">slidingshard.hpp File Reference</div> </div>
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<div class="textblock"><code>#include <iostream></code><br/>
<code>#include <cstdio></code><br/>
<code>#include <sstream></code><br/>
<code>#include <vector></code><br/>
<code>#include <fcntl.h></code><br/>
<code>#include <unistd.h></code><br/>
<code>#include <assert.h></code><br/>
<code>#include <string></code><br/>
<code>#include "<a class="el" href="graph__objects_8hpp_source.html">api/graph_objects.hpp</a>"</code><br/>
<code>#include "<a class="el" href="metrics_8hpp_source.html">metrics/metrics.hpp</a>"</code><br/>
<code>#include "<a class="el" href="logger_8hpp_source.html">logger/logger.hpp</a>"</code><br/>
<code>#include "<a class="el" href="stripedio_8hpp_source.html">io/stripedio.hpp</a>"</code><br/>
<code>#include "graphchi_types.hpp"</code><br/>
</div>
<p><a href="slidingshard_8hpp_source.html">Go to the source code of this file.</a></p>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structgraphchi_1_1sblock.html">graphchi::sblock</a></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structgraphchi_1_1indexentry.html">graphchi::indexentry</a></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgraphchi_1_1sliding__shard.html">graphchi::sliding_shard< VT, ET, svertex_t, ETspecial ></a></td></tr>
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<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><dl class="section author"><dt>Author:</dt><dd>Aapo Kyrola <a href="#" onclick="location.href='mai'+'lto:'+'aky'+'ro'+'la@'+'cs'+'.cm'+'u.'+'edu'; return false;">akyro<span style="display: none;">.nosp@m.</span>la@c<span style="display: none;">.nosp@m.</span>s.cmu<span style="display: none;">.nosp@m.</span>.edu</a> </dd></dl>
<dl class="section version"><dt>Version:</dt><dd>1.0</dd></dl>
<h1><a class="anchor" id="LICENSE"></a>
LICENSE</h1>
<p>Copyright [2012] [Aapo Kyrola, Guy Blelloch, Carlos Guestrin / Carnegie Mellon University]</p>
<p>Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at</p>
<p><a href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a></p>
<p>Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.</p>
<h1><a class="anchor" id="DESCRIPTION"></a>
DESCRIPTION</h1>
<p>The sliding shard. </p>
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<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>EdgeDataType</b> typedef (defined in <a class="el" href="classgraphchi_1_1_graph_chi_program.html">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1_graph_chi_program.html">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a></td><td class="entry"></td></tr>
<tr><td class="entry"><a class="el" href="struct_my_graph_chi_program.html#abdfcf1ebfeaa35790060e9f79dff4209">update</a>(graphchi_vertex< VertexDataType, EdgeDataType > &vertex, graphchi_context &gcontext)</td><td class="entry"><a class="el" href="struct_my_graph_chi_program.html">MyGraphChiProgram</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>VertexDataType</b> typedef (defined in <a class="el" href="classgraphchi_1_1_graph_chi_program.html">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1_graph_chi_program.html">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>~GraphChiProgram</b>() (defined in <a class="el" href="classgraphchi_1_1_graph_chi_program.html">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1_graph_chi_program.html">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr>
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<div class="title">CommunityDetectionProgram Struct Reference</div> </div>
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Inheritance diagram for CommunityDetectionProgram:</div>
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<img src="struct_community_detection_program.png" usemap="#CommunityDetectionProgram_map" alt=""/>
<map id="CommunityDetectionProgram_map" name="CommunityDetectionProgram_map">
<area href="classgraphchi_1_1_graph_chi_program.html" alt="graphchi::GraphChiProgram< VertexDataType, EdgeDataType >" shape="rect" coords="0,0,377,24"/>
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<p><a href="struct_community_detection_program-members.html">List of all members.</a></p>
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<tr class="heading"><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:aa371bbe8d4e79cb7cc512d9f77e9496c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_community_detection_program.html#aa371bbe8d4e79cb7cc512d9f77e9496c">update</a> (<a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi_vertex</a>< VertexDataType, EdgeDataType > &vertex, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
<tr class="memitem:a3dde791f5dec796cd9c6e0a61da114cc"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_community_detection_program.html#a3dde791f5dec796cd9c6e0a61da114cc">before_iteration</a> (int iteration, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &info)</td></tr>
<tr class="memitem:ad7a1b4c6b9dcb29a2b4286d123044c2e"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_community_detection_program.html#ad7a1b4c6b9dcb29a2b4286d123044c2e">after_iteration</a> (int iteration, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &ginfo)</td></tr>
<tr class="memitem:aa8a15b9afd3731712ac3e01a9491d7c1"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_community_detection_program.html#aa8a15b9afd3731712ac3e01a9491d7c1">before_exec_interval</a> (vid_t window_st, vid_t window_en, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &ginfo)</td></tr>
<tr class="memitem:a76118f786af150806ed45fb4cb1b18e3"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_community_detection_program.html#a76118f786af150806ed45fb4cb1b18e3">after_exec_interval</a> (vid_t window_st, vid_t window_en, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &ginfo)</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_types_classgraphchi_1_1_graph_chi_program"><td colspan="2" onclick="javascript:toggleInherit('pub_types_classgraphchi_1_1_graph_chi_program')"><img src="closed.png" alt="-"/> Public Types inherited from <a class="el" href="classgraphchi_1_1_graph_chi_program.html">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a></td></tr>
<tr class="memitem:aac56995fb8ac698f229ff0477e71d30f inherit pub_types_classgraphchi_1_1_graph_chi_program"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aac56995fb8ac698f229ff0477e71d30f"></a>
typedef VertexDataType </td><td class="memItemRight" valign="bottom"><b>VertexDataType</b></td></tr>
<tr class="memitem:a16c23705a587cae77c8c1761be6ebe81 inherit pub_types_classgraphchi_1_1_graph_chi_program"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a16c23705a587cae77c8c1761be6ebe81"></a>
typedef EdgeDataType </td><td class="memItemRight" valign="bottom"><b>EdgeDataType</b></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>GraphChi programs need to subclass GraphChiProgram<vertex-type, edge-type> class. The main logic is usually in the update function. </p>
</div><hr/><h2>Member Function Documentation</h2>
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<td class="memname">void CommunityDetectionProgram::after_exec_interval </td>
<td>(</td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>window_st</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>window_en</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>ginfo</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
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<p>Called after an execution interval has finished. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#a9be881d1232e530c8d1852188cc8a84d">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void CommunityDetectionProgram::after_iteration </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>iteration</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>ginfo</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
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<p>Called after an iteration has finished. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#a24259d43b85d28af16d53a4176d29a07">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void CommunityDetectionProgram::before_exec_interval </td>
<td>(</td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>window_st</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>window_en</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>ginfo</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<p>Called before an execution interval is started. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#ab2f7244ddb743deb859dbc2fc927078a">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void CommunityDetectionProgram::before_iteration </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>iteration</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>info</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
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<p>Called before an iteration starts. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#aec6d16fd6dddf1543afe55360a653cf2">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void CommunityDetectionProgram::update </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi_vertex</a>< VertexDataType, EdgeDataType > & </td>
<td class="paramname"><em>vertex</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>gcontext</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Vertex update function. </p>
<p>Write my label to my neighbors.</p>
<p>Implements <a class="el" href="classgraphchi_1_1_graph_chi_program.html#ad76f8881627e3c039144e261bfc77770">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
</div>
</div>
<hr/>The documentation for this struct was generated from the following file:<ul>
<li>example_apps/<a class="el" href="communitydetection_8cpp.html">communitydetection.cpp</a></li>
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<tr id="row_40_0_" style="display:none;"><td class="entry"><img src="ftv2vertline.png" alt="|" width="16" height="22" /><img src="ftv2lastnode.png" alt="\" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="classgraphchi_1_1graphchi__vertex.html" target="_self">graphchi::graphchi_vertex< VertexDataType, EdgeDataType ></a></td><td class="desc"></td></tr>
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<tr id="row_42_0_" style="display:none;"><td class="entry"><img src="ftv2vertline.png" alt="|" width="16" height="22" /><img id="arr_42_0_" src="ftv2plastnode.png" alt="\" width="16" height="22" onclick="toggleFolder('42_0_')"/><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="classgraphchi_1_1graphchi__vertex.html" target="_self">graphchi::graphchi_vertex< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType > ></a></td><td class="desc"></td></tr>
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<tr id="row_45_"><td class="entry"><img id="arr_45_" src="ftv2pnode.png" alt="o" width="16" height="22" onclick="toggleFolder('45_')"/><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="structgraphlab_1_1_i_s___p_o_d___t_y_p_e.html" target="_self">graphlab::IS_POD_TYPE</a></td><td class="desc"></td></tr>
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<tr id="row_45_1_" class="even" style="display:none;"><td class="entry"><img src="ftv2vertline.png" alt="|" width="16" height="22" /><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="structedge__data.html" target="_self">edge_data</a></td><td class="desc">The edge data stores the entry in the matrix</td></tr>
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<tr id="row_46_0_" style="display:none;"><td class="entry"><img src="ftv2vertline.png" alt="|" width="16" height="22" /><img src="ftv2lastnode.png" alt="\" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="classgraphchi_1_1bitset__scheduler.html" target="_self">graphchi::bitset_scheduler</a></td><td class="desc"></td></tr>
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<tr id="row_48_0_" style="display:none;"><td class="entry"><img src="ftv2vertline.png" alt="|" width="16" height="22" /><img src="ftv2lastnode.png" alt="\" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="classals__vertex__program.html" target="_self">als_vertex_program</a></td><td class="desc"></td></tr>
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<tr id="row_53_"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="structlog__dispatch_3_01true_01_4.html" target="_self">log_dispatch< true ></a></td><td class="desc"></td></tr>
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<tr id="row_57_"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="struct_m_d5_context.html" target="_self">MD5Context</a></td><td class="desc"></td></tr>
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<tr id="row_59_"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="structmessage.html" target="_self">message</a></td><td class="desc"></td></tr>
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<tr id="row_61_"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="structgraphchi_1_1metrics__entry.html" target="_self">graphchi::metrics_entry</a></td><td class="desc"></td></tr>
<tr id="row_62_" class="even"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="structmg__auth__header.html" target="_self">mg_auth_header</a></td><td class="desc"></td></tr>
<tr id="row_63_"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="structmg__connection.html" target="_self">mg_connection</a></td><td class="desc"></td></tr>
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<tr id="row_65_"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="structmg__request__info_1_1mg__header.html" target="_self">mg_request_info::mg_header</a></td><td class="desc"></td></tr>
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<tr id="row_67_"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="classmongoose_1_1mg__request__info.html" target="_self">mongoose.mg_request_info</a></td><td class="desc"></td></tr>
<tr id="row_68_" class="even"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="structmg__request__info.html" target="_self">mg_request_info</a></td><td class="desc"></td></tr>
<tr id="row_69_"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="structmgstat.html" target="_self">mgstat</a></td><td class="desc"></td></tr>
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<tr id="row_71_"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="classmongoose_1_1_mongoose.html" target="_self">mongoose.Mongoose</a></td><td class="desc"></td></tr>
<tr id="row_72_" class="even"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="class_mongoose_connection.html" target="_self">MongooseConnection</a></td><td class="desc"></td></tr>
<tr id="row_73_"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="classmongoose_1_1_mongoose_connection.html" target="_self">mongoose::MongooseConnection</a></td><td class="desc"></td></tr>
<tr id="row_74_" class="even"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="struct_mongoose_header.html" target="_self">MongooseHeader</a></td><td class="desc"></td></tr>
<tr id="row_75_"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="classmongoose_1_1_mongoose_request.html" target="_self">mongoose::MongooseRequest</a></td><td class="desc"></td></tr>
<tr id="row_76_" class="even"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="struct_mongoose_request_info.html" target="_self">MongooseRequestInfo</a></td><td class="desc"></td></tr>
<tr id="row_77_"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="classmongoose_1_1_mongoose_response.html" target="_self">mongoose::MongooseResponse</a></td><td class="desc"></td></tr>
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<tr id="row_81_"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="structgraphchi_1_1_pair_container.html" target="_self">graphchi::PairContainer< ET ></a></td><td class="desc"></td></tr>
<tr id="row_82_" class="even"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="structgraphchi_1_1_pair_container.html" target="_self">graphchi::PairContainer< KERNEL::EdgeDataType ></a></td><td class="desc"></td></tr>
<tr id="row_83_"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="structgraphchi_1_1pinned__file.html" target="_self">graphchi::pinned_file</a></td><td class="desc"></td></tr>
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<tr id="row_85_"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="class_program.html" target="_self">Program</a></td><td class="desc"></td></tr>
<tr id="row_86_" class="even"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="structgraphchi_1_1refcountptr.html" target="_self">graphchi::refcountptr</a></td><td class="desc"></td></tr>
<tr id="row_87_"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="classgraphchi_1_1rwlock.html" target="_self">graphchi::rwlock</a></td><td class="desc"></td></tr>
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<tr id="row_89_"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="classgraphchi_1_1semaphore.html" target="_self">graphchi::semaphore</a></td><td class="desc"></td></tr>
<tr id="row_90_" class="even"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="structsession.html" target="_self">session</a></td><td class="desc"></td></tr>
<tr id="row_91_"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="classgraphchi_1_1sharder.html" target="_self">graphchi::sharder< EdgeDataType ></a></td><td class="desc"></td></tr>
<tr id="row_92_" class="even"><td class="entry"><img id="arr_92_" src="ftv2pnode.png" alt="o" width="16" height="22" onclick="toggleFolder('92_')"/><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="classgraphchi_1_1_sharder_preprocessor.html" target="_self">graphchi::SharderPreprocessor< EdgeDataType ></a></td><td class="desc"></td></tr>
<tr id="row_92_0_" style="display:none;"><td class="entry"><img src="ftv2vertline.png" alt="|" width="16" height="22" /><img src="ftv2lastnode.png" alt="\" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="classgraphchi_1_1_order_by_degree.html" target="_self">graphchi::OrderByDegree< EdgeDataType ></a></td><td class="desc"></td></tr>
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<tr id="row_105_0_" class="even" style="display:none;"><td class="entry"><img src="ftv2vertline.png" alt="|" width="16" height="22" /><img src="ftv2lastnode.png" alt="\" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="struct_m_m_outputter.html" target="_self">MMOutputter</a></td><td class="desc"></td></tr>
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<tr bgcolor="#f0f0f0"><td class="entry"><b>is_ssl</b> (defined in <a class="el" href="structsocket.html">socket</a>)</td><td class="entry"><a class="el" href="structsocket.html">socket</a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>lsa</b> (defined in <a class="el" href="structsocket.html">socket</a>)</td><td class="entry"><a class="el" href="structsocket.html">socket</a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>next</b> (defined in <a class="el" href="structsocket.html">socket</a>)</td><td class="entry"><a class="el" href="structsocket.html">socket</a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>rsa</b> (defined in <a class="el" href="structsocket.html">socket</a>)</td><td class="entry"><a class="el" href="structsocket.html">socket</a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>sock</b> (defined in <a class="el" href="structsocket.html">socket</a>)</td><td class="entry"><a class="el" href="structsocket.html">socket</a></td><td class="entry"></td></tr>
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<li>analyze_labels()
: <a class="el" href="labelanalysis_8hpp.html#a7d946005d286e451555dcc32a6b1f862">labelanalysis.hpp</a>
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<li>convert_matrixmarket_for_ALS()
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<li>convert_matrixmarket_for_ALS_graphlab()
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<li>dynamic_graph_reader()
: <a class="el" href="streaming__pagerank_8cpp.html#a07cffb3d80a3b3a9f675df2f3a7f8fdd">streaming_pagerank.cpp</a>
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<li>get_other_vertex()
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 </td><td class="memItemRight" valign="bottom"><b>memory_shard</b> (<a class="el" href="classgraphchi_1_1stripedio.html">stripedio</a> *iomgr, std::string _filename_edata, std::string _filename_adj, vid_t _range_start, vid_t _range_end, <a class="el" href="classgraphchi_1_1metrics.html">metrics</a> &_m)</td></tr>
<tr class="memitem:a7b1304bddd0f80bda65a3e15ac7e7e3e"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgraphchi_1_1memory__shard.html#a7b1304bddd0f80bda65a3e15ac7e7e3e">commit</a> (bool all)</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>loaded</b> ()</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>load</b> ()</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>check_stream_progress</b> (int toread, size_t pos)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>load_vertices</b> (vid_t window_st, vid_t window_en, std::vector< svertex_t > &prealloc, bool inedges=true, bool outedges=true)</td></tr>
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size_t </td><td class="memItemRight" valign="bottom"><b>offset_for_stream_cont</b> ()</td></tr>
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vid_t </td><td class="memItemRight" valign="bottom"><b>offset_vid_for_stream_cont</b> ()</td></tr>
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size_t </td><td class="memItemRight" valign="bottom"><b>edata_ptr_for_stream_cont</b> ()</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>only_adjacency</b></td></tr>
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template<typename VT , typename ET , typename svertex_t = graphchi_vertex<VT, ET>, typename ETspecial = ET> </div>
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<td class="memname">void <a class="el" href="classgraphchi_1_1memory__shard.html">graphchi::memory_shard</a>< VT, ET, svertex_t, ETspecial >::commit </td>
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<p>This is an optimization that is relevant only if memory shard has been used in a case where only out-edges are considered. Out-edges are in a continuous "window", while in-edges are scattered all over the shard</p>
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virtual void </td><td class="memItemRight" valign="bottom"><b>do_report</b> (std::string name, std::string ident, std::map< std::string, <a class="el" href="structgraphchi_1_1metrics__entry.html">metrics_entry</a> > &entries)</td></tr>
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virtual void </td><td class="memItemRight" valign="bottom"><b>do_report</b> (std::string name, std::string ident, std::map< std::string, <a class="el" href="structgraphchi_1_1metrics__entry.html">metrics_entry</a> > &entries)</td></tr>
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<p><code>#include <<a class="el" href="stripedio_8hpp_source.html">stripedio.hpp</a>></code></p>
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Public Attributes</h2></td></tr>
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<a class="el" href="structgraphchi_1_1pinned__file.html">pinned_file</a> * </td><td class="memItemRight" valign="bottom"><b>pinned_to_memory</b></td></tr>
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int </td><td class="memItemRight" valign="bottom"><b>start_mplex</b></td></tr>
<tr class="memitem:a9b8ea1779e467b4ba82b9d2e8240b436"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9b8ea1779e467b4ba82b9d2e8240b436"></a>
bool </td><td class="memItemRight" valign="bottom"><b>open</b></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>Defines a striped file access. </p>
</div><hr/>The documentation for this struct was generated from the following file:<ul>
<li>src/io/<a class="el" href="stripedio_8hpp_source.html">stripedio.hpp</a></li>
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<div class="textblock"><code>#include <cstdio></code><br/>
<code>#include "<a class="el" href="metrics_8hpp_source.html">metrics/metrics.hpp</a>"</code><br/>
</div>
<p><a href="reps_2html__reporter_8hpp_source.html">Go to the source code of this file.</a></p>
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<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><dl class="section author"><dt>Author:</dt><dd>Aapo Kyrola <a href="#" onclick="location.href='mai'+'lto:'+'aky'+'ro'+'la@'+'cs'+'.cm'+'u.'+'edu'; return false;">akyro<span style="display: none;">.nosp@m.</span>la@c<span style="display: none;">.nosp@m.</span>s.cmu<span style="display: none;">.nosp@m.</span>.edu</a> </dd></dl>
<dl class="section version"><dt>Version:</dt><dd>1.0</dd></dl>
<h1><a class="anchor" id="LICENSE"></a>
LICENSE</h1>
<p>Copyright [2012] [Aapo Kyrola, Guy Blelloch, Carlos Guestrin / Carnegie Mellon University]</p>
<p>Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at</p>
<p><a href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a></p>
<p>Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.</p>
<h1><a class="anchor" id="DESCRIPTION"></a>
DESCRIPTION</h1>
<p>File metrics reporter. </p>
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<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>operator!=</b>(const latentvec_t &oth) const (defined in <a class="el" href="structlatentvec__t.html">latentvec_t</a>)</td><td class="entry"><a class="el" href="structlatentvec__t.html">latentvec_t</a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>operator[]</b>(int idx) (defined in <a class="el" href="structlatentvec__t.html">latentvec_t</a>)</td><td class="entry"><a class="el" href="structlatentvec__t.html">latentvec_t</a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
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<div class="textblock"><code>#include <map></code><br/>
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<p><a href="imetrics__reporter_8hpp_source.html">Go to the source code of this file.</a></p>
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<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><dl class="section author"><dt>Author:</dt><dd>Aapo Kyrola <a href="#" onclick="location.href='mai'+'lto:'+'aky'+'ro'+'la@'+'cs'+'.cm'+'u.'+'edu'; return false;">akyro<span style="display: none;">.nosp@m.</span>la@c<span style="display: none;">.nosp@m.</span>s.cmu<span style="display: none;">.nosp@m.</span>.edu</a> </dd></dl>
<dl class="section version"><dt>Version:</dt><dd>1.0</dd></dl>
<h1><a class="anchor" id="LICENSE"></a>
LICENSE</h1>
<p>Copyright [2012] [Aapo Kyrola, Guy Blelloch, Carlos Guestrin / Carnegie Mellon University]</p>
<p>Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at</p>
<p><a href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a></p>
<p>Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.</p>
<h1><a class="anchor" id="DESCRIPTION"></a>
DESCRIPTION</h1>
<p>Interface for metrics reporters. </p>
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<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>dec</b>(T val) (defined in <a class="el" href="classgraphchi_1_1atomic.html">graphchi::atomic< T ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1atomic.html">graphchi::atomic< T ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
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<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>inc</b>(T val) (defined in <a class="el" href="classgraphchi_1_1atomic.html">graphchi::atomic< T ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1atomic.html">graphchi::atomic< T ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>value</b> (defined in <a class="el" href="classgraphchi_1_1atomic.html">graphchi::atomic< T ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1atomic.html">graphchi::atomic< T ></a></td><td class="entry"></td></tr>
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<div class="textblock"><code>#include <vector></code><br/>
<code>#include <algorithm></code><br/>
<code>#include <errno.h></code><br/>
<code>#include <assert.h></code><br/>
<code>#include "<a class="el" href="logger_8hpp_source.html">logger/logger.hpp</a>"</code><br/>
<code>#include "util/merge.hpp"</code><br/>
<code>#include "<a class="el" href="ioutil_8hpp_source.html">util/ioutil.hpp</a>"</code><br/>
<code>#include "util/qsort.hpp"</code><br/>
<code>#include "<a class="el" href="chifilenames_8hpp_source.html">api/chifilenames.hpp</a>"</code><br/>
</div>
<p><a href="toplist_8hpp_source.html">Go to the source code of this file.</a></p>
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Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structgraphchi_1_1vertex__value.html">graphchi::vertex_value< VertexDataType ></a></td></tr>
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template<typename VertexDataType > </td></tr>
<tr class="memitem:a98550b20ef175af94dafe5f73eaed1ae"><td class="memTemplItemLeft" align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><b>graphchi::vertex_value_greater</b> (const vertex_value< <a class="el" href="basic__dynamicengine__smoketest_8cpp.html#acf10237949ab87b83055ff6aa646c565">VertexDataType</a> > &a, const vertex_value< <a class="el" href="basic__dynamicengine__smoketest_8cpp.html#acf10237949ab87b83055ff6aa646c565">VertexDataType</a> > &b)</td></tr>
<tr class="memitem:aad644c5b45d81ce334331029e08b24ec"><td class="memTemplParams" colspan="2">template<typename VertexDataType > </td></tr>
<tr class="memitem:aad644c5b45d81ce334331029e08b24ec"><td class="memTemplItemLeft" align="right" valign="top">std::vector< vertex_value<br class="typebreak"/>
< <a class="el" href="basic__dynamicengine__smoketest_8cpp.html#acf10237949ab87b83055ff6aa646c565">VertexDataType</a> > > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacegraphchi.html#aad644c5b45d81ce334331029e08b24ec">graphchi::get_top_vertices</a> (std::string basefilename, int ntop)</td></tr>
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<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><dl class="section author"><dt>Author:</dt><dd>Aapo Kyrola <a href="#" onclick="location.href='mai'+'lto:'+'aky'+'ro'+'la@'+'cs'+'.cm'+'u.'+'edu'; return false;">akyro<span style="display: none;">.nosp@m.</span>la@c<span style="display: none;">.nosp@m.</span>s.cmu<span style="display: none;">.nosp@m.</span>.edu</a> </dd></dl>
<dl class="section version"><dt>Version:</dt><dd>1.0</dd></dl>
<h1><a class="anchor" id="LICENSE"></a>
LICENSE</h1>
<p>Copyright [2012] [Aapo Kyrola, Guy Blelloch, Carlos Guestrin / Carnegie Mellon University]</p>
<p>Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at</p>
<p><a href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a></p>
<p>Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.</p>
<h1><a class="anchor" id="DESCRIPTION"></a>
DESCRIPTION</h1>
<p>Tools for listing the TOP K values from a verte data file. </p>
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Public Member Functions</h2></td></tr>
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 </td><td class="memItemRight" valign="bottom"><b>iotask</b> (<a class="el" href="classgraphchi_1_1stripedio.html">stripedio</a> *iomgr, BLOCK_ACTION act, int fd, <a class="el" href="structgraphchi_1_1refcountptr.html">refcountptr</a> *ptr, size_t length, size_t offset, size_t ptroffset, bool free_after=false)</td></tr>
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Public Attributes</h2></td></tr>
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BLOCK_ACTION </td><td class="memItemRight" valign="bottom"><b>action</b></td></tr>
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int </td><td class="memItemRight" valign="bottom"><b>fd</b></td></tr>
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<a class="el" href="structgraphchi_1_1refcountptr.html">refcountptr</a> * </td><td class="memItemRight" valign="bottom"><b>ptr</b></td></tr>
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size_t </td><td class="memItemRight" valign="bottom"><b>length</b></td></tr>
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size_t </td><td class="memItemRight" valign="bottom"><b>offset</b></td></tr>
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size_t </td><td class="memItemRight" valign="bottom"><b>ptroffset</b></td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>free_after</b></td></tr>
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<a class="el" href="classgraphchi_1_1stripedio.html">stripedio</a> * </td><td class="memItemRight" valign="bottom"><b>iomgr</b></td></tr>
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<hr/>The documentation for this struct was generated from the following file:<ul>
<li>src/io/<a class="el" href="stripedio_8hpp_source.html">stripedio.hpp</a></li>
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<a href="conversions_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#ifndef GRAPHCHI_CONVERSIONS_DEF</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor"></span><span class="preprocessor">#define GRAPHCHI_CONVERSIONS_DEF</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <fcntl.h></span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <unistd.h></span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "graphchi_types.hpp"</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "<a class="code" href="logger_8hpp.html">logger/logger.hpp</a>"</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include "<a class="code" href="sharder_8hpp.html">preprocessing/sharder.hpp</a>"</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#ifdef __GNUC__</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor"></span><span class="preprocessor">#define VARIABLE_IS_NOT_USED __attribute__ ((unused))</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor"></span><span class="preprocessor">#else</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"><a class="code" href="conversions_8hpp.html#a374bd2d6076b95bff33ea625a1e25e09"> 45</a></span> <span class="preprocessor"></span><span class="preprocessor">#define VARIABLE_IS_NOT_USED</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">namespace </span>graphchi {</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="comment">/* Simple string to number parsers */</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="conversions_8hpp.html#a374bd2d6076b95bff33ea625a1e25e09">VARIABLE_IS_NOT_USED</a> parse(<span class="keywordtype">int</span> &x, <span class="keyword">const</span> <span class="keywordtype">char</span> * s);</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="conversions_8hpp.html#a374bd2d6076b95bff33ea625a1e25e09">VARIABLE_IS_NOT_USED</a> parse(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> &x, <span class="keyword">const</span> <span class="keywordtype">char</span> * s);</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="conversions_8hpp.html#a374bd2d6076b95bff33ea625a1e25e09">VARIABLE_IS_NOT_USED</a> parse(<span class="keywordtype">float</span> &x, <span class="keyword">const</span> <span class="keywordtype">char</span> * s);</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="conversions_8hpp.html#a374bd2d6076b95bff33ea625a1e25e09">VARIABLE_IS_NOT_USED</a> parse(<span class="keywordtype">long</span> &x, <span class="keyword">const</span> <span class="keywordtype">char</span> * s);</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="conversions_8hpp.html#a374bd2d6076b95bff33ea625a1e25e09">VARIABLE_IS_NOT_USED</a> parse(<span class="keywordtype">char</span> &x, <span class="keyword">const</span> <span class="keywordtype">char</span> * s);</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="conversions_8hpp.html#a374bd2d6076b95bff33ea625a1e25e09">VARIABLE_IS_NOT_USED</a> parse(<span class="keywordtype">bool</span> &x, <span class="keyword">const</span> <span class="keywordtype">char</span> * s);</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="conversions_8hpp.html#a374bd2d6076b95bff33ea625a1e25e09">VARIABLE_IS_NOT_USED</a> parse(<span class="keywordtype">double</span> &x, <span class="keyword">const</span> <span class="keywordtype">char</span> * s);</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="conversions_8hpp.html#a374bd2d6076b95bff33ea625a1e25e09">VARIABLE_IS_NOT_USED</a> parse(<span class="keywordtype">short</span> &x, <span class="keyword">const</span> <span class="keywordtype">char</span> * s);</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> FIXLINE(<span class="keywordtype">char</span> * s);</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> parse(<span class="keywordtype">int</span> &x, <span class="keyword">const</span> <span class="keywordtype">char</span> * s) {</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  x = atoi(s);</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  }</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> parse(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> &x, <span class="keyword">const</span> <span class="keywordtype">char</span> * s) {</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  x = (<span class="keywordtype">unsigned</span> int) strtoul(s, NULL, 10);</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  }</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> parse(<span class="keywordtype">float</span> &x, <span class="keyword">const</span> <span class="keywordtype">char</span> * s) {</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  x = (float) atof(s);</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  </div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00078"></a><span class="lineno"><a class="code" href="namespacegraphchi.html#ace1ff5b8c766b05e4d3a74cc21038a6b"> 78</a></span>  <span class="keywordtype">void</span> parse(<a class="code" href="structgraphchi_1_1_pair_container.html">PairContainer<T></a> &x, <span class="keyword">const</span> <span class="keywordtype">char</span> * s) {</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  parse(x.left, s);</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  parse(x.right, s);</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  }</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  </div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> parse(<span class="keywordtype">long</span> &x, <span class="keyword">const</span> <span class="keywordtype">char</span> * s) {</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  x = atol(s);</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  </div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> parse(<span class="keywordtype">char</span> &x, <span class="keyword">const</span> <span class="keywordtype">char</span> * s) {</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  x = s[0];</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  }</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  </div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> parse(<span class="keywordtype">bool</span> &x, <span class="keyword">const</span> <span class="keywordtype">char</span> * s) {</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  x = atoi(s) == 1;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  } </div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  </div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> parse(<span class="keywordtype">double</span> &x, <span class="keyword">const</span> <span class="keywordtype">char</span> * s) {</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  x = atof(s);</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  } </div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> parse(<span class="keywordtype">short</span> &x, <span class="keyword">const</span> <span class="keywordtype">char</span> * s) {</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  x = (short) atoi(s);</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  </div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="comment">// Catch all</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordtype">void</span> parse(T &x, <span class="keyword">const</span> <span class="keywordtype">char</span> * s) {</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  logstream(<a class="code" href="logger_8hpp.html#ac2164369b4d2bf72296f8ba6ea576ecf">LOG_FATAL</a>) << <span class="stringliteral">"You need to define parse<your-type>(your-type &x, const char *s) function"</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  << <span class="stringliteral">" to support parsing the edge value."</span> << std::endl;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  assert(<span class="keyword">false</span>);</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  </div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  </div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  </div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">// Removes \n from the end of line</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordtype">void</span> FIXLINE(<span class="keywordtype">char</span> * s) {</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">int</span> len = (int) strlen(s)-1; </div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">if</span>(s[len] == <span class="charliteral">'\n'</span>) s[len] = 0;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  }</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  </div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  </div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> EdgeDataType></div>
<div class="line"><a name="l00125"></a><span class="lineno"><a class="code" href="namespacegraphchi.html#a99513ad299ae1d25acb71aa322856e5e"> 125</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespacegraphchi.html#a99513ad299ae1d25acb71aa322856e5e">convert_edgelist</a>(std::string inputfile, <a class="code" href="classgraphchi_1_1sharder.html">sharder<EdgeDataType></a> &sharderobj) {</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  FILE * inf = fopen(inputfile.c_str(), <span class="stringliteral">"r"</span>);</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  </div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">if</span> (inf == NULL) {</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  logstream(<a class="code" href="logger_8hpp.html#ac2164369b4d2bf72296f8ba6ea576ecf">LOG_FATAL</a>) << <span class="stringliteral">"Could not load :"</span> << inputfile << <span class="stringliteral">" error: "</span> << strerror(errno) << std::endl;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  }</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  assert(inf != NULL);</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  </div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Reading in edge list format!"</span> << std::endl;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordtype">char</span> s[1024];</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">while</span>(fgets(s, 1024, inf) != NULL) {</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  FIXLINE(s);</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">if</span> (s[0] == <span class="charliteral">'#'</span>) <span class="keywordflow">continue</span>; <span class="comment">// Comment</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">if</span> (s[0] == <span class="charliteral">'%'</span>) <span class="keywordflow">continue</span>; <span class="comment">// Comment</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  </div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordtype">char</span> delims[] = <span class="stringliteral">"\t "</span>; </div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordtype">char</span> * t;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  t = strtok(s, delims);</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  vid_t from = atoi(t);</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  t = strtok(NULL, delims);</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  vid_t to = atoi(t);</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  </div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">/* Check if has value */</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  t = strtok(NULL, delims);</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  EdgeDataType val;</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">if</span> (t != NULL) {</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  parse(val, (<span class="keyword">const</span> <span class="keywordtype">char</span>*) t);</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  val = EdgeDataType();</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">if</span> (from != to) {</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  sharderobj.<a class="code" href="classgraphchi_1_1sharder.html#ad902ff8fdee18b7eb5193fabd25d8d49">preprocessing_add_edge</a>(from, to, val);</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  }</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  fclose(inf);</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  }</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  </div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> EdgeDataType></div>
<div class="line"><a name="l00167"></a><span class="lineno"><a class="code" href="namespacegraphchi.html#aad30a81856fd56402d4ced270e5ff0aa"> 167</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespacegraphchi.html#aad30a81856fd56402d4ced270e5ff0aa">convert_adjlist</a>(std::string inputfile, <a class="code" href="classgraphchi_1_1sharder.html">sharder<EdgeDataType></a> &sharderobj) {</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  FILE * inf = fopen(inputfile.c_str(), <span class="stringliteral">"r"</span>);</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">if</span> (inf == NULL) {</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  logstream(<a class="code" href="logger_8hpp.html#ac2164369b4d2bf72296f8ba6ea576ecf">LOG_FATAL</a>) << <span class="stringliteral">"Could not load :"</span> << inputfile << <span class="stringliteral">" error: "</span> << strerror(errno) << std::endl;</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  }</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  assert(inf != NULL);</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Reading in adjacency list format!"</span> << std::endl;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  </div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordtype">int</span> maxlen = 100000000;</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordtype">char</span> * s = (<span class="keywordtype">char</span>*) malloc(maxlen); </div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  </div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordtype">char</span> delims[] = <span class="stringliteral">" \t"</span>;</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordtype">size_t</span> linenum = 0;</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="comment">/*** PHASE 1 - count ***/</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">while</span>(fgets(s, maxlen, inf) != NULL) {</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  linenum++;</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  FIXLINE(s);</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">if</span> (s[0] == <span class="charliteral">'#'</span>) <span class="keywordflow">continue</span>; <span class="comment">// Comment</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">if</span> (s[0] == <span class="charliteral">'%'</span>) <span class="keywordflow">continue</span>; <span class="comment">// Comment</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordtype">char</span> * t = strtok(s, delims);</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  vid_t from = atoi(t);</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  t = strtok(NULL,delims);</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">if</span> (t != NULL) {</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  vid_t num = atoi(t);</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  vid_t i = 0;</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">while</span>((t = strtok(NULL,delims)) != NULL) {</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  vid_t to = atoi(t);</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">if</span> (from != to) {</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  sharderobj.<a class="code" href="classgraphchi_1_1sharder.html#ad902ff8fdee18b7eb5193fabd25d8d49">preprocessing_add_edge</a>(from, to, EdgeDataType());</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  }</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  i++;</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  }</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">if</span> (num != i)</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  logstream(<a class="code" href="logger_8hpp.html#aced66975c154ea0e2a8ec3bc818b4e08">LOG_ERROR</a>) << <span class="stringliteral">"Mismatch when reading adjacency list: "</span> << num << <span class="stringliteral">" != "</span> << i << <span class="stringliteral">" s: "</span> << std::string(s)</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  << <span class="stringliteral">" on line: "</span> << linenum << std::endl;</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  assert(num == i);</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  }</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  }</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  free(s);</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  }</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  </div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  </div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> EdgeDataType></div>
<div class="line"><a name="l00215"></a><span class="lineno"><a class="code" href="classgraphchi_1_1_sharder_preprocessor.html"> 215</a></span>  <span class="keyword">class </span><a class="code" href="classgraphchi_1_1_sharder_preprocessor.html">SharderPreprocessor</a> {</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keyword">virtual</span> ~<a class="code" href="classgraphchi_1_1_sharder_preprocessor.html">SharderPreprocessor</a>() {}</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keyword">virtual</span> std::string getSuffix() = 0;</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> reprocess(std::string preprocFilename, std::string basefileName) = 0;</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  };</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  </div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> EdgeDataType></div>
<div class="line"><a name="l00227"></a><span class="lineno"><a class="code" href="namespacegraphchi.html#adbb0197281c952e57861a4a243f2148f"> 227</a></span>  <span class="keywordtype">int</span> <a class="code" href="namespacegraphchi.html#adbb0197281c952e57861a4a243f2148f">convert</a>(std::string basefilename, std::string nshards_string, <a class="code" href="classgraphchi_1_1_sharder_preprocessor.html">SharderPreprocessor<EdgeDataType></a> * preprocessor = NULL) {</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  std::string suffix = <span class="stringliteral">""</span>;</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">if</span> (preprocessor != NULL) {</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  suffix = preprocessor->getSuffix();</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  }</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <a class="code" href="classgraphchi_1_1sharder.html">sharder<EdgeDataType></a> sharderobj(basefilename + suffix);</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  </div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">if</span> (!sharderobj.<a class="code" href="classgraphchi_1_1sharder.html#a9473263ad2cfc83c11100e7cf253e10c">preprocessed_file_exists</a>()) {</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  std::string file_type_str = get_option_string_interactive(<span class="stringliteral">"filetype"</span>, <span class="stringliteral">"edgelist, adjlist"</span>);</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">if</span> (file_type_str != <span class="stringliteral">"adjlist"</span> && file_type_str != <span class="stringliteral">"edgelist"</span>) {</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  logstream(<a class="code" href="logger_8hpp.html#aced66975c154ea0e2a8ec3bc818b4e08">LOG_ERROR</a>) << <span class="stringliteral">"You need to specify filetype: 'edgelist' or 'adjlist'."</span> << std::endl;</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  assert(<span class="keyword">false</span>);</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  }</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  </div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="comment">/* Start preprocessing */</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  sharderobj.<a class="code" href="classgraphchi_1_1sharder.html#ac867bb6b0f8e420f790b60f2c18f2a6b">start_preprocessing</a>();</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  </div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">if</span> (file_type_str == <span class="stringliteral">"adjlist"</span>) {</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  convert_adjlist<EdgeDataType>(basefilename, sharderobj);</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (file_type_str == <span class="stringliteral">"edgelist"</span>) {</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  convert_edgelist<EdgeDataType>(basefilename, sharderobj);</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  }</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  </div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="comment">/* Finish preprocessing */</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  sharderobj.<a class="code" href="classgraphchi_1_1sharder.html#aebb6e75ba00e4f4016b9559e45254142">end_preprocessing</a>();</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  </div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">if</span> (preprocessor != NULL) {</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  preprocessor->reprocess(sharderobj.preprocessed_name(), basefilename);</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  }</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  </div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  }</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  </div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordtype">int</span> nshards = sharderobj.<a class="code" href="classgraphchi_1_1sharder.html#a8c1af4eca3037578aa7bd5b7cc431c8c">execute_sharding</a>(nshards_string);</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Successfully finished sharding for "</span> << basefilename + suffix << std::endl;</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Created "</span> << nshards << <span class="stringliteral">" shards."</span> << std::endl;</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">return</span> nshards;</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  }</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  </div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  </div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> EdgeDataType></div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordtype">int</span> convert_if_notexists(std::string basefilename, std::string nshards_string, SharderPreprocessor<EdgeDataType> * preprocessor = NULL) {</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordtype">int</span> nshards;</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  std::string suffix = <span class="stringliteral">""</span>;</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">if</span> (preprocessor != NULL) {</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  suffix = preprocessor->getSuffix();</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  }</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="comment">/* Check if input file is already sharded */</span></div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">if</span> ((nshards = find_shards<EdgeDataType>(basefilename + suffix, nshards_string))) {</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Found preprocessed files for "</span> << basefilename << <span class="stringliteral">", num shards="</span> << nshards << std::endl;</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">return</span> nshards;</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  } </div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Did not find preprocessed shards for "</span> << basefilename + suffix << std::endl;</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Will try create them now..."</span> << std::endl;</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  nshards = convert<EdgeDataType>(basefilename, nshards_string, preprocessor);</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">return</span> nshards;</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  }</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  </div>
<div class="line"><a name="l00291"></a><span class="lineno"><a class="code" href="structgraphchi_1_1vertex__degree.html"> 291</a></span>  <span class="keyword">struct </span><a class="code" href="structgraphchi_1_1vertex__degree.html">vertex_degree</a> {</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordtype">int</span> deg;</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  vid_t id;</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <a class="code" href="structgraphchi_1_1vertex__degree.html">vertex_degree</a>() {}</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <a class="code" href="structgraphchi_1_1vertex__degree.html">vertex_degree</a>(<span class="keywordtype">int</span> deg, vid_t <span class="keywordtype">id</span>) : deg(deg), id(<span class="keywordtype">id</span>) {}</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  };</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  </div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordtype">bool</span> vertex_degree_less(<span class="keyword">const</span> <a class="code" href="structgraphchi_1_1vertex__degree.html">vertex_degree</a> &a, <span class="keyword">const</span> <a class="code" href="structgraphchi_1_1vertex__degree.html">vertex_degree</a> &b);</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordtype">bool</span> vertex_degree_less(<span class="keyword">const</span> <a class="code" href="structgraphchi_1_1vertex__degree.html">vertex_degree</a> &a, <span class="keyword">const</span> <a class="code" href="structgraphchi_1_1vertex__degree.html">vertex_degree</a> &b) {</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">return</span> a.deg < b.deg || (a.deg == b.deg && a.id < b.id);</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  }</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  </div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> EdgeDataType></div>
<div class="line"><a name="l00308"></a><span class="lineno"><a class="code" href="classgraphchi_1_1_order_by_degree.html"> 308</a></span>  <span class="keyword">class </span><a class="code" href="classgraphchi_1_1_order_by_degree.html">OrderByDegree</a> : <span class="keyword">public</span> <a class="code" href="classgraphchi_1_1_sharder_preprocessor.html">SharderPreprocessor</a><EdgeDataType> {</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  </div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keyword">typedef</span> <a class="code" href="structgraphchi_1_1edge__with__value.html">edge_with_value<EdgeDataType></a> <a class="code" href="structgraphchi_1_1edge__with__value.html">edge_t</a>;</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  vid_t * translate_table;</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  vid_t max_vertex_id;</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  </div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  std::string getSuffix() {</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">return</span> <span class="stringliteral">"_degord"</span>;</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  }</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  </div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  vid_t translate(vid_t vid) {</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">if</span> (vid >= max_vertex_id) <span class="keywordflow">return</span> vid;</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordflow">return</span> translate_table[vid];</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  }</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  </div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordtype">void</span> reprocess(std::string preprocessedFile, std::string baseFilename) {</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordtype">size_t</span> blocksize = 32 * 1024 * 1024;</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">while</span> (blocksize % <span class="keyword">sizeof</span>(<a class="code" href="structgraphchi_1_1edge__with__value.html">edge_t</a>)) blocksize++;</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  </div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordtype">char</span> * block = (<span class="keywordtype">char</span>*) malloc(blocksize);</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keywordtype">size_t</span> total_to_process = get_filesize(preprocessedFile);</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  </div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  FILE * inf = fopen(preprocessedFile.c_str(), <span class="stringliteral">"r"</span>);</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">if</span> (inf == NULL) {</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  logstream(<a class="code" href="logger_8hpp.html#aced66975c154ea0e2a8ec3bc818b4e08">LOG_ERROR</a>) << <span class="stringliteral">"Could not open: "</span> << preprocessedFile << <span class="stringliteral">" error: "</span> << strerror(errno) << std::endl;</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  }</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  assert(inf != NULL);</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  fread(&max_vertex_id, <span class="keyword">sizeof</span>(vid_t), 1, inf);;</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <a class="code" href="structgraphchi_1_1vertex__degree.html">vertex_degree</a> * degarray = (<a class="code" href="structgraphchi_1_1vertex__degree.html">vertex_degree</a> *) calloc(max_vertex_id + 1, <span class="keyword">sizeof</span>(<a class="code" href="structgraphchi_1_1vertex__degree.html">vertex_degree</a>)); </div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  vid_t nverts = max_vertex_id + 1;</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordflow">for</span>(vid_t i=0; i < nverts; i++) {</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  degarray[i].id = i;</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  }</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  </div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keywordtype">size_t</span> totread = 0;</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">do</span> {</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordtype">size_t</span> len = 0;</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordflow">while</span>(len < blocksize) {</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordtype">int</span> a = (int) fread(block + len, 1, blocksize - len, inf);</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  len += a;</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keywordflow">if</span> (a <= 0) <span class="keywordflow">break</span>; <span class="comment">// eof</span></div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  }</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  totread += len;</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  </div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  logstream(<a class="code" href="logger_8hpp.html#a6ff63e8955665c4a58b1598f2b07c51a">LOG_DEBUG</a>) << <span class="stringliteral">"Degree ordering -- read:"</span> << (totread * 1.0 / total_to_process * 100) << <span class="stringliteral">"%"</span> << std::endl;</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  len /= <span class="keyword">sizeof</span>(<a class="code" href="structgraphchi_1_1edge__with__value.html">edge_t</a>);</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <a class="code" href="structgraphchi_1_1edge__with__value.html">edge_t</a> * ptr = (<a class="code" href="structgraphchi_1_1edge__with__value.html">edge_t</a>*)block; </div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  </div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i<(int)len; i++) {</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  degarray[ptr[i].src].deg++;</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  degarray[ptr[i].dst].deg++; </div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  }</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  } <span class="keywordflow">while</span> (!feof(inf));</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  fclose(inf);</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  </div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="comment">/* Now sort */</span></div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  quickSort(degarray, nverts, vertex_degree_less);</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  </div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="comment">/* Create translation table */</span></div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  translate_table = (vid_t*) calloc(<span class="keyword">sizeof</span>(vid_t), nverts);</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keywordflow">for</span>(vid_t i=0; i<nverts; i++) {</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  translate_table[degarray[i].id] = i;</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  }</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keyword">delete</span> degarray;</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  </div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="comment">/* Write translate table */</span></div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  std::string translate_table_file = baseFilename + <span class="stringliteral">".vertexmap"</span>;</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keywordtype">int</span> df = open(translate_table_file.c_str(), O_RDWR | O_CREAT, S_IROTH | S_IWOTH | S_IWUSR | S_IRUSR);</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keywordflow">if</span> (df < 0) logstream(<a class="code" href="logger_8hpp.html#aced66975c154ea0e2a8ec3bc818b4e08">LOG_ERROR</a>) << <span class="stringliteral">"Could not write vertex map: "</span> << translate_table_file <<</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="stringliteral">" error: "</span> << strerror(errno) << std::endl;</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  assert(df >= 0);</div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  pwrite(df, translate_table, nverts, 0);</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  close(df);</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  </div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="comment">/* Now recreate the processed file */</span></div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  std::string tmpfilename = preprocessedFile + <span class="stringliteral">".old"</span>;</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  rename(preprocessedFile.c_str(), tmpfilename.c_str());</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  </div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  inf = fopen(tmpfilename.c_str(), <span class="stringliteral">"r"</span>);</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordflow">if</span> (inf == NULL) {</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  logstream(<a class="code" href="logger_8hpp.html#aced66975c154ea0e2a8ec3bc818b4e08">LOG_ERROR</a>) << <span class="stringliteral">"Could not open: "</span> << tmpfilename << <span class="stringliteral">" error: "</span> << strerror(errno) << std::endl;</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  }</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  assert(inf != NULL);</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  fread(&max_vertex_id, <span class="keyword">sizeof</span>(vid_t), 1, inf);;</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  </div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  FILE * outf = fopen(preprocessedFile.c_str(), <span class="stringliteral">"w"</span>);</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keywordflow">if</span> (outf == NULL) {</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  logstream(<a class="code" href="logger_8hpp.html#aced66975c154ea0e2a8ec3bc818b4e08">LOG_ERROR</a>) << <span class="stringliteral">"Could not open: "</span> << preprocessedFile << <span class="stringliteral">" error: "</span> << strerror(errno) << std::endl;</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  }</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  assert(outf != NULL);</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  fwrite(&max_vertex_id, <span class="keyword">sizeof</span>(vid_t), 1, outf);</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  </div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  totread = 0;</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordflow">do</span> {</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordtype">size_t</span> len = 0;</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="keywordflow">while</span>(len < blocksize) {</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="keywordtype">int</span> a = (int) fread(block + len, 1, blocksize - len, inf);</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  len += a;</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordflow">if</span> (a <= 0) <span class="keywordflow">break</span>; <span class="comment">// eof</span></div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  }</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  totread += len;</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  </div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  logstream(<a class="code" href="logger_8hpp.html#a6ff63e8955665c4a58b1598f2b07c51a">LOG_DEBUG</a>) << <span class="stringliteral">"Degree ordering -- write/read:"</span> << (totread * 1.0 / total_to_process * 100) << <span class="stringliteral">"%"</span> << std::endl;</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  len /= <span class="keyword">sizeof</span>(<a class="code" href="structgraphchi_1_1edge__with__value.html">edge_t</a>);</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <a class="code" href="structgraphchi_1_1edge__with__value.html">edge_t</a> * ptr = (<a class="code" href="structgraphchi_1_1edge__with__value.html">edge_t</a>*)block; </div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  </div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="comment">// Todo: use buffered output</span></div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i<(int)len; i++) {</div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  ptr[i].src = translate(ptr[i].src);</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  ptr[i].dst = translate(ptr[i].dst);</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span> </div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  fwrite(&ptr[i], <span class="keyword">sizeof</span>(<a class="code" href="structgraphchi_1_1edge__with__value.html">edge_t</a>), 1, outf); </div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  }</div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  } <span class="keywordflow">while</span> (!feof(inf));</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  </div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  fclose(inf);</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  fclose(outf);</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  </div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keyword">delete</span> translate_table;</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  free(block);</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  }</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  </div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  };</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  </div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span> } <span class="comment">// end namespace</span></div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span> </div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span> <span class="preprocessor"></span></div>
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<div class="textblock"><code>#include <string></code><br/>
<code>#include <fstream></code><br/>
<code>#include <cmath></code><br/>
<code>#include "<a class="el" href="graphchi__basic__includes_8hpp_source.html">graphchi_basic_includes.hpp</a>"</code><br/>
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int </td><td class="memItemRight" valign="bottom"><b>main</b> (int argc, const char **argv)</td></tr>
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<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><dl class="section author"><dt>Author:</dt><dd>Aapo Kyrola <a href="#" onclick="location.href='mai'+'lto:'+'aky'+'ro'+'la@'+'cs'+'.cm'+'u.'+'edu'; return false;">akyro<span style="display: none;">.nosp@m.</span>la@c<span style="display: none;">.nosp@m.</span>s.cmu<span style="display: none;">.nosp@m.</span>.edu</a> </dd></dl>
<dl class="section version"><dt>Version:</dt><dd>1.0</dd></dl>
<h1><a class="anchor" id="LICENSE"></a>
LICENSE</h1>
<p>Copyright [2012] [Aapo Kyrola, Guy Blelloch, Carlos Guestrin / Carnegie Mellon University]</p>
<p>Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at</p>
<p><a href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a></p>
<p>Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.</p>
<h1><a class="anchor" id="DESCRIPTION"></a>
DESCRIPTION</h1>
<p>Simple pagerank implementation. Uses the basic vertex-based API for demonstration purposes. A faster implementation uses the functional API, "pagerank_functional". </p>
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<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><dl class="section author"><dt>Author:</dt><dd>Aapo Kyrola <a href="#" onclick="location.href='mai'+'lto:'+'aky'+'ro'+'la@'+'cs'+'.cm'+'u.'+'edu'; return false;">akyro<span style="display: none;">.nosp@m.</span>la@c<span style="display: none;">.nosp@m.</span>s.cmu<span style="display: none;">.nosp@m.</span>.edu</a> </dd></dl>
<dl class="section version"><dt>Version:</dt><dd>1.0</dd></dl>
<h1><a class="anchor" id="LICENSE"></a>
LICENSE</h1>
<p>Copyright [2012] [Aapo Kyrola, Guy Blelloch, Carlos Guestrin / Carnegie Mellon University]</p>
<p>Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at</p>
<p><a href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a></p>
<p>Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.</p>
<h1><a class="anchor" id="DESCRIPTION"></a>
DESCRIPTION</h1>
<p>Empty metrics reporter. </p>
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Inheritance diagram for SmokeTestProgram2:</div>
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<p><a href="struct_smoke_test_program2-members.html">List of all members.</a></p>
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Public Member Functions</h2></td></tr>
<tr class="memitem:af5b85688d13a25b925e51fa88dac2326"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_smoke_test_program2.html#af5b85688d13a25b925e51fa88dac2326">update</a> (<a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi_vertex</a>< VertexDataType, EdgeDataType > &vertex, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
<tr class="memitem:af9471ca87df858098cf48ee9ffdbc078"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_smoke_test_program2.html#af9471ca87df858098cf48ee9ffdbc078">before_iteration</a> (int iteration, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
<tr class="memitem:ae4d393f52b65b07ecde0e40b93489108"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_smoke_test_program2.html#ae4d393f52b65b07ecde0e40b93489108">after_iteration</a> (int iteration, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
<tr class="memitem:abc31d15c2cff057d9c10298c51cd0566"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_smoke_test_program2.html#abc31d15c2cff057d9c10298c51cd0566">before_exec_interval</a> (vid_t window_st, vid_t window_en, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
<tr class="memitem:a47d819f0653633b16ff4987bb0d204ce"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_smoke_test_program2.html#a47d819f0653633b16ff4987bb0d204ce">after_exec_interval</a> (vid_t window_st, vid_t window_en, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
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Public Attributes</h2></td></tr>
<tr class="memitem:a11f1c18df566fbfea488bd29047e27ff"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a11f1c18df566fbfea488bd29047e27ff"></a>
volatile size_t </td><td class="memItemRight" valign="bottom"><b>ndeleted</b></td></tr>
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Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_types_classgraphchi_1_1_graph_chi_program"><td colspan="2" onclick="javascript:toggleInherit('pub_types_classgraphchi_1_1_graph_chi_program')"><img src="closed.png" alt="-"/> Public Types inherited from <a class="el" href="classgraphchi_1_1_graph_chi_program.html">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a></td></tr>
<tr class="memitem:aac56995fb8ac698f229ff0477e71d30f inherit pub_types_classgraphchi_1_1_graph_chi_program"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aac56995fb8ac698f229ff0477e71d30f"></a>
typedef VertexDataType </td><td class="memItemRight" valign="bottom"><b>VertexDataType</b></td></tr>
<tr class="memitem:a16c23705a587cae77c8c1761be6ebe81 inherit pub_types_classgraphchi_1_1_graph_chi_program"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a16c23705a587cae77c8c1761be6ebe81"></a>
typedef EdgeDataType </td><td class="memItemRight" valign="bottom"><b>EdgeDataType</b></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>Smoke test. On every iteration, each vertex sets its id to be id + iteration number. Vertices check whether their neighbors were set correctly. This assumes that the vertices are executed in round-robin order.</p>
<ul>
<li>Uses edges in inverse order to the first smoketest. </li>
</ul>
</div><hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a47d819f0653633b16ff4987bb0d204ce"></a>
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<td class="memname">void SmokeTestProgram2::after_exec_interval </td>
<td>(</td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>window_st</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>window_en</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>gcontext</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
</tr>
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<p>Called after an execution interval has finished. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#a9be881d1232e530c8d1852188cc8a84d">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void SmokeTestProgram2::after_iteration </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>iteration</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>gcontext</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
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<p>Called after an iteration has finished. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#a24259d43b85d28af16d53a4176d29a07">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void SmokeTestProgram2::before_exec_interval </td>
<td>(</td>
<td class="paramtype">vid_t </td>
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<td class="paramtype">vid_t </td>
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<p>Called before an execution interval is started. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#ab2f7244ddb743deb859dbc2fc927078a">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td>(</td>
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<td class="paramname"><em>iteration</em>, </td>
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<p>Called before an iteration starts. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#aec6d16fd6dddf1543afe55360a653cf2">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void SmokeTestProgram2::update </td>
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<td class="paramtype"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi_vertex</a>< VertexDataType, EdgeDataType > & </td>
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<p>Vertex update function. </p>
<p>Implements <a class="el" href="classgraphchi_1_1_graph_chi_program.html#ad76f8881627e3c039144e261bfc77770">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<hr/>The documentation for this struct was generated from the following file:<ul>
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 </td><td class="memItemRight" valign="bottom"><b>streaming_task</b> (<a class="el" href="classgraphchi_1_1stripedio.html">stripedio</a> *iomgr, int <a class="el" href="structsession.html">session</a>, size_t len, char **buf)</td></tr>
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int </td><td class="memItemRight" valign="bottom"><b>session</b></td></tr>
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volatile size_t </td><td class="memItemRight" valign="bottom"><b>curpos</b></td></tr>
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<hr/>The documentation for this struct was generated from the following file:<ul>
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virtual void </td><td class="memItemRight" valign="bottom"><b>callback</b> (vid_t vertex_id, <a class="el" href="basic__dynamicengine__smoketest_8cpp.html#acf10237949ab87b83055ff6aa646c565">VertexDataType</a> &value)</td></tr>
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const char * </td><td class="memItemRight" valign="bottom"><b>name</b></td></tr>
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void(* </td><td class="memItemRight" valign="bottom"><b>ptr</b> )(void)</td></tr>
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<hr/>The documentation for this struct was generated from the following file:<ul>
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<a href="graphchi__program_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#ifndef GRAPHCHI_PROGRAM_DEF</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"></span><span class="preprocessor">#define GRAPHCHI_PROGRAM_DEF</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "<a class="code" href="graph__objects_8hpp.html">api/graph_objects.hpp</a>"</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include "<a class="code" href="graphchi__context_8hpp.html">api/graphchi_context.hpp</a>"</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">namespace </span>graphchi {</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  </div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> VertexDataType_, <span class="keyword">typename</span> EdgeDataType_,</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">typename</span> vertex_t = graphchi_vertex<VertexDataType_, EdgeDataType_> ></div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="code" href="classgraphchi_1_1_graph_chi_program.html"> 42</a></span>  <span class="keyword">class </span><a class="code" href="classgraphchi_1_1_graph_chi_program.html">GraphChiProgram</a> {</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  </div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">typedef</span> VertexDataType_ VertexDataType;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">typedef</span> EdgeDataType_ EdgeDataType;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  </div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">virtual</span> ~<a class="code" href="classgraphchi_1_1_graph_chi_program.html">GraphChiProgram</a>() {}</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="code" href="classgraphchi_1_1_graph_chi_program.html#aec6d16fd6dddf1543afe55360a653cf2"> 53</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classgraphchi_1_1_graph_chi_program.html#aec6d16fd6dddf1543afe55360a653cf2">before_iteration</a>(<span class="keywordtype">int</span> iteration, <a class="code" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext) {</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  }</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div>
<div class="line"><a name="l00059"></a><span class="lineno"><a class="code" href="classgraphchi_1_1_graph_chi_program.html#a24259d43b85d28af16d53a4176d29a07"> 59</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classgraphchi_1_1_graph_chi_program.html#a24259d43b85d28af16d53a4176d29a07">after_iteration</a>(<span class="keywordtype">int</span> iteration, <a class="code" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext) {</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  }</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div>
<div class="line"><a name="l00065"></a><span class="lineno"><a class="code" href="classgraphchi_1_1_graph_chi_program.html#ab2f7244ddb743deb859dbc2fc927078a"> 65</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classgraphchi_1_1_graph_chi_program.html#ab2f7244ddb743deb859dbc2fc927078a">before_exec_interval</a>(vid_t window_st, vid_t window_en, <a class="code" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext) { </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  }</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div>
<div class="line"><a name="l00071"></a><span class="lineno"><a class="code" href="classgraphchi_1_1_graph_chi_program.html#a9be881d1232e530c8d1852188cc8a84d"> 71</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classgraphchi_1_1_graph_chi_program.html#a9be881d1232e530c8d1852188cc8a84d">after_exec_interval</a>(vid_t window_st, vid_t window_en, <a class="code" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext) { </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  }</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classgraphchi_1_1_graph_chi_program.html#ad76f8881627e3c039144e261bfc77770">update</a>(vertex_t &v, <a class="code" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext) = 0; </div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  };</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> }</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor"></span></div>
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<div class="title">atomic.hpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef ATOMIC_HPP</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor"></span><span class="preprocessor">#define ATOMIC_HPP</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Note, stolen from GraphLab.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> </div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="keyword">namespace </span>graphchi {</div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00014"></a><span class="lineno"><a class="code" href="classgraphchi_1_1atomic.html"> 14</a></span>  <span class="keyword">class </span><a class="code" href="classgraphchi_1_1atomic.html" title="atomic object toolkit">atomic</a>{</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  <span class="keyword">volatile</span> T value;</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  <a class="code" href="classgraphchi_1_1atomic.html" title="atomic object toolkit">atomic</a>(<span class="keyword">const</span> T& value = 0) : value(value) { }</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  T inc() { <span class="keywordflow">return</span> __sync_add_and_fetch(&value, 1); }</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  T dec() { <span class="keywordflow">return</span> __sync_sub_and_fetch(&value, 1); }</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  T inc(T val) { <span class="keywordflow">return</span> __sync_add_and_fetch(&value, val); }</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  T dec(T val) { <span class="keywordflow">return</span> __sync_sub_and_fetch(&value, val); }</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  };</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  </div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  </div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00035"></a><span class="lineno"><a class="code" href="namespacegraphchi.html#a517394443e0a9b5d5ab34ac920b52485"> 35</a></span>  <span class="keywordtype">bool</span> <a class="code" href="namespacegraphchi.html#a517394443e0a9b5d5ab34ac920b52485">atomic_compare_and_swap</a>(T& a, <span class="keyword">const</span> T &oldval, <span class="keyword">const</span> T &newval) {</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordflow">return</span> __sync_bool_compare_and_swap(&a, oldval, newval);</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  };</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  </div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">template</span> <></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespacegraphchi.html#a517394443e0a9b5d5ab34ac920b52485">atomic_compare_and_swap</a>(<span class="keywordtype">double</span>& a, <span class="keyword">const</span> <span class="keywordtype">double</span> &oldval, <span class="keyword">const</span> <span class="keywordtype">double</span> &newval) {</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">return</span> __sync_bool_compare_and_swap(reinterpret_cast<uint64_t*>(&a), </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  *reinterpret_cast<const uint64_t*>(&oldval), </div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  *reinterpret_cast<const uint64_t*>(&newval));</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  };</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">template</span> <></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespacegraphchi.html#a517394443e0a9b5d5ab34ac920b52485">atomic_compare_and_swap</a>(<span class="keywordtype">float</span>& a, <span class="keyword">const</span> <span class="keywordtype">float</span> &oldval, <span class="keyword">const</span> <span class="keywordtype">float</span> &newval) {</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">return</span> __sync_bool_compare_and_swap(reinterpret_cast<uint32_t*>(&a), </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  *reinterpret_cast<const uint32_t*>(&oldval), </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  *reinterpret_cast<const uint32_t*>(&newval));</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  };</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordtype">void</span> atomic_exchange(T& a, T& b) {</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  b =__sync_lock_test_and_set(&a, b);</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  };</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> }</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#endif</span></div>
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<div class="title">sharder.hpp</div> </div>
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<div class="contents">
<a href="sharder_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#ifndef GRAPHCHI_SHARDER_DEF</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"></span><span class="preprocessor">#define GRAPHCHI_SHARDER_DEF</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <iostream></span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <cstdio></span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include <fcntl.h></span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include <unistd.h></span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include <vector></span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include <omp.h></span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include <errno.h></span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include <sstream></span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include <string></span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include "graphchi_types.hpp"</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#include "<a class="code" href="chifilenames_8hpp.html">api/chifilenames.hpp</a>"</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#include "<a class="code" href="graphchi__context_8hpp.html">api/graphchi_context.hpp</a>"</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#include "<a class="code" href="stripedio_8hpp.html">io/stripedio.hpp</a>"</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#include "<a class="code" href="slidingshard_8hpp.html">shards/slidingshard.hpp</a>"</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#include "<a class="code" href="memoryshard_8hpp.html">shards/memoryshard.hpp</a>"</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#include "<a class="code" href="logger_8hpp.html">logger/logger.hpp</a>"</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#include "<a class="code" href="ioutil_8hpp.html">util/ioutil.hpp</a>"</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#include "util/qsort.hpp"</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#include "<a class="code" href="metrics_8hpp.html">metrics/metrics.hpp</a>"</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#include "<a class="code" href="reps_2basic__reporter_8hpp.html">metrics/reps/basic_reporter.hpp</a>"</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">namespace </span>graphchi {</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  </div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#define SHARDER_BUFSIZE (64 * 1024 * 1024)</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor"></span> </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">enum</span> ProcPhase { COMPUTE_INTERVALS=1, SHOVEL=2 };</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> EdgeDataType></div>
<div class="line"><a name="l00069"></a><span class="lineno"><a class="code" href="structgraphchi_1_1edge__with__value.html"> 69</a></span>  <span class="keyword">struct </span><a class="code" href="structgraphchi_1_1edge__with__value.html">edge_with_value</a> {</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  vid_t src;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  vid_t dst;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  EdgeDataType value;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  </div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="structgraphchi_1_1edge__with__value.html">edge_with_value</a>(vid_t src, vid_t dst, EdgeDataType value) : src(src), dst(dst), value(value) {}</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordtype">bool</span> stopper() { <span class="keywordflow">return</span> src == 0 && dst == 0; }</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  };</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> EdgeDataType></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordtype">bool</span> edge_t_src_less(<span class="keyword">const</span> <a class="code" href="structgraphchi_1_1edge__with__value.html">edge_with_value<EdgeDataType></a> &a, <span class="keyword">const</span> <a class="code" href="structgraphchi_1_1edge__with__value.html">edge_with_value<EdgeDataType></a> &b) {</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">if</span> (a.src == b.src) <span class="keywordflow">return</span> a.dst < b.dst;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">return</span> a.src < b.src;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  }</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  </div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> EdgeDataType></div>
<div class="line"><a name="l00086"></a><span class="lineno"><a class="code" href="classgraphchi_1_1sharder.html"> 86</a></span>  <span class="keyword">class </span><a class="code" href="classgraphchi_1_1sharder.html">sharder</a> {</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  </div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">typedef</span> <a class="code" href="structgraphchi_1_1edge__with__value.html">edge_with_value<EdgeDataType></a> <a class="code" href="structgraphchi_1_1edge__with__value.html">edge_t</a>;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  std::string basefilename;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">int</span> binfile_fd;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  vid_t max_vertex_id;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  </div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="comment">/* Preprocessing */</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordtype">char</span> * prebuf; </div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">char</span> * prebufptr; </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  </div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordtype">size_t</span> bytes_preprocessed;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  </div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">/* Sharding */</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordtype">int</span> nshards;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  std::vector< std::pair<vid_t, vid_t> > intervals;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordtype">int</span> phase;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  </div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordtype">int</span> * edgecounts;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordtype">int</span> vertexchunk;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordtype">size_t</span> nedges;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  std::string prefix;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  </div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">int</span> * shovelfs;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="structgraphchi_1_1edge__with__value.html">edge_t</a> ** bufs;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">int</span> * bufptrs;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordtype">size_t</span> bufsize;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordtype">size_t</span> edgedatasize;</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  </div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="classgraphchi_1_1metrics.html">metrics</a> m;</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  </div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <a class="code" href="classgraphchi_1_1sharder.html">sharder</a>(std::string basefilename) : basefilename(basefilename), m(<span class="stringliteral">"sharder"</span>) {</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  binfile_fd = (-1);</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  prebuf = NULL;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  bufs = NULL;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  edgedatasize = <span class="keyword">sizeof</span>(EdgeDataType);</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  }</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">virtual</span> ~<a class="code" href="classgraphchi_1_1sharder.html">sharder</a>() {</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">if</span> (prebuf != NULL) free(prebuf);</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  prebuf = NULL;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  }</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  </div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  std::string preprocessed_name() {</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  std::stringstream ss;</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  ss << basefilename;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  ss << <span class="stringliteral">"."</span> << <span class="keyword">sizeof</span>(EdgeDataType) << <span class="stringliteral">"B.bin"</span>;</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">return</span> ss.str();</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  }</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  </div>
<div class="line"><a name="l00147"></a><span class="lineno"><a class="code" href="classgraphchi_1_1sharder.html#a9473263ad2cfc83c11100e7cf253e10c"> 147</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classgraphchi_1_1sharder.html#a9473263ad2cfc83c11100e7cf253e10c">preprocessed_file_exists</a>() {</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordtype">int</span> f = open(preprocessed_name().c_str(), O_RDONLY);</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span> (f >= 0) {</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  close(f);</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  }</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  </div>
<div class="line"><a name="l00160"></a><span class="lineno"><a class="code" href="classgraphchi_1_1sharder.html#ac867bb6b0f8e420f790b60f2c18f2a6b"> 160</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgraphchi_1_1sharder.html#ac867bb6b0f8e420f790b60f2c18f2a6b">start_preprocessing</a>() {</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">if</span> (prebuf != NULL) {</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  logstream(<a class="code" href="logger_8hpp.html#ac2164369b4d2bf72296f8ba6ea576ecf">LOG_FATAL</a>) << <span class="stringliteral">"start_preprocessing() already called! Aborting."</span> << std::endl;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  } </div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  </div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  m.start_time(<span class="stringliteral">"preprocessing"</span>);</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  assert(prebuf == NULL); </div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  std::string tmpfilename = preprocessed_name() + <span class="stringliteral">".tmp"</span>;</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  binfile_fd = open(tmpfilename.c_str(), O_WRONLY | O_CREAT, S_IROTH | S_IWOTH | S_IWUSR | S_IRUSR);</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">if</span> (binfile_fd < 0) {</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  logstream(<a class="code" href="logger_8hpp.html#aced66975c154ea0e2a8ec3bc818b4e08">LOG_ERROR</a>) << <span class="stringliteral">"Could not create file: "</span> << tmpfilename << <span class="stringliteral">" error: "</span> << strerror(errno) << std::endl;</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  }</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  assert(binfile_fd >= 0);</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  </div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="comment">/* Initialize buffers */</span></div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  prebuf = (<span class="keywordtype">char</span>*) malloc(SHARDER_BUFSIZE); </div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  prebufptr = prebuf;</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  assert(prebuf != NULL);</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  </div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Started preprocessing: "</span> << basefilename << <span class="stringliteral">" --> "</span> << tmpfilename << std::endl;</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  </div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="comment">/* Write the maximum vertex id place holder - to be filled later */</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <a class="code" href="classgraphchi_1_1sharder.html#ae57e42f648104bf6b6ee23d7cf957696">bwrite</a>(binfile_fd, prebuf, prebufptr, (vid_t)0);</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  max_vertex_id = 0;</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  bytes_preprocessed = 0;</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  }</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  </div>
<div class="line"><a name="l00190"></a><span class="lineno"><a class="code" href="classgraphchi_1_1sharder.html#aebb6e75ba00e4f4016b9559e45254142"> 190</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgraphchi_1_1sharder.html#aebb6e75ba00e4f4016b9559e45254142">end_preprocessing</a>() {</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  assert(prebuf != NULL);</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  </div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="comment">/* Flush buffer to disk */</span></div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  writea(binfile_fd, prebuf, prebufptr - prebuf);</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  bytes_preprocessed += prebufptr - prebuf;</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Preprocessed: "</span> << float(bytes_preprocessed / 1024. / 1024.) << <span class="stringliteral">" MB."</span> << std::endl;</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  </div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="comment">/* Write the max vertex id byte */</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  assert(max_vertex_id > 0);</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Maximum vertex id: "</span> << max_vertex_id << std::endl;</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  ssize_t written = pwrite(binfile_fd, &max_vertex_id, <span class="keyword">sizeof</span>(vid_t), 0);</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">if</span> (written != <span class="keyword">sizeof</span>(vid_t)) {</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  logstream(<a class="code" href="logger_8hpp.html#aced66975c154ea0e2a8ec3bc818b4e08">LOG_ERROR</a>) << <span class="stringliteral">"Error when writing preprocessed file: "</span> << strerror(errno) << std::endl;</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  }</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  assert(written == <span class="keyword">sizeof</span>(vid_t));</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  </div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="comment">/* Free buffer's memory */</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  free(prebuf);</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  prebuf = NULL;</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  prebufptr = NULL;</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  </div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="comment">/* Rename temporary file */</span> </div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  std::string tmpfilename = preprocessed_name() + <span class="stringliteral">".tmp"</span>;</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  rename(tmpfilename.c_str(), preprocessed_name().c_str());</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  </div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  assert(<a class="code" href="classgraphchi_1_1sharder.html#a9473263ad2cfc83c11100e7cf253e10c">preprocessed_file_exists</a>());</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Finished preprocessing: "</span> << basefilename << <span class="stringliteral">" --> "</span> << preprocessed_name() << std::endl;</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  m.stop_time(<span class="stringliteral">"preprocessing"</span>);</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  }</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  </div>
<div class="line"><a name="l00224"></a><span class="lineno"><a class="code" href="classgraphchi_1_1sharder.html#ad902ff8fdee18b7eb5193fabd25d8d49"> 224</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgraphchi_1_1sharder.html#ad902ff8fdee18b7eb5193fabd25d8d49">preprocessing_add_edge</a>(vid_t from, vid_t to, EdgeDataType val) {</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">if</span> (prebuf == NULL) {</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  logstream(<a class="code" href="logger_8hpp.html#ac2164369b4d2bf72296f8ba6ea576ecf">LOG_FATAL</a>) << <span class="stringliteral">"You need to call start_preprocessing() prior to adding any edges!"</span> << std::endl;</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  }</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  assert(prebuf != NULL);</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  </div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <a class="code" href="classgraphchi_1_1sharder.html#ae57e42f648104bf6b6ee23d7cf957696">bwrite</a>(binfile_fd, prebuf, prebufptr, <a class="code" href="structgraphchi_1_1edge__with__value.html">edge_t</a>(from, to, val)); </div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  max_vertex_id = std::max(std::max(from, to), max_vertex_id);</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  }</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  </div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
<div class="line"><a name="l00236"></a><span class="lineno"><a class="code" href="classgraphchi_1_1sharder.html#ae57e42f648104bf6b6ee23d7cf957696"> 236</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgraphchi_1_1sharder.html#ae57e42f648104bf6b6ee23d7cf957696">bwrite</a>(<span class="keywordtype">int</span> f, <span class="keywordtype">char</span> * buf, <span class="keywordtype">char</span> * &bufptr, T val) {</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">if</span> (bufptr + <span class="keyword">sizeof</span>(T) - buf >= SHARDER_BUFSIZE) {</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  writea(f, buf, bufptr - buf);</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  bufptr = buf;</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  </div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">if</span> (buf == prebuf) { <span class="comment">// Slightly ugly.</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  bytes_preprocessed += SHARDER_BUFSIZE;</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>)<< <span class="stringliteral">"Preprocessed: "</span> << float(bytes_preprocessed / 1024. / 1024.) << <span class="stringliteral">" MB."</span> << std::endl;</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  }</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  }</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  *((T*)bufptr) = val;</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  bufptr += <span class="keyword">sizeof</span>(T);</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  }</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  </div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  </div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  </div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  </div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  </div>
<div class="line"><a name="l00258"></a><span class="lineno"><a class="code" href="classgraphchi_1_1sharder.html#a8c1af4eca3037578aa7bd5b7cc431c8c"> 258</a></span>  <span class="keywordtype">int</span> <a class="code" href="classgraphchi_1_1sharder.html#a8c1af4eca3037578aa7bd5b7cc431c8c">execute_sharding</a>(std::string nshards_string) {</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  m.start_time(<span class="stringliteral">"execute_sharding"</span>);</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <a class="code" href="classgraphchi_1_1sharder.html#ab30874a25a6acd970085966ee2f12a3d">determine_number_of_shards</a>(nshards_string);</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  </div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordtype">size_t</span> blocksize = 32 * 1024 * 1024;</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">while</span> (blocksize % <span class="keyword">sizeof</span>(<a class="code" href="structgraphchi_1_1edge__with__value.html">edge_t</a>)) blocksize++;</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  </div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordtype">char</span> * block = (<span class="keywordtype">char</span>*) malloc(blocksize);</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordtype">size_t</span> total_to_process = get_filesize(preprocessed_name());</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> </div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> phase=1; phase <= 2; ++phase) {</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="comment">/* Start the sharing process */</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  FILE * inf = fopen(preprocessed_name().c_str(), <span class="stringliteral">"r"</span>);</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">if</span> (inf == NULL) {</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  logstream(<a class="code" href="logger_8hpp.html#ac2164369b4d2bf72296f8ba6ea576ecf">LOG_FATAL</a>) << <span class="stringliteral">"Could not open preprocessed file: "</span> << preprocessed_name() << </div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="stringliteral">" error: "</span> << strerror(errno) << std::endl;</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  }</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  assert(inf != NULL);</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  </div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="comment">/* Read max vertex id */</span></div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  ssize_t rd = fread(&max_vertex_id, <span class="keyword">sizeof</span>(vid_t), 1, inf);</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordflow">if</span> (rd != 1) {</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  logstream(<a class="code" href="logger_8hpp.html#aced66975c154ea0e2a8ec3bc818b4e08">LOG_ERROR</a>) << <span class="stringliteral">"Read: "</span> << rd << std::endl;</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  logstream(<a class="code" href="logger_8hpp.html#aced66975c154ea0e2a8ec3bc818b4e08">LOG_ERROR</a>) << <span class="stringliteral">"Could not read from preprocessed file. Error: "</span> << strerror(errno) << std::endl;</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  }</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  assert(rd == 1);</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Max vertex id: "</span> << max_vertex_id << std::endl; </div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  </div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  this->start_phase(phase);</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  </div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keywordtype">size_t</span> totread = 0;</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">do</span> {</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordtype">size_t</span> len = 0;</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keywordflow">while</span>(len < blocksize) {</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordtype">int</span> a = (int) fread(block + len, 1, blocksize - len, inf);</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  len += a;</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">if</span> (a <= 0) <span class="keywordflow">break</span>; <span class="comment">// eof</span></div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  }</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  totread += len;</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  </div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  logstream(<a class="code" href="logger_8hpp.html#a6ff63e8955665c4a58b1598f2b07c51a">LOG_DEBUG</a>) << <span class="stringliteral">"Phase: "</span> << phase << <span class="stringliteral">" read:"</span> </div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  << (totread * 1.0 / total_to_process * 100) << <span class="stringliteral">"%"</span> << std::endl;</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  len /= <span class="keyword">sizeof</span>(<a class="code" href="structgraphchi_1_1edge__with__value.html">edge_t</a>);</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <a class="code" href="structgraphchi_1_1edge__with__value.html">edge_t</a> * ptr = (<a class="code" href="structgraphchi_1_1edge__with__value.html">edge_t</a>*)block; </div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  </div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i=0; i<len; i++) {</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  this->receive_edge(ptr[i].src, ptr[i].dst, ptr[i].value);</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  }</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  } <span class="keywordflow">while</span> (!feof(inf));</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  this->end_phase();</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  </div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  fclose(inf);</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  }</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  </div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="comment">/* Release memory */</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  free(block); </div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  block = NULL;</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> </div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="comment">/* Write the shards */</span></div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <a class="code" href="classgraphchi_1_1sharder.html#acba67408a81dfaa5fdac73c1d61f4631">write_shards</a>();</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  </div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  m.stop_time(<span class="stringliteral">"execute_sharding"</span>);</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  </div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="comment">/* Print metrics */</span></div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <a class="code" href="classgraphchi_1_1basic__reporter.html">basic_reporter</a> basicrep;</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  m.report(basicrep);</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  </div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">return</span> nshards;</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  }</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  </div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> </div>
<div class="line"><a name="l00333"></a><span class="lineno"><a class="code" href="classgraphchi_1_1sharder.html#ab30874a25a6acd970085966ee2f12a3d"> 333</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classgraphchi_1_1sharder.html#ab30874a25a6acd970085966ee2f12a3d">determine_number_of_shards</a>(std::string nshards_string) {</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  assert(<a class="code" href="classgraphchi_1_1sharder.html#a9473263ad2cfc83c11100e7cf253e10c">preprocessed_file_exists</a>());</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordflow">if</span> (nshards_string.find(<span class="stringliteral">"auto"</span>) != std::string::npos || nshards_string == <span class="stringliteral">"0"</span>) {</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Determining number of shards automatically."</span> << std::endl;</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  </div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordtype">int</span> membudget_mb = get_option_int(<span class="stringliteral">"membudget_mb"</span>, 1024);</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Assuming available memory is "</span> << membudget_mb << <span class="stringliteral">" megabytes. "</span> << std::endl;</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">" (This can be defined with configuration parameter 'membudget_mb')"</span> << std::endl;</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  </div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  bytes_preprocessed = get_filesize(preprocessed_name()) - <span class="keyword">sizeof</span>(vid_t);</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  assert(bytes_preprocessed > 0);</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordtype">size_t</span> numedges = bytes_preprocessed / <span class="keyword">sizeof</span>(<a class="code" href="structgraphchi_1_1edge__with__value.html">edge_t</a>);</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  </div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordtype">double</span> max_shardsize = membudget_mb * 1024. * 1024. / 8;</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Determining maximum shard size: "</span> << (max_shardsize / 1024. / 1024.) << <span class="stringliteral">" MB."</span> << std::endl;</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  </div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  nshards = (int) ( 2 + (numedges * <span class="keyword">sizeof</span>(EdgeDataType) / max_shardsize) + 0.5); </div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  nshards = atoi(nshards_string.c_str());</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  }</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  </div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Number of shards to be created: "</span> << nshards << std::endl;</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  assert(nshards > 1);</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  }</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  </div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordtype">void</span> compute_partitionintervals() {</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keywordtype">size_t</span> edges_per_part = nedges / nshards + 1;</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  </div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Number of shards: "</span> << nshards << std::endl;</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Edges per shard: "</span> << edges_per_part << std::endl;</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Max vertex id: "</span> << max_vertex_id << std::endl;</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  </div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  vid_t cur_st = 0;</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordtype">size_t</span> edgecounter=0;</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  std::string fname = filename_intervals(basefilename, nshards);</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  FILE * f = fopen(fname.c_str(), <span class="stringliteral">"w"</span>);</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  </div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">if</span> (f == NULL) {</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  logstream(<a class="code" href="logger_8hpp.html#aced66975c154ea0e2a8ec3bc818b4e08">LOG_ERROR</a>) << <span class="stringliteral">"Could not open file: "</span> << fname << <span class="stringliteral">" error: "</span> <<</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  strerror(errno) << std::endl;</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  }</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  assert(f != NULL);</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  </div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  vid_t i = 0;</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keywordflow">while</span>(nshards > (<span class="keywordtype">int</span>) intervals.size()) {</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  i += vertexchunk;</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  edgecounter += edgecounts[i / vertexchunk];</div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">if</span> (edgecounter >= edges_per_part || (i >= max_vertex_id)) {</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  intervals.push_back(std::pair<vid_t,vid_t>(cur_st, i + (i >= max_vertex_id)));</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Interval: "</span> << cur_st << <span class="stringliteral">" - "</span> << i << std::endl;</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  fprintf(f, <span class="stringliteral">"%u\n"</span>, i + (i == max_vertex_id));</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  cur_st = i + 1;</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  edgecounter = 0;</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  }</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  }</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  fclose(f);</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  assert(nshards == (<span class="keywordtype">int</span>)intervals.size());</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  </div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Computed intervals."</span> << std::endl;</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  }</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  </div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  std::string shovel_filename(<span class="keywordtype">int</span> shard) {</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  std::stringstream ss;</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  ss << basefilename << shard << <span class="stringliteral">"."</span> << nshards << <span class="stringliteral">".shovel"</span>;</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keywordflow">return</span> ss.str(); </div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  }</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  </div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="keywordtype">void</span> start_phase(<span class="keywordtype">int</span> p) {</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  phase = p;</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  lastpart = 0;</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Starting phase: "</span> << phase << std::endl;</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="keywordflow">switch</span> (phase) {</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="keywordflow">case</span> COMPUTE_INTERVALS:</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="comment">/* To compute the intervals, we need to keep track of the vertex degrees.</span></div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span> <span class="comment"> If there is not enough memory to store degree for each vertex, we combine</span></div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> <span class="comment"> degrees of successive vertice. This results into less accurate shard split,</span></div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span> <span class="comment"> but in practice it hardly matters. */</span></div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  vertexchunk = (int) (max_vertex_id * <span class="keyword">sizeof</span>(<span class="keywordtype">int</span>) / (1024 * 1024 * get_option_long(<span class="stringliteral">"membudget_mb"</span>, 1024)));</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordflow">if</span> (vertexchunk<1) vertexchunk = 1; </div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  edgecounts = (<span class="keywordtype">int</span>*)calloc( max_vertex_id / vertexchunk + 1, <span class="keyword">sizeof</span>(<span class="keywordtype">int</span>));</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  nedges = 0;</div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  </div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">case</span> SHOVEL:</div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  shovelfs = <span class="keyword">new</span> <span class="keywordtype">int</span>[nshards];</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  bufs = <span class="keyword">new</span> edge_t*[nshards];</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  bufptrs = <span class="keyword">new</span> <span class="keywordtype">int</span>[nshards];</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  bufsize = (1024 * 1024 * get_option_long(<span class="stringliteral">"membudget_mb"</span>, 1024)) / nshards / 4;</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordflow">while</span>(bufsize % <span class="keyword">sizeof</span>(edge_t) != 0) bufsize++;</div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  </div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  logstream(<a class="code" href="logger_8hpp.html#a6ff63e8955665c4a58b1598f2b07c51a">LOG_DEBUG</a>)<< <span class="stringliteral">"Shoveling bufsize: "</span> << bufsize << std::endl;</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  </div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i < nshards; i++) {</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  std::string fname = shovel_filename(i);</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  shovelfs[i] = open(fname.c_str(), O_WRONLY | O_CREAT, S_IROTH | S_IWOTH | S_IWUSR | S_IRUSR);</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">if</span> (shovelfs[i] < 0) {</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  logstream(<a class="code" href="logger_8hpp.html#aced66975c154ea0e2a8ec3bc818b4e08">LOG_ERROR</a>) << <span class="stringliteral">"Could not create a temporary file "</span> << fname <<</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="stringliteral">" error: "</span> << strerror(errno) << std::endl;</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  }</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  assert(shovelfs[i] >= 0);</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  bufs[i] = (edge_t*) malloc(bufsize);</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  bufptrs[i] = 0;</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  }</div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  }</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  }</div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  </div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keywordtype">void</span> end_phase() {</div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Ending phase: "</span> << phase << std::endl;</div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="keywordflow">switch</span> (phase) {</div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keywordflow">case</span> COMPUTE_INTERVALS:</div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  compute_partitionintervals();</div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  free(edgecounts);</div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  edgecounts = NULL;</div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keywordflow">case</span> SHOVEL:</div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i<nshards; i++) {</div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  writea(shovelfs[i], bufs[i], <span class="keyword">sizeof</span>(edge_t) * (bufptrs[i]));</div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  close(shovelfs[i]);</div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  free(bufs[i]);</div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  }</div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  free(bufs);</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  free(bufptrs);</div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  } </div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  }</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  </div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  </div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keywordtype">int</span> lastpart;</div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  </div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="keywordtype">void</span> swrite(<span class="keywordtype">int</span> shard, edge_t et) {</div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  bufs[shard][bufptrs[shard]++] = et;</div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="keywordflow">if</span> (bufptrs[shard] * <span class="keyword">sizeof</span>(edge_t) >= bufsize) {</div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  writea(shovelfs[shard], bufs[shard], <span class="keyword">sizeof</span>(edge_t) * bufptrs[shard]);</div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  bufptrs[shard] = 0;</div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  }</div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  </div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  }</div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  </div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keywordtype">void</span> receive_edge(vid_t from, vid_t to, EdgeDataType value) {</div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="keywordflow">if</span> (to == from) {</div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  logstream(<a class="code" href="logger_8hpp.html#adf4476a6a4ea6c74231c826e899d7189">LOG_WARNING</a>) << <span class="stringliteral">"Tried to add self-edge "</span> << from << <span class="stringliteral">"->"</span> << to << std::endl;</div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  }</div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="keywordflow">if</span> (from > max_vertex_id || to > max_vertex_id) {</div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  logstream(<a class="code" href="logger_8hpp.html#aced66975c154ea0e2a8ec3bc818b4e08">LOG_ERROR</a>) << <span class="stringliteral">"Tried to add an edge with too large from/to values. From:"</span> << </div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  from << <span class="stringliteral">" to: "</span><< to << <span class="stringliteral">" max: "</span> << max_vertex_id << std::endl;</div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  assert(<span class="keyword">false</span>);</div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  }</div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="keywordflow">switch</span> (phase) {</div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="keywordflow">case</span> COMPUTE_INTERVALS:</div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  edgecounts[to / vertexchunk]++;</div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  nedges++;</div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="keywordflow">case</span> SHOVEL:</div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="keywordtype">bool</span> found=<span class="keyword">false</span>;</div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i < nshards; i++) {</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <span class="keywordtype">int</span> shard = (lastpart + i) % nshards;</div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  <span class="keywordflow">if</span> (to >= intervals[shard].first && to <= intervals[shard].second) {</div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  swrite(shard, edge_t(from, to, value));</div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  lastpart = shard; <span class="comment">// Small optimizations, which works if edges are in order for each vertex - not much though</span></div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  found = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  }</div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  }</div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keywordflow">if</span>(!found) {</div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  logstream(<a class="code" href="logger_8hpp.html#aced66975c154ea0e2a8ec3bc818b4e08">LOG_ERROR</a>) << <span class="stringliteral">"Shard not found for : "</span> << to << std::endl; </div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  }</div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  assert(found);</div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  }</div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  }</div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  </div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  </div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  </div>
<div class="line"><a name="l00513"></a><span class="lineno"><a class="code" href="classgraphchi_1_1sharder.html#acba67408a81dfaa5fdac73c1d61f4631"> 513</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classgraphchi_1_1sharder.html#acba67408a81dfaa5fdac73c1d61f4631">write_shards</a>() {</div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> shard=0; shard < nshards; shard++) {</div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Starting final processing for shard: "</span> << shard << std::endl;</div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  </div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  std::string shovelfname = shovel_filename(shard);</div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  std::string fname = filename_shard_adj(basefilename, shard, nshards);</div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  std::string edfname = filename_shard_edata<EdgeDataType>(basefilename, shard, nshards);</div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  </div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <a class="code" href="structgraphchi_1_1edge__with__value.html">edge_t</a> * shovelbuf;</div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <span class="keywordtype">int</span> shovelf = open(shovelfname.c_str(), O_RDONLY);</div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="keywordtype">size_t</span> shovelsize = readfull(shovelf, (<span class="keywordtype">char</span>**) &shovelbuf);</div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keywordtype">size_t</span> numedges = shovelsize / <span class="keyword">sizeof</span>(<a class="code" href="structgraphchi_1_1edge__with__value.html">edge_t</a>);</div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  </div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  logstream(<a class="code" href="logger_8hpp.html#a6ff63e8955665c4a58b1598f2b07c51a">LOG_DEBUG</a>) << <span class="stringliteral">"Shovel size:"</span> << shovelsize << <span class="stringliteral">" edges: "</span> << numedges << std::endl;</div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  </div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  quickSort(shovelbuf, (<span class="keywordtype">int</span>)numedges, edge_t_src_less<EdgeDataType>);</div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  </div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <span class="comment">// Create the final file</span></div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="keywordtype">int</span> f = open(fname.c_str(), O_WRONLY | O_CREAT, S_IROTH | S_IWOTH | S_IWUSR | S_IRUSR);</div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keywordflow">if</span> (f < 0) {</div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  logstream(<a class="code" href="logger_8hpp.html#aced66975c154ea0e2a8ec3bc818b4e08">LOG_ERROR</a>) << <span class="stringliteral">"Could not open "</span> << fname << <span class="stringliteral">" error: "</span> << strerror(errno) << std::endl;</div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  }</div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  assert(f >= 0);</div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  <span class="keywordtype">int</span> trerr = ftruncate(f, 0);</div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  assert(trerr == 0);</div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  </div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  <span class="comment">/* Create edge data file */</span></div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  <span class="keywordtype">int</span> ef = open(edfname.c_str(), O_WRONLY | O_CREAT, S_IROTH | S_IWOTH | S_IWUSR | S_IRUSR);</div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="keywordflow">if</span> (ef < 0) {</div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  logstream(<a class="code" href="logger_8hpp.html#aced66975c154ea0e2a8ec3bc818b4e08">LOG_ERROR</a>) << <span class="stringliteral">"Could not open "</span> << edfname << <span class="stringliteral">" error: "</span> << strerror(errno) << std::endl;</div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  </div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  }</div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  assert(ef >= 0);</div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  </div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <span class="keywordtype">char</span> * buf = (<span class="keywordtype">char</span>*) malloc(SHARDER_BUFSIZE); </div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <span class="keywordtype">char</span> * bufptr = buf;</div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="keywordtype">char</span> * ebuf = (<span class="keywordtype">char</span>*) malloc(SHARDER_BUFSIZE);</div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="keywordtype">char</span> * ebufptr = ebuf;</div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  </div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  vid_t curvid=0;</div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  <span class="keywordtype">size_t</span> istart = 0;</div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i=0; i <= numedges; i++) {</div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <a class="code" href="structgraphchi_1_1edge__with__value.html">edge_t</a> <a class="code" href="structedge.html">edge</a> = (i < numedges ? shovelbuf[i] : <a class="code" href="structgraphchi_1_1edge__with__value.html">edge_t</a>(0, 0, EdgeDataType())); <span class="comment">// Last "element" is a stopper</span></div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  bwrite<EdgeDataType>(ef, ebuf, ebufptr, EdgeDataType(edge.value));</div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  </div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="keywordflow">if</span> ((edge.src != curvid)) {</div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  <span class="comment">// New vertex</span></div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="keywordtype">size_t</span> count = i - istart;</div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  assert(count>0 || curvid==0);</div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="keywordflow">if</span> (count>0) {</div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  <span class="keywordflow">if</span> (count < 255) {</div>
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  uint8_t x = (uint8_t)count;</div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  bwrite<uint8_t>(f, buf, bufptr, x);</div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  bwrite<uint8_t>(f, buf, bufptr, 0xff);</div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  bwrite<uint32_t>(f, buf, bufptr,(uint32_t)count);</div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  }</div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  }</div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  </div>
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> j=istart; j<i; j++) {</div>
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  <a class="code" href="classgraphchi_1_1sharder.html#ae57e42f648104bf6b6ee23d7cf957696">bwrite</a>(f, buf, bufptr, shovelbuf[j].dst);</div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  }</div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  </div>
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  istart = i;</div>
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  </div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  <span class="comment">// Handle zeros</span></div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  <span class="keywordflow">if</span> (!edge.stopper()) {</div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  <span class="keywordflow">if</span> (edge.src - curvid > 1 || (i == 0 && edge.src>0)) {</div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  <span class="keywordtype">int</span> nz = edge.src-curvid-1;</div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  <span class="keywordflow">if</span> (i == 0 && edge.src>0) nz = edge.src; <span class="comment">// border case with the first one</span></div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  <span class="keywordflow">do</span> {</div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  bwrite<uint8_t>(f, buf, bufptr, 0);</div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  nz--;</div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  <span class="keywordtype">int</span> tnz = std::min(254, nz);</div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  bwrite<uint8_t>(f, buf, bufptr, (uint8_t) tnz);</div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  nz -= tnz;</div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  } <span class="keywordflow">while</span> (nz>0);</div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  }</div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  }</div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  curvid = edge.src;</div>
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  }</div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  }</div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  </div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  <span class="comment">/* Flush buffers and free memory */</span></div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  writea(f, buf, bufptr - buf);</div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  free(buf);</div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  free(shovelbuf);</div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  close(f);</div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  close(shovelf);</div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  </div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  writea(ef, ebuf, ebufptr - ebuf);</div>
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  close(ef);</div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  </div>
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  free(ebuf);</div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  <span class="keyword">remove</span>(shovelfname.c_str()); </div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  </div>
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  }</div>
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  </div>
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  create_degree_file();</div>
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  }</div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  </div>
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  </div>
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="keyword">typedef</span> <span class="keywordtype">char</span> dummy_t;</div>
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span> </div>
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  <span class="keyword">typedef</span> <a class="code" href="classgraphchi_1_1sliding__shard.html">sliding_shard<int, dummy_t></a> slidingshard_t;</div>
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  <span class="keyword">typedef</span> <a class="code" href="classgraphchi_1_1memory__shard.html">memory_shard<int, dummy_t></a> memshard_t;</div>
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span> </div>
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  </div>
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  <span class="keywordtype">void</span> create_degree_file() {</div>
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  <span class="comment">// Initialize IO</span></div>
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <a class="code" href="classgraphchi_1_1stripedio.html">stripedio</a> * iomgr = <span class="keyword">new</span> <a class="code" href="classgraphchi_1_1stripedio.html">stripedio</a>(m);</div>
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  std::vector<slidingshard_t * > sliding_shards;</div>
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  </div>
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  <span class="keywordtype">int</span> subwindow = 5000000;</div>
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  std::cout << <span class="stringliteral">"Subwindow : "</span> << subwindow << std::endl;</div>
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  m.set(<span class="stringliteral">"subwindow"</span>, (<span class="keywordtype">size_t</span>)subwindow);</div>
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  </div>
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  <span class="keywordtype">int</span> loadthreads = 4;</div>
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  </div>
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  m.start_time(<span class="stringliteral">"degrees.runtime"</span>);</div>
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  </div>
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  <span class="comment">/* Initialize streaming shards */</span></div>
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  <span class="keywordtype">int</span> blocksize = get_option_int(<span class="stringliteral">"blocksize"</span>, 1024 * 1024);</div>
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  </div>
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> p=0; p < nshards; p++) {</div>
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  std::cout << <span class="stringliteral">"Initialize streaming shard: "</span> << p << std::endl;</div>
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  sliding_shards.push_back(</div>
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  <span class="keyword">new</span> slidingshard_t(iomgr, filename_shard_edata<EdgeDataType>(basefilename, p, nshards), </div>
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  filename_shard_adj(basefilename, p, nshards), intervals[p].first, </div>
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  intervals[p].second, </div>
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  blocksize, m, <span class="keyword">true</span>));</div>
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  }</div>
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> p=0; p < nshards; p++) sliding_shards[p]->only_adjacency = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  </div>
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  graphchi_context ginfo;</div>
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  ginfo.nvertices = 1 + intervals[nshards - 1].second;</div>
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  ginfo.scheduler = NULL;</div>
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  </div>
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  </div>
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  std::string outputfname = filename_degree_data(basefilename);</div>
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  </div>
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="keywordtype">int</span> degreeOutF = open(outputfname.c_str(), O_RDWR | O_CREAT, S_IROTH | S_IWOTH | S_IWUSR | S_IRUSR);</div>
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <span class="keywordflow">if</span> (degreeOutF < 0) {</div>
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  logstream(<a class="code" href="logger_8hpp.html#aced66975c154ea0e2a8ec3bc818b4e08">LOG_ERROR</a>) << <span class="stringliteral">"Could not create: "</span> << degreeOutF << std::endl;</div>
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  }</div>
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  assert(degreeOutF >= 0);</div>
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  <span class="keywordtype">int</span> trerr = ftruncate(degreeOutF, ginfo.nvertices * <span class="keyword">sizeof</span>(<span class="keywordtype">int</span>) * 2);</div>
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  assert(trerr == 0);</div>
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  </div>
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> window=0; window<nshards; window++) {</div>
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  metrics_entry mwi = m.start_time();</div>
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  </div>
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  vid_t interval_st = intervals[window].first;</div>
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  vid_t interval_en = intervals[window].second;</div>
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  </div>
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  <span class="comment">/* Flush stream shard for the window */</span></div>
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  sliding_shards[window]->flush();</div>
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  </div>
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  <span class="comment">/* Load shard[window] into memory */</span></div>
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  memshard_t memshard(iomgr, filename_shard_edata<EdgeDataType>(basefilename, window, nshards), filename_shard_adj(basefilename, window, nshards),</div>
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  interval_st, interval_en, m);</div>
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  memshard.only_adjacency = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"Interval: "</span> << interval_st << <span class="stringliteral">" "</span> << interval_en << std::endl;</div>
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  </div>
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <span class="keywordflow">for</span>(vid_t subinterval_st=interval_st; subinterval_st < interval_en; ) {</div>
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  vid_t subinterval_en = std::min(interval_en, subinterval_st + subwindow);</div>
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  logstream(<a class="code" href="logger_8hpp.html#aeb4f36db01bd128c7afeac5889dac311">LOG_INFO</a>) << <span class="stringliteral">"(Degree proc.) Sub-window: ["</span> << subinterval_st << <span class="stringliteral">" - "</span> << subinterval_en << <span class="stringliteral">"]"</span> << std::endl;</div>
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  assert(subinterval_en >= subinterval_st && subinterval_en <= interval_en);</div>
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  </div>
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  <span class="comment">/* Preallocate vertices */</span></div>
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  metrics_entry men = m.start_time();</div>
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  <span class="keywordtype">int</span> nvertices = subinterval_en-subinterval_st+1;</div>
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  std::vector< graphchi_vertex<int, dummy_t> > vertices(nvertices, graphchi_vertex<int, dummy_t>()); <span class="comment">// preallocate</span></div>
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  </div>
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  </div>
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i < nvertices; i++) {</div>
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  vertices[i] = graphchi_vertex<int, dummy_t>(subinterval_st + i, NULL, NULL, 0, 0);</div>
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  vertices[i].scheduled = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  } </div>
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  </div>
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  metrics_entry me = m.start_time();</div>
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  omp_set_num_threads(loadthreads);</div>
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span> <span class="preprocessor">#pragma omp parallel for</span></div>
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span> <span class="preprocessor"></span> <span class="keywordflow">for</span>(<span class="keywordtype">int</span> p=-1; p < nshards; p++) {</div>
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  <span class="keywordflow">if</span> (p == (-1)) {</div>
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  <span class="comment">// if first window, now need to load the memshard</span></div>
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  <span class="keywordflow">if</span> (memshard.loaded() == <span class="keyword">false</span>) {</div>
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  memshard.load();</div>
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  }</div>
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  </div>
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  <span class="comment">/* Load vertices from memshard (only inedges for now so can be done in parallel) */</span></div>
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  memshard.load_vertices(subinterval_st, subinterval_en, vertices);</div>
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  <span class="comment">/* Stream forward other than the window partition */</span></div>
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  <span class="keywordflow">if</span> (p != window) {</div>
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  sliding_shards[p]->read_next_vertices(nvertices, subinterval_st, vertices, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  }</div>
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  }</div>
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  }</div>
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  </div>
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  m.stop_time(me, <span class="stringliteral">"stream_ahead"</span>, window, <span class="keyword">true</span>); </div>
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  </div>
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  </div>
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  metrics_entry mev = m.start_time();</div>
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  <span class="comment">// Read first current values</span></div>
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  </div>
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  <span class="keywordtype">int</span> * vbuf = (<span class="keywordtype">int</span>*) malloc(nvertices*<span class="keyword">sizeof</span>(<span class="keywordtype">int</span>)*2);</div>
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  </div>
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i<nvertices; i++) {</div>
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  vbuf[2 * i] = vertices[i].num_inedges();</div>
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  vbuf[2 * i +1] = vertices[i].num_outedges();</div>
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  }</div>
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  pwritea(degreeOutF, vbuf, nvertices * <span class="keyword">sizeof</span>(<span class="keywordtype">int</span>) * 2, subinterval_st * <span class="keyword">sizeof</span>(<span class="keywordtype">int</span>) * 2);</div>
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  </div>
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  free(vbuf);</div>
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  </div>
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  <span class="comment">// Move window</span></div>
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  subinterval_st = subinterval_en+1;</div>
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  }</div>
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  <span class="comment">/* Move the offset of the window-shard forward */</span></div>
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  sliding_shards[window]->set_offset(memshard.offset_for_stream_cont(), memshard.offset_vid_for_stream_cont(),</div>
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  memshard.edata_ptr_for_stream_cont()); </div>
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  }</div>
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  close(degreeOutF);</div>
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  m.stop_time(<span class="stringliteral">"degrees.runtime"</span>);</div>
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  <span class="keyword">delete</span> iomgr;</div>
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  }</div>
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span> </div>
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span> </div>
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  }; <span class="comment">// End class sharder</span></div>
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  </div>
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span> }; <span class="comment">// namespace</span></div>
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<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">ALSVerticesInMemProgram Struct Reference</div> </div>
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Inheritance diagram for ALSVerticesInMemProgram:</div>
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<img src="struct_a_l_s_vertices_in_mem_program.png" usemap="#ALSVerticesInMemProgram_map" alt=""/>
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<area href="classgraphchi_1_1_graph_chi_program.html" alt="graphchi::GraphChiProgram< VertexDataType, EdgeDataType >" shape="rect" coords="0,0,377,24"/>
</map>
</div></div>
<p><a href="struct_a_l_s_vertices_in_mem_program-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:aa10200a9a239d9816e51f876985aec3c"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa10200a9a239d9816e51f876985aec3c"></a>
virtual void </td><td class="memItemRight" valign="bottom"><b>set_latent_factor</b> (<a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi_vertex</a>< VertexDataType, EdgeDataType > &vertex, <a class="el" href="structlatentvec__t.html">latentvec_t</a> &fact)</td></tr>
<tr class="memitem:ad9a6a2fdf9c1e996b89ebef238a45de1"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_a_l_s_vertices_in_mem_program.html#ad9a6a2fdf9c1e996b89ebef238a45de1">before_iteration</a> (int iteration, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
<tr class="memitem:a79ab59ee2ac716c0a4c7489c5bffe987"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_a_l_s_vertices_in_mem_program.html#a79ab59ee2ac716c0a4c7489c5bffe987">update</a> (<a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi_vertex</a>< VertexDataType, EdgeDataType > &vertex, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
<tr class="memitem:ad5f96d529e7b579610944c660269b136"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_a_l_s_vertices_in_mem_program.html#ad5f96d529e7b579610944c660269b136">after_iteration</a> (int iteration, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
<tr class="memitem:a36db7afcd9ec22c1ddbe378f91f0fe5e"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_a_l_s_vertices_in_mem_program.html#a36db7afcd9ec22c1ddbe378f91f0fe5e">before_exec_interval</a> (vid_t window_st, vid_t window_en, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
<tr class="memitem:a0a71542edb0835aa1bedf5cc1ef83975"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_a_l_s_vertices_in_mem_program.html#a0a71542edb0835aa1bedf5cc1ef83975">after_exec_interval</a> (vid_t window_st, vid_t window_en, <a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> &gcontext)</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2><a name="pub-attribs"></a>
Public Attributes</h2></td></tr>
<tr class="memitem:aebf3308cb87a54caffac08cf976889cc"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aebf3308cb87a54caffac08cf976889cc"></a>
std::vector< <a class="el" href="structlatentvec__t.html">latentvec_t</a> > </td><td class="memItemRight" valign="bottom"><b>latent_factors_inmem</b></td></tr>
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<tr class="heading"><td colspan="2"><h2><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_types_classgraphchi_1_1_graph_chi_program"><td colspan="2" onclick="javascript:toggleInherit('pub_types_classgraphchi_1_1_graph_chi_program')"><img src="closed.png" alt="-"/> Public Types inherited from <a class="el" href="classgraphchi_1_1_graph_chi_program.html">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a></td></tr>
<tr class="memitem:aac56995fb8ac698f229ff0477e71d30f inherit pub_types_classgraphchi_1_1_graph_chi_program"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aac56995fb8ac698f229ff0477e71d30f"></a>
typedef VertexDataType </td><td class="memItemRight" valign="bottom"><b>VertexDataType</b></td></tr>
<tr class="memitem:a16c23705a587cae77c8c1761be6ebe81 inherit pub_types_classgraphchi_1_1_graph_chi_program"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a16c23705a587cae77c8c1761be6ebe81"></a>
typedef EdgeDataType </td><td class="memItemRight" valign="bottom"><b>EdgeDataType</b></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>GraphChi programs need to subclass GraphChiProgram<vertex-type, edge-type> class. The main logic is usually in the update function. </p>
</div><hr/><h2>Member Function Documentation</h2>
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<td class="memname">void ALSVerticesInMemProgram::after_exec_interval </td>
<td>(</td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>window_st</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>window_en</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>gcontext</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
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<p>Called after an execution interval has finished. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#a9be881d1232e530c8d1852188cc8a84d">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void ALSVerticesInMemProgram::after_iteration </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>iteration</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>gcontext</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
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<p>Called after an iteration has finished. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#a24259d43b85d28af16d53a4176d29a07">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void ALSVerticesInMemProgram::before_exec_interval </td>
<td>(</td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>window_st</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">vid_t </td>
<td class="paramname"><em>window_en</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>gcontext</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
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<p>Called before an execution interval is started. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#ab2f7244ddb743deb859dbc2fc927078a">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void ALSVerticesInMemProgram::before_iteration </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>iteration</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>gcontext</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
</tr>
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<p>Called before an iteration starts. </p>
<p>Reimplemented from <a class="el" href="classgraphchi_1_1_graph_chi_program.html#aec6d16fd6dddf1543afe55360a653cf2">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
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<td class="memname">void ALSVerticesInMemProgram::update </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classgraphchi_1_1graphchi__vertex.html">graphchi_vertex</a>< VertexDataType, EdgeDataType > & </td>
<td class="paramname"><em>vertex</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structgraphchi_1_1graphchi__context.html">graphchi_context</a> & </td>
<td class="paramname"><em>gcontext</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
</tr>
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<p>Vertex update function. </p>
<p>Implements <a class="el" href="classgraphchi_1_1_graph_chi_program.html#ad76f8881627e3c039144e261bfc77770">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>.</p>
</div>
</div>
<hr/>The documentation for this struct was generated from the following file:<ul>
<li>example_apps/matrix_factorization/<a class="el" href="als__vertices__inmem_8cpp.html">als_vertices_inmem.cpp</a></li>
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<p>This is the complete list of members for <a class="el" href="struct_connected_components_program.html">ConnectedComponentsProgram</a>, including all inherited members.</p>
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<tr class="even"><td class="entry"><a class="el" href="struct_connected_components_program.html#ac7970431691b01689a29cee5f0baa759">after_exec_interval</a>(vid_t window_st, vid_t window_en, graphchi_context &ginfo)</td><td class="entry"><a class="el" href="struct_connected_components_program.html">ConnectedComponentsProgram</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr>
<tr><td class="entry"><a class="el" href="struct_connected_components_program.html#acfee1eaafacf9a197b17fefb365914ba">after_iteration</a>(int iteration, graphchi_context &ginfo)</td><td class="entry"><a class="el" href="struct_connected_components_program.html">ConnectedComponentsProgram</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr>
<tr class="even"><td class="entry"><a class="el" href="struct_connected_components_program.html#ab8720ed99bd8d2bc555e8e545a48a858">before_exec_interval</a>(vid_t window_st, vid_t window_en, graphchi_context &ginfo)</td><td class="entry"><a class="el" href="struct_connected_components_program.html">ConnectedComponentsProgram</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr>
<tr><td class="entry"><a class="el" href="struct_connected_components_program.html#aae6274665671c137878968c6714cfdcf">before_iteration</a>(int iteration, graphchi_context &info)</td><td class="entry"><a class="el" href="struct_connected_components_program.html">ConnectedComponentsProgram</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>EdgeDataType</b> typedef (defined in <a class="el" href="classgraphchi_1_1_graph_chi_program.html">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1_graph_chi_program.html">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a></td><td class="entry"></td></tr>
<tr><td class="entry"><a class="el" href="struct_connected_components_program.html#a31f583b07a3882bb1c231070d2f430c2">update</a>(graphchi_vertex< VertexDataType, EdgeDataType > &vertex, graphchi_context &gcontext)</td><td class="entry"><a class="el" href="struct_connected_components_program.html">ConnectedComponentsProgram</a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>VertexDataType</b> typedef (defined in <a class="el" href="classgraphchi_1_1_graph_chi_program.html">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1_graph_chi_program.html">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>~GraphChiProgram</b>() (defined in <a class="el" href="classgraphchi_1_1_graph_chi_program.html">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1_graph_chi_program.html">graphchi::GraphChiProgram< VertexDataType, EdgeDataType ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr>
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<li class="navelem"><b>mongoose</b></li><li class="navelem"><a class="el" href="classmongoose_1_1_mongoose_connection.html">MongooseConnection</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">mongoose::MongooseConnection Class Reference</div> </div>
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<p><a href="classmongoose_1_1_mongoose_connection-members.html">List of all members.</a></p>
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Public Member Functions</h2></td></tr>
<tr class="memitem:a9997781ab458ead479313ac7bd61176d"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9997781ab458ead479313ac7bd61176d"></a>
 </td><td class="memItemRight" valign="bottom"><b>MongooseConnection</b> (struct <a class="el" href="structmg__connection.html">mg_connection</a> *conn)</td></tr>
<tr class="memitem:abbff74b8e3624b65b5ed9e54f5ba0919"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="abbff74b8e3624b65b5ed9e54f5ba0919"></a>
int </td><td class="memItemRight" valign="bottom"><b>write</b> (const void *buf, size_t len)</td></tr>
<tr class="memitem:a507e17f8559daefdeaf3815f261ce808"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a507e17f8559daefdeaf3815f261ce808"></a>
int </td><td class="memItemRight" valign="bottom"><b>write</b> (const std::string &text)</td></tr>
<tr class="memitem:af04025f39e8efb941572b8d939b00ddd"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af04025f39e8efb941572b8d939b00ddd"></a>
int </td><td class="memItemRight" valign="bottom"><b>read</b> (void *buf, size_t len)</td></tr>
<tr class="memitem:ae3ddf83462507bf0996b541ef230f96b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae3ddf83462507bf0996b541ef230f96b"></a>
void </td><td class="memItemRight" valign="bottom"><b>sendAuthorizationRequest</b> (const std::string &nonce="")</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>getHeader</b> (const std::string &name, std::string &output) const </td></tr>
<tr class="memitem:a3d4daf500dd8938630568341b3717058"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3d4daf500dd8938630568341b3717058"></a>
bool </td><td class="memItemRight" valign="bottom"><b>getCookie</b> (const std::string &name, std::string &output) const </td></tr>
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struct <a class="el" href="structmg__connection.html">mg_connection</a> * </td><td class="memItemRight" valign="bottom"><b>getInfo</b> ()</td></tr>
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Protected Attributes</h2></td></tr>
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struct <a class="el" href="structmg__connection.html">mg_connection</a> * </td><td class="memItemRight" valign="bottom"><b>m_conn</b></td></tr>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li>src/external/vpiotr-mongoose-cpp/<a class="el" href="mongcpp_8h_source.html">mongcpp.h</a></li>
<li>src/external/vpiotr-mongoose-cpp/mongcpp.cpp</li>
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<p>This is the complete list of members for <a class="el" href="classgraphchi_1_1_functional_program_proxy_bulk_sync.html">graphchi::FunctionalProgramProxyBulkSync< KERNEL ></a>, including all inherited members.</p>
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<tr class="even"><td class="entry"><a class="el" href="classgraphchi_1_1_graph_chi_program.html#a9be881d1232e530c8d1852188cc8a84d">after_exec_interval</a>(vid_t window_st, vid_t window_en, graphchi_context &gcontext)</td><td class="entry"><a class="el" href="classgraphchi_1_1_graph_chi_program.html">graphchi::GraphChiProgram< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType >, functional_vertex_unweighted_bulksync< KERNEL > ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr>
<tr><td class="entry"><a class="el" href="classgraphchi_1_1_functional_program_proxy_bulk_sync.html#aec785d38796b14c6e30ad8e520fb8c95">after_iteration</a>(int iteration, graphchi_context &ginfo)</td><td class="entry"><a class="el" href="classgraphchi_1_1_functional_program_proxy_bulk_sync.html">graphchi::FunctionalProgramProxyBulkSync< KERNEL ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr>
<tr class="even"><td class="entry"><a class="el" href="classgraphchi_1_1_functional_program_proxy_bulk_sync.html#a86e371c3f592749f69d660b543f4ea8a">before_exec_interval</a>(vid_t window_st, vid_t window_en, graphchi_context &ginfo)</td><td class="entry"><a class="el" href="classgraphchi_1_1_functional_program_proxy_bulk_sync.html">graphchi::FunctionalProgramProxyBulkSync< KERNEL ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr>
<tr><td class="entry"><a class="el" href="classgraphchi_1_1_functional_program_proxy_bulk_sync.html#a22b966ef5ec0c6aa6fb78d9efddc2bd3">before_iteration</a>(int iteration, graphchi_context &info)</td><td class="entry"><a class="el" href="classgraphchi_1_1_functional_program_proxy_bulk_sync.html">graphchi::FunctionalProgramProxyBulkSync< KERNEL ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>EdgeDataType</b> typedef (defined in <a class="el" href="classgraphchi_1_1_functional_program_proxy_bulk_sync.html">graphchi::FunctionalProgramProxyBulkSync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1_functional_program_proxy_bulk_sync.html">graphchi::FunctionalProgramProxyBulkSync< KERNEL ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>fvertex_t</b> typedef (defined in <a class="el" href="classgraphchi_1_1_functional_program_proxy_bulk_sync.html">graphchi::FunctionalProgramProxyBulkSync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1_functional_program_proxy_bulk_sync.html">graphchi::FunctionalProgramProxyBulkSync< KERNEL ></a></td><td class="entry"></td></tr>
<tr class="even"><td class="entry"><a class="el" href="classgraphchi_1_1_functional_program_proxy_bulk_sync.html#a3d67a82f5c839fec4afc283f1d8df7bf">update</a>(fvertex_t &v, graphchi_context &ginfo)</td><td class="entry"><a class="el" href="classgraphchi_1_1_functional_program_proxy_bulk_sync.html">graphchi::FunctionalProgramProxyBulkSync< KERNEL ></a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr><td class="entry"><a class="el" href="classgraphchi_1_1_graph_chi_program.html#ad76f8881627e3c039144e261bfc77770">GraphChiProgram< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType >, functional_vertex_unweighted_bulksync< KERNEL > >::update</a>(functional_vertex_unweighted_bulksync< KERNEL > &v, graphchi_context &gcontext)=0</td><td class="entry"><a class="el" href="classgraphchi_1_1_graph_chi_program.html">graphchi::GraphChiProgram< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType >, functional_vertex_unweighted_bulksync< KERNEL > ></a></td><td class="entry"><span class="mlabel">pure virtual</span></td></tr>
<tr bgcolor="#f0f0f0"class="even"><td class="entry"><b>VertexDataType</b> typedef (defined in <a class="el" href="classgraphchi_1_1_functional_program_proxy_bulk_sync.html">graphchi::FunctionalProgramProxyBulkSync< KERNEL ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1_functional_program_proxy_bulk_sync.html">graphchi::FunctionalProgramProxyBulkSync< KERNEL ></a></td><td class="entry"></td></tr>
<tr bgcolor="#f0f0f0"><td class="entry"><b>~GraphChiProgram</b>() (defined in <a class="el" href="classgraphchi_1_1_graph_chi_program.html">graphchi::GraphChiProgram< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType >, functional_vertex_unweighted_bulksync< KERNEL > ></a>)</td><td class="entry"><a class="el" href="classgraphchi_1_1_graph_chi_program.html">graphchi::GraphChiProgram< KERNEL::VertexDataType, PairContainer< KERNEL::EdgeDataType >, functional_vertex_unweighted_bulksync< KERNEL > ></a></td><td class="entry"><span class="mlabel">inline</span><span class="mlabel">virtual</span></td></tr>
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<div class="textblock"><code>#include <assert.h></code><br/>
<code>#include "<a class="el" href="graph__objects_8hpp_source.html">api/graph_objects.hpp</a>"</code><br/>
<code>#include "<a class="el" href="graphchi__context_8hpp_source.html">api/graphchi_context.hpp</a>"</code><br/>
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<code>#include "<a class="el" href="metrics_8hpp_source.html">metrics/metrics.hpp</a>"</code><br/>
<code>#include "graphchi_types.hpp"</code><br/>
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<tr class="memitem:namespacegraphchi"><td class="memItemLeft" align="right" valign="top">namespace  </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacegraphchi.html">graphchi</a></td></tr>
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<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><dl class="section author"><dt>Author:</dt><dd>Aapo Kyrola <a href="#" onclick="location.href='mai'+'lto:'+'aky'+'ro'+'la@'+'cs'+'.cm'+'u.'+'edu'; return false;">akyro<span style="display: none;">.nosp@m.</span>la@c<span style="display: none;">.nosp@m.</span>s.cmu<span style="display: none;">.nosp@m.</span>.edu</a> </dd></dl>
<dl class="section version"><dt>Version:</dt><dd>1.0</dd></dl>
<h1><a class="anchor" id="LICENSE"></a>
LICENSE</h1>
<p>Copyright [2012] [Aapo Kyrola, Guy Blelloch, Carlos Guestrin / Carnegie Mellon University]</p>
<p>Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at</p>
<p><a href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a></p>
<p>Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.</p>
<h1><a class="anchor" id="DESCRIPTION"></a>
DESCRIPTION</h1>
<p>Bulk-synchronous implementation of the functional API. This API can be used to implement Sparse-Matrix-Vector-Multiply programs.</p>
<h1><a class="anchor" id="TODO"></a>
TODO</h1>
<p>There is too much common code with the semi-sync version. Consolidate! </p>
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