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http://rosettacode.org/wiki/Integer_comparison
Integer comparison
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#DCL
DCL
$ inquire a "Please provide an integer" $ inquire b "Please provide another" $ if a .lt. b then $ write sys$output "the first integer is less" $ if a .eq. b then $ write sys$output "the integers have the same value" $ if a .gt. b then $ write sys$output "the first integer is greater"
http://rosettacode.org/wiki/Include_a_file
Include a file
Task Demonstrate the language's ability to include source code from other files. See Also Compiler/Simple file inclusion pre processor
#m4
m4
include(filename)
http://rosettacode.org/wiki/Include_a_file
Include a file
Task Demonstrate the language's ability to include source code from other files. See Also Compiler/Simple file inclusion pre processor
#Maple
Maple
$include <somefile>
http://rosettacode.org/wiki/Include_a_file
Include a file
Task Demonstrate the language's ability to include source code from other files. See Also Compiler/Simple file inclusion pre processor
#Mathematica_.2F_Wolfram_Language
Mathematica / Wolfram Language
Get["myfile.m"]
http://rosettacode.org/wiki/IBAN
IBAN
This page uses content from Wikipedia. The original article was at IBAN. The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance) The   International Bank Account Number (IBAN)   is an internationally agree...
#Common_Lisp
Common Lisp
  ;; ;; List of the IBAN code lengths per country. ;; (defvar *IBAN-code-length* '((15 . ("NO")) (16 . ("BE")) (18 . ("DK" "FO" "FI" "GL" "NL")) (19 . ("MK" "SI")) (20 . ("AT" "BA" "EE" "KZ" "LT" "LU"))...
http://rosettacode.org/wiki/Humble_numbers
Humble numbers
Humble numbers are positive integers which have   no   prime factors   >   7. Humble numbers are also called   7-smooth numbers,   and sometimes called   highly composite, although this conflicts with another meaning of   highly composite numbers. Another way to express the above is: humble = 2i × 3j × 5k...
#JavaScript
JavaScript
(() => { 'use strict';   // ------------------ HUMBLE NUMBERS -------------------   // humbles :: () -> [Int] function* humbles() { // A non-finite stream of Humble numbers. // OEIS A002473 const hs = new Set([1]); while (true) { let nxt = Math.min(...hs) ...
http://rosettacode.org/wiki/Identity_matrix
Identity matrix
Task Build an   identity matrix   of a size known at run-time. An identity matrix is a square matrix of size n × n, where the diagonal elements are all 1s (ones), and all the other elements are all 0s (zeroes). I n = [ 1 0 0 ⋯ 0 0 1 0 ⋯ 0 0 0 1 ⋯ 0 ⋮ ⋮ ⋮ ⋱ ...
#BQN
BQN
⍝ Using table Eye ← =⌜˜∘↕ •Show Eye 3   ⍝ Using reshape Eye1 ← {𝕩‿𝕩⥊1∾𝕩⥊0} Eye1 5
http://rosettacode.org/wiki/Hunt_the_Wumpus
Hunt the Wumpus
This task has been flagged for clarification. Code on this page in its current state may be flagged incorrect once this task has been clarified. See this page's Talk page for discussion. Create a simple implementation of the classic textual game Hunt The Wumpus. The rules are: The game is set in a cave that consists ...
#Shale
Shale
  #!/usr/local/bin/shale   // This is an implementation of the old game called Hunt the Wumpus. // // You can read about it here: https://en.wikipedia.org/wiki/Hunt_the_Wumpus // // Here's a quick summary: // // You are in a maze of 20 rooms, numbered 1 through 20. Each room is connected to // 3 other rooms. There is n...
http://rosettacode.org/wiki/Hunt_the_Wumpus
Hunt the Wumpus
This task has been flagged for clarification. Code on this page in its current state may be flagged incorrect once this task has been clarified. See this page's Talk page for discussion. Create a simple implementation of the classic textual game Hunt The Wumpus. The rules are: The game is set in a cave that consists ...
#Swift
Swift
  import Foundation   //All rooms in cave var cave: [Int:[Int]] = [ 1: [2, 3, 4], 2: [1, 5, 6], 3: [1, 7, 8], 4: [1, 9, 10], 5: [2, 9, 11], 6: [2, 7, 12], 7: [3, 6, 13], 8: [3, 10, 14], 9: [4, 5, 15], 10: [4, 8, 16], 11: [5, 12, 17], 12: [6, 11, 18], 13: [7, 14, 18], ...
http://rosettacode.org/wiki/Image_noise
Image noise
Generate a random black and white   320x240   image continuously, showing FPS (frames per second). A sample image
#PL.2FI
PL/I
Image_Noise: procedure options (main); /* 3 November 2013 */ declare (start_time, end_time) float (18); declare (frame, m, n) fixed binary;   start_time = secs(); get (m, n); do frame = 1 to 100; /* Generate 100 frames. */ call display (m, n); put skip data (frame); end; end_time = secs...
http://rosettacode.org/wiki/Image_noise
Image noise
Generate a random black and white   320x240   image continuously, showing FPS (frames per second). A sample image
#Processing
Processing
color black = color(0); color white = color(255);   void setup(){ size(320,240); // frameRate(300); // 60 by default }   void draw(){ loadPixels(); for(int i=0; i<pixels.length; i++){ if(random(1)<0.5){ pixels[i] = black; }else{ pixels[i] = white; } } updatePixels(); fill(0,128); ...
http://rosettacode.org/wiki/Integer_sequence
Integer sequence
Task Create a program that, when run, would display all integers from   1   to   ∞   (or any relevant implementation limit),   in sequence   (i.e.   1, 2, 3, 4, etc)   if given enough time. An example may not be able to reach arbitrarily-large numbers based on implementations limits.   For example, if integer...
#jq
jq
def iota: ., (. + 1 | iota); 0 | iota
http://rosettacode.org/wiki/Integer_sequence
Integer sequence
Task Create a program that, when run, would display all integers from   1   to   ∞   (or any relevant implementation limit),   in sequence   (i.e.   1, 2, 3, 4, etc)   if given enough time. An example may not be able to reach arbitrarily-large numbers based on implementations limits.   For example, if integer...
#Julia
Julia
i = zero(BigInt) # or i = big(0) while true println(i += 1) end
http://rosettacode.org/wiki/Infinity
Infinity
Task Write a function which tests if infinity is supported for floating point numbers (this step should be omitted for languages where the language specification already demands the existence of infinity, e.g. by demanding IEEE numbers), and if so, returns positive infinity.   Otherwise, return the largest possible po...
#Scheme
Scheme
+inf.0 ; positive infinity (define (finite? x) (< -inf.0 x +inf.0)) (define (infinite? x) (not (finite? x)))
http://rosettacode.org/wiki/Infinity
Infinity
Task Write a function which tests if infinity is supported for floating point numbers (this step should be omitted for languages where the language specification already demands the existence of infinity, e.g. by demanding IEEE numbers), and if so, returns positive infinity.   Otherwise, return the largest possible po...
#Seed7
Seed7
const float: Infinity is 1.0 / 0.0;
http://rosettacode.org/wiki/Infinity
Infinity
Task Write a function which tests if infinity is supported for floating point numbers (this step should be omitted for languages where the language specification already demands the existence of infinity, e.g. by demanding IEEE numbers), and if so, returns positive infinity.   Otherwise, return the largest possible po...
#Sidef
Sidef
var a = 1.5/0 # Inf say a.is_inf # true say a.is_pos # true   var b = -1.5/0 # -Inf say b.is_ninf # true say b.is_neg # true   var inf = Inf var ninf = -Inf say (inf == -ninf) # true
http://rosettacode.org/wiki/Infinity
Infinity
Task Write a function which tests if infinity is supported for floating point numbers (this step should be omitted for languages where the language specification already demands the existence of infinity, e.g. by demanding IEEE numbers), and if so, returns positive infinity.   Otherwise, return the largest possible po...
#Slate
Slate
PositiveInfinity
http://rosettacode.org/wiki/Input_loop
Input loop
Input loop is part of Short Circuit's Console Program Basics selection. Task Read from a text stream either word-by-word or line-by-line until the stream runs out of data. The stream will have an unknown amount of data on it.
#Pascal
Pascal
{ for stdio }   var   s : string ;   begin   repeat   readln(s);   until s = "" ;   { for a file }   var   f : text ; s : string ;   begin   assignfile(f,'foo'); reset(f);   while not eof(f) do readln(f,s);   closefile(f);   end;
http://rosettacode.org/wiki/Input_loop
Input loop
Input loop is part of Short Circuit's Console Program Basics selection. Task Read from a text stream either word-by-word or line-by-line until the stream runs out of data. The stream will have an unknown amount of data on it.
#Perl
Perl
open FH, "< $filename" or die "can't open file: $!"; while (my $line = <FH>) { chomp $line; # removes trailing newline # process $line } close FH or die "can't close file: $!";
http://rosettacode.org/wiki/Josephus_problem
Josephus problem
Josephus problem is a math puzzle with a grim description: n {\displaystyle n} prisoners are standing on a circle, sequentially numbered from 0 {\displaystyle 0} to n − 1 {\displaystyle n-1} . An executioner walks along the circle, starting from prisoner 0 {\displaystyle 0} , removing eve...
#Ruby
Ruby
n = (ARGV[0] || 41).to_i k = (ARGV[1] || 3).to_i   prisoners = (0...n).to_a prisoners.rotate!(k-1).shift while prisoners.length > 1 puts prisoners.first
http://rosettacode.org/wiki/I_before_E_except_after_C
I before E except after C
The phrase     "I before E, except after C"     is a widely known mnemonic which is supposed to help when spelling English words. Task Using the word list from   http://wiki.puzzlers.org/pub/wordlists/unixdict.txt, check if the two sub-clauses of the phrase are plausible individually:   "I before E when not pre...
#D
D
import std.file; import std.stdio;   int main(string[] args) { if (args.length < 2) { stderr.writeln(args[0], " filename"); return 1; }   int cei, cie, ie, ei; auto file = File(args[1]); foreach(line; file.byLine) { auto res = eval(cast(string) line); cei += res.cei; ...
http://rosettacode.org/wiki/Increment_a_numerical_string
Increment a numerical string
Task Increment a numerical string.
#EGL
EGL
s string = "12345"; s = 1 + s; // Note: s + 1 is a string concatenation.
http://rosettacode.org/wiki/Increment_a_numerical_string
Increment a numerical string
Task Increment a numerical string.
#Eiffel
Eiffel
  class APPLICATION   create make   feature {NONE}   make do io.put_string (increment_numerical_string ("7")) io.new_line io.put_string (increment_numerical_string ("99")) end   increment_numerical_string (s: STRING): STRING -- String 's' incremented by one. do Result := s.to_integer.plus (1).o...
http://rosettacode.org/wiki/Integer_comparison
Integer comparison
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#Delphi
Delphi
program IntegerCompare;   {$APPTYPE CONSOLE}   var a, b: Integer; begin Readln(a, b); if a < b then Writeln(a, ' is less than ', b); if a = b then Writeln(a, ' is equal to ', b); if a > b then Writeln(a, ' is greater than ', b); end.
http://rosettacode.org/wiki/Include_a_file
Include a file
Task Demonstrate the language's ability to include source code from other files. See Also Compiler/Simple file inclusion pre processor
#MATLAB_.2F_Octave
MATLAB / Octave
% add a new directory at the end of the path path(path,newdir); addpath(newdir,'-end'); % same as before   % add a new directory at the beginning addpath(newdir); path(newdir,path); % same as before
http://rosettacode.org/wiki/Include_a_file
Include a file
Task Demonstrate the language's ability to include source code from other files. See Also Compiler/Simple file inclusion pre processor
#Maxima
Maxima
load("c:/.../source.mac")$   /* or if source.mac is in Maxima search path (see ??file_search_maxima), simply */ load(source)$
http://rosettacode.org/wiki/Include_a_file
Include a file
Task Demonstrate the language's ability to include source code from other files. See Also Compiler/Simple file inclusion pre processor
#Modula-2
Modula-2
IMPORT InOut, NumConv, Strings;
http://rosettacode.org/wiki/IBAN
IBAN
This page uses content from Wikipedia. The original article was at IBAN. The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance) The   International Bank Account Number (IBAN)   is an internationally agree...
#D
D
import std.stdio, std.string, std.regex, std.conv, std.bigint, std.algorithm, std.ascii;   immutable int[string] country2len; static this() { country2len = ["AL":28, "AD":24, "AT":20, "AZ":28, "BE":16, "BH":22, "BA":20, "BR":29, "BG":22, "CR":21, "HR":21, "CY":28, "CZ":24, "DK":18, "DO":28, "EE":20, ...
http://rosettacode.org/wiki/Humble_numbers
Humble numbers
Humble numbers are positive integers which have   no   prime factors   >   7. Humble numbers are also called   7-smooth numbers,   and sometimes called   highly composite, although this conflicts with another meaning of   highly composite numbers. Another way to express the above is: humble = 2i × 3j × 5k...
#jq
jq
  # Input: a positive integer # Output: true iff the input is humble def humble: . as $i | if ($i < 2) then true elif ($i % 2 == 0) then ($i / 2 | floor) | humble elif ($i % 3 == 0) then ($i / 3 | floor) | humble elif ($i % 5 == 0) then ($i / 5 | floor) | humble elif ($i % 7 == 0) then ($i / 7 | f...
http://rosettacode.org/wiki/Humble_numbers
Humble numbers
Humble numbers are positive integers which have   no   prime factors   >   7. Humble numbers are also called   7-smooth numbers,   and sometimes called   highly composite, although this conflicts with another meaning of   highly composite numbers. Another way to express the above is: humble = 2i × 3j × 5k...
#Julia
Julia
  function counthumbledigits(maxdigits, returnsequencelength=50) n, count, adjustindex, maxdiff = BigInt(1), 0, BigInt(0), 0 humble, savesequence = Vector{BigInt}([1]), Vector{BigInt}() base2, base3, base5, base7 = 1, 1, 1, 1 next2, next3, next5, next7 = BigInt(2), BigInt(3), BigInt(5), BigInt(7) di...
http://rosettacode.org/wiki/Identity_matrix
Identity matrix
Task Build an   identity matrix   of a size known at run-time. An identity matrix is a square matrix of size n × n, where the diagonal elements are all 1s (ones), and all the other elements are all 0s (zeroes). I n = [ 1 0 0 ⋯ 0 0 1 0 ⋯ 0 0 0 1 ⋯ 0 ⋮ ⋮ ⋮ ⋱ ...
#C
C
  #include <stdlib.h> #include <stdio.h> int main(int argc, char** argv) { if (argc < 2) { printf("usage: identitymatrix <number of rows>\n"); exit(EXIT_FAILURE); } int rowsize = atoi(argv[1]); if (rowsize < 0) { printf("Dimensions of matrix cannot be negative\n"); exit(EXIT_FAILURE)...
http://rosettacode.org/wiki/Hunt_the_Wumpus
Hunt the Wumpus
This task has been flagged for clarification. Code on this page in its current state may be flagged incorrect once this task has been clarified. See this page's Talk page for discussion. Create a simple implementation of the classic textual game Hunt The Wumpus. The rules are: The game is set in a cave that consists ...
#Wren
Wren
import "random" for Random import "/fmt" for Fmt import "/ioutil" for Input import "/str" for Str   var cave = { 1: [ 2, 3, 4], 2: [ 1, 5, 6], 3: [ 1, 7, 8], 4: [ 1, 9, 10], 5: [ 2, 9, 11], 6: [ 2, 7, 12], 7: [ 3, 6, 13], 8: [ 3, 10, 14], 9: [ 4, 5, 15], 10: [ 4, 8, 16], 11: [ 5, 12...
http://rosettacode.org/wiki/Image_noise
Image noise
Generate a random black and white   320x240   image continuously, showing FPS (frames per second). A sample image
#PureBasic
PureBasic
#filter=0.2 ; Filter parameter for the FPS-calculation #UpdateFreq=100 ; How often to update the FPS-display   OpenWindow(0,400,300,320,240,"PureBasic") Define w=WindowWidth(0), h=WindowHeight(0) Define x, y, T, TOld, FloatingMedium.f, cnt InitSprite() OpenWindowedScreen(WindowID(0),0,0,w,h,1,0,0,#PB_Screen_NoS...
http://rosettacode.org/wiki/Integer_sequence
Integer sequence
Task Create a program that, when run, would display all integers from   1   to   ∞   (or any relevant implementation limit),   in sequence   (i.e.   1, 2, 3, 4, etc)   if given enough time. An example may not be able to reach arbitrarily-large numbers based on implementations limits.   For example, if integer...
#K
K
{`0:"\n",$x+:1;x}/1
http://rosettacode.org/wiki/Integer_sequence
Integer sequence
Task Create a program that, when run, would display all integers from   1   to   ∞   (or any relevant implementation limit),   in sequence   (i.e.   1, 2, 3, 4, etc)   if given enough time. An example may not be able to reach arbitrarily-large numbers based on implementations limits.   For example, if integer...
#Kotlin
Kotlin
import java.math.BigInteger   // version 1.0.5-2   fun main(args: Array<String>) { // print until 2147483647 (0..Int.MAX_VALUE).forEach { println(it) }   // print forever var n = BigInteger.ZERO while (true) { println(n) n += BigInteger.ONE } }
http://rosettacode.org/wiki/Infinity
Infinity
Task Write a function which tests if infinity is supported for floating point numbers (this step should be omitted for languages where the language specification already demands the existence of infinity, e.g. by demanding IEEE numbers), and if so, returns positive infinity.   Otherwise, return the largest possible po...
#Smalltalk
Smalltalk
st> FloatD infinity Inf st> 1.0 / 0.0 Inf
http://rosettacode.org/wiki/Infinity
Infinity
Task Write a function which tests if infinity is supported for floating point numbers (this step should be omitted for languages where the language specification already demands the existence of infinity, e.g. by demanding IEEE numbers), and if so, returns positive infinity.   Otherwise, return the largest possible po...
#Standard_ML
Standard ML
Real.posInf
http://rosettacode.org/wiki/Infinity
Infinity
Task Write a function which tests if infinity is supported for floating point numbers (this step should be omitted for languages where the language specification already demands the existence of infinity, e.g. by demanding IEEE numbers), and if so, returns positive infinity.   Otherwise, return the largest possible po...
#Swift
Swift
let inf = Double.infinity inf.isInfinite //true
http://rosettacode.org/wiki/Infinity
Infinity
Task Write a function which tests if infinity is supported for floating point numbers (this step should be omitted for languages where the language specification already demands the existence of infinity, e.g. by demanding IEEE numbers), and if so, returns positive infinity.   Otherwise, return the largest possible po...
#Tcl
Tcl
package require Tcl 8.5   expr {1.0 / 0} ;# ==> Inf expr {-1.0 / 0} ;# ==> -Inf expr {inf} ;# ==> Inf expr {1 / 0} ;# ==> "divide by zero" error; Inf not part of range of integer division
http://rosettacode.org/wiki/Input_loop
Input loop
Input loop is part of Short Circuit's Console Program Basics selection. Task Read from a text stream either word-by-word or line-by-line until the stream runs out of data. The stream will have an unknown amount of data on it.
#Phix
Phix
without js -- (file i/o) procedure process_line_by_line(integer fn) object line while 1 do line = gets(fn) if atom(line) then exit end if -- process the line end while end procedure
http://rosettacode.org/wiki/Input_loop
Input loop
Input loop is part of Short Circuit's Console Program Basics selection. Task Read from a text stream either word-by-word or line-by-line until the stream runs out of data. The stream will have an unknown amount of data on it.
#PHP
PHP
$fh = fopen($filename, 'r'); if ($fh) { while (!feof($fh)) { $line = rtrim(fgets($fh)); # removes trailing newline # process $line } fclose($fh); }
http://rosettacode.org/wiki/Josephus_problem
Josephus problem
Josephus problem is a math puzzle with a grim description: n {\displaystyle n} prisoners are standing on a circle, sequentially numbered from 0 {\displaystyle 0} to n − 1 {\displaystyle n-1} . An executioner walks along the circle, starting from prisoner 0 {\displaystyle 0} , removing eve...
#Rust
Rust
const N: usize = 41; const K: usize = 3; const M: usize = 3; const POSITION: usize = 5;   fn main() { let mut prisoners: Vec<usize> = Vec::new(); let mut executed: Vec<usize> = Vec::new(); for pos in 0..N { prisoners.push(pos); }   let mut to_kill: usize = 0; let mut len: usize = prisone...
http://rosettacode.org/wiki/I_before_E_except_after_C
I before E except after C
The phrase     "I before E, except after C"     is a widely known mnemonic which is supposed to help when spelling English words. Task Using the word list from   http://wiki.puzzlers.org/pub/wordlists/unixdict.txt, check if the two sub-clauses of the phrase are plausible individually:   "I before E when not pre...
#Delphi
Delphi
  program I_before_E_except_after_C;   uses System.SysUtils, System.IOUtils;   function IsOppPlausibleWord(w: string): Boolean; begin if ((not w.Contains('c')) and (w.Contains('ei'))) then exit(True);   if (w.Contains('cie')) then exit(True);   exit(false); end;   function IsPlausibleWord(w: string): Bo...
http://rosettacode.org/wiki/Increment_a_numerical_string
Increment a numerical string
Task Increment a numerical string.
#Elena
Elena
import extensions;   public program() { var s := "12345"; s := (s.toInt() + 1).toString();   console.printLine(s) }
http://rosettacode.org/wiki/Increment_a_numerical_string
Increment a numerical string
Task Increment a numerical string.
#Elixir
Elixir
increment1 = fn n -> to_string(String.to_integer(n) + 1) end # Or piped increment2 = fn n -> n |> String.to_integer |> +1 |> to_string end   increment1.("1") increment2.("100")
http://rosettacode.org/wiki/Integer_comparison
Integer comparison
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#Draco
Draco
proc nonrec main() void: int a, b; write("Please enter two integers: "); read(a, b); if a<b then writeln(a, " < ", b) elif a=b then writeln(a, " = ", b) elif a>b then writeln(a, " > ", b) fi corp
http://rosettacode.org/wiki/Integer_comparison
Integer comparison
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#Dyalect
Dyalect
func compare(a, b) { if a < b { "A is less than B" } else if a > b { "A is more than B" } else { "A equals B" } }
http://rosettacode.org/wiki/Include_a_file
Include a file
Task Demonstrate the language's ability to include source code from other files. See Also Compiler/Simple file inclusion pre processor
#Modula-3
Modula-3
IMPORT IO, Text AS Str; FROM Str IMPORT T
http://rosettacode.org/wiki/Include_a_file
Include a file
Task Demonstrate the language's ability to include source code from other files. See Also Compiler/Simple file inclusion pre processor
#Nanoquery
Nanoquery
import "filename.nq"
http://rosettacode.org/wiki/Include_a_file
Include a file
Task Demonstrate the language's ability to include source code from other files. See Also Compiler/Simple file inclusion pre processor
#Nemerle
Nemerle
using System.Console;
http://rosettacode.org/wiki/IBAN
IBAN
This page uses content from Wikipedia. The original article was at IBAN. The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance) The   International Bank Account Number (IBAN)   is an internationally agree...
#DBL
DBL
; ; Validate IBAN for DBL version 4 by Dario B. ; ; Compile with "dbl -r" to reinitialize all data each time ; the module (main or subroutine) is entered. ; RECORD   J, D5 ISVALID, D1 IBAN, A35,'GB82 WEST 1234 5698 7654 32' , A35,'GB82 TEST 1234 5698 7654 32' , A35,'GR16...
http://rosettacode.org/wiki/Humble_numbers
Humble numbers
Humble numbers are positive integers which have   no   prime factors   >   7. Humble numbers are also called   7-smooth numbers,   and sometimes called   highly composite, although this conflicts with another meaning of   highly composite numbers. Another way to express the above is: humble = 2i × 3j × 5k...
#Kotlin
Kotlin
fun isHumble(i: Int): Boolean { if (i <= 1) return true if (i % 2 == 0) return isHumble(i / 2) if (i % 3 == 0) return isHumble(i / 3) if (i % 5 == 0) return isHumble(i / 5) if (i % 7 == 0) return isHumble(i / 7) return false }   fun main() { val limit: Int = Short.MAX_VALUE.toInt() val h...
http://rosettacode.org/wiki/Identity_matrix
Identity matrix
Task Build an   identity matrix   of a size known at run-time. An identity matrix is a square matrix of size n × n, where the diagonal elements are all 1s (ones), and all the other elements are all 0s (zeroes). I n = [ 1 0 0 ⋯ 0 0 1 0 ⋯ 0 0 0 1 ⋯ 0 ⋮ ⋮ ⋮ ⋱ ...
#C.23
C#
  using System; using System.Linq;   namespace IdentityMatrix { class Program { static void Main(string[] args) { if (args.Length != 1) { Console.WriteLine("Requires exactly one argument"); return; } int n; ...
http://rosettacode.org/wiki/Image_noise
Image noise
Generate a random black and white   320x240   image continuously, showing FPS (frames per second). A sample image
#Python
Python
import time import random import Tkinter import Image, ImageTk # PIL libray   class App(object): def __init__(self, size, root): self.root = root self.root.title("Image Noise Test")   self.img = Image.new("RGB", size) self.label = Tkinter.Label(root) self.label.pack()   ...
http://rosettacode.org/wiki/Integer_sequence
Integer sequence
Task Create a program that, when run, would display all integers from   1   to   ∞   (or any relevant implementation limit),   in sequence   (i.e.   1, 2, 3, 4, etc)   if given enough time. An example may not be able to reach arbitrarily-large numbers based on implementations limits.   For example, if integer...
#Lambdatalk
Lambdatalk
  {def infinite_set {lambda {:i} {if true // will never change then :i {infinite_set {long_add :i 1}} // extends {+ :i 1} else You have reached infinity! }}} // probably never. -> infinite_set   {infinite_set 0} -> 0 1 2 3 ... forever  
http://rosettacode.org/wiki/Integer_sequence
Integer sequence
Task Create a program that, when run, would display all integers from   1   to   ∞   (or any relevant implementation limit),   in sequence   (i.e.   1, 2, 3, 4, etc)   if given enough time. An example may not be able to reach arbitrarily-large numbers based on implementations limits.   For example, if integer...
#Lang5
Lang5
0 do dup . 1 + loop
http://rosettacode.org/wiki/Infinity
Infinity
Task Write a function which tests if infinity is supported for floating point numbers (this step should be omitted for languages where the language specification already demands the existence of infinity, e.g. by demanding IEEE numbers), and if so, returns positive infinity.   Otherwise, return the largest possible po...
#TI-89_BASIC
TI-89 BASIC
http://rosettacode.org/wiki/Infinity
Infinity
Task Write a function which tests if infinity is supported for floating point numbers (this step should be omitted for languages where the language specification already demands the existence of infinity, e.g. by demanding IEEE numbers), and if so, returns positive infinity.   Otherwise, return the largest possible po...
#TorqueScript
TorqueScript
function infinity() { return 1/0; }
http://rosettacode.org/wiki/Infinity
Infinity
Task Write a function which tests if infinity is supported for floating point numbers (this step should be omitted for languages where the language specification already demands the existence of infinity, e.g. by demanding IEEE numbers), and if so, returns positive infinity.   Otherwise, return the largest possible po...
#Trith
Trith
  : inf 1.0 0.0 / ; : -inf inf neg ; : inf? abs inf = ;  
http://rosettacode.org/wiki/Infinity
Infinity
Task Write a function which tests if infinity is supported for floating point numbers (this step should be omitted for languages where the language specification already demands the existence of infinity, e.g. by demanding IEEE numbers), and if so, returns positive infinity.   Otherwise, return the largest possible po...
#Ursa
Ursa
decl double d set d Infinity
http://rosettacode.org/wiki/Input_loop
Input loop
Input loop is part of Short Circuit's Console Program Basics selection. Task Read from a text stream either word-by-word or line-by-line until the stream runs out of data. The stream will have an unknown amount of data on it.
#Picat
Picat
main => Reader = open("file.txt"), while(not at_end_of_stream(Reader)) L = read_line(Reader), println(L) end, close(Reader).
http://rosettacode.org/wiki/Input_loop
Input loop
Input loop is part of Short Circuit's Console Program Basics selection. Task Read from a text stream either word-by-word or line-by-line until the stream runs out of data. The stream will have an unknown amount of data on it.
#PicoLisp
PicoLisp
(in "file.txt" (make (until (eof) (link (line)) ) ) )
http://rosettacode.org/wiki/Input_loop
Input loop
Input loop is part of Short Circuit's Console Program Basics selection. Task Read from a text stream either word-by-word or line-by-line until the stream runs out of data. The stream will have an unknown amount of data on it.
#PL.2FI
PL/I
declare line character (200) varying;   open file (in) title ('/TEXT.DAT,type(text),recsize(200)' ); on endfile (in) stop;   do forever; get file(in) edit (line) (L); put skip list (line); end;
http://rosettacode.org/wiki/Josephus_problem
Josephus problem
Josephus problem is a math puzzle with a grim description: n {\displaystyle n} prisoners are standing on a circle, sequentially numbered from 0 {\displaystyle 0} to n − 1 {\displaystyle n-1} . An executioner walks along the circle, starting from prisoner 0 {\displaystyle 0} , removing eve...
#Scala
Scala
def executed( prisonerCount:Int, step:Int ) = {   val prisoners = ((0 until prisonerCount) map (_.toString)).toList   def behead( dead:Seq[String], alive:Seq[String] )(countOff:Int) : (Seq[String], Seq[String]) = { val group = if( alive.size < countOff ) countOff - alive.size else countOff   (dead ++ alive....
http://rosettacode.org/wiki/I_before_E_except_after_C
I before E except after C
The phrase     "I before E, except after C"     is a widely known mnemonic which is supposed to help when spelling English words. Task Using the word list from   http://wiki.puzzlers.org/pub/wordlists/unixdict.txt, check if the two sub-clauses of the phrase are plausible individually:   "I before E when not pre...
#Draco
Draco
\util.g   /* variables to hold totals for each possibility */ word cie, xie, cei, xei;   /* classify a word and add it to the proper total */ proc nonrec classify(*char w) void: if CharsIndex(w, "ie") /= -1 then if CharsIndex(w, "cie") /= -1 then cie := cie + 1 else xie := xie + 1 ...
http://rosettacode.org/wiki/Increment_a_numerical_string
Increment a numerical string
Task Increment a numerical string.
#Emacs_Lisp
Emacs Lisp
(1+ (string-to-number "12345"))
http://rosettacode.org/wiki/Increment_a_numerical_string
Increment a numerical string
Task Increment a numerical string.
#Erlang
Erlang
integer_to_list(list_to_integer("1336")+1).
http://rosettacode.org/wiki/Integer_comparison
Integer comparison
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#E
E
def compare(a :int, b :int) { println(if (a < b) { `$a < $b` } \ else if (a <=> b) { `$a = $b` } \ else if (a > b) { `$a > $b` } \ else { `You're calling that an integer?` }) }
http://rosettacode.org/wiki/Include_a_file
Include a file
Task Demonstrate the language's ability to include source code from other files. See Also Compiler/Simple file inclusion pre processor
#NewLISP
NewLISP
;; local file (load "file.lsp")   ;; URLs (both http:// and file:// URLs are supported) (load "http://www.newlisp.org/code/modules/ftp.lsp")
http://rosettacode.org/wiki/IBAN
IBAN
This page uses content from Wikipedia. The original article was at IBAN. The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance) The   International Bank Account Number (IBAN)   is an internationally agree...
#Elixir
Elixir
defmodule IBAN do @len %{ AL: 28, AD: 24, AT: 20, AZ: 28, BE: 16, BH: 22, BA: 20, BR: 29, BG: 22, CR: 21, HR: 21, CY: 28, CZ: 24, DK: 18, DO: 28, EE: 20, FO: 18, FI: 18, FR: 27, GE: 22, DE: 22, GI: 23, GR: 27, GL: 18, GT: 28, HU: 28, IS: 26, IE: 22, IL: 23, IT: 27, KZ: 20, KW: 30, ...
http://rosettacode.org/wiki/Humble_numbers
Humble numbers
Humble numbers are positive integers which have   no   prime factors   >   7. Humble numbers are also called   7-smooth numbers,   and sometimes called   highly composite, although this conflicts with another meaning of   highly composite numbers. Another way to express the above is: humble = 2i × 3j × 5k...
#Lua
Lua
function isHumble(n) local n2 = math.floor(n)   if n2 <= 1 then return true end if n2 % 2 == 0 then return isHumble(n2 / 2) end if n2 % 3 == 0 then return isHumble(n2 / 3) end if n2 % 5 == 0 then return isHumble(n2 / 5) end if n2 % 7 == 0 then ...
http://rosettacode.org/wiki/Identity_matrix
Identity matrix
Task Build an   identity matrix   of a size known at run-time. An identity matrix is a square matrix of size n × n, where the diagonal elements are all 1s (ones), and all the other elements are all 0s (zeroes). I n = [ 1 0 0 ⋯ 0 0 1 0 ⋯ 0 0 0 1 ⋯ 0 ⋮ ⋮ ⋮ ⋱ ...
#C.2B.2B
C++
template<class T> class matrix { public: matrix( unsigned int nSize ) : m_oData(nSize * nSize, 0), m_nSize(nSize) {}   inline T& operator()(unsigned int x, unsigned int y) { return m_oData[x+m_nSize*y]; }   void identity() { int nCount = 0; int nStr...
http://rosettacode.org/wiki/Image_noise
Image noise
Generate a random black and white   320x240   image continuously, showing FPS (frames per second). A sample image
#Racket
Racket
  #lang racket (require 2htdp/image 2htdp/universe)   (define black (color 0 0 0 255)) (define white (color 255 255 255 255))   (define-struct world (last fps))   (define (noise w h) (color-list->bitmap (for*/list ([x (in-range w)] [y (in-range h)]) (if (zero? (random 2)) black white)) w h))   (defin...
http://rosettacode.org/wiki/Image_noise
Image noise
Generate a random black and white   320x240   image continuously, showing FPS (frames per second). A sample image
#Raku
Raku
use NativeCall; use SDL2::Raw;   my int ($w, $h) = 320, 240;   SDL_Init(VIDEO);   my SDL_Window $window = SDL_CreateWindow( "White Noise - Raku", SDL_WINDOWPOS_CENTERED_MASK, SDL_WINDOWPOS_CENTERED_MASK, $w, $h, RESIZABLE );   my SDL_Renderer $renderer = SDL_CreateRenderer( $window, -1, ACCELERATED +| T...
http://rosettacode.org/wiki/Integer_sequence
Integer sequence
Task Create a program that, when run, would display all integers from   1   to   ∞   (or any relevant implementation limit),   in sequence   (i.e.   1, 2, 3, 4, etc)   if given enough time. An example may not be able to reach arbitrarily-large numbers based on implementations limits.   For example, if integer...
#Lasso
Lasso
local(number = 1) while(#number > 0) => {^ #number++ ' ' //#number > 100 ? #number = -2 // uncomment this row if you want to halt the run after proving concept ^}
http://rosettacode.org/wiki/Integer_sequence
Integer sequence
Task Create a program that, when run, would display all integers from   1   to   ∞   (or any relevant implementation limit),   in sequence   (i.e.   1, 2, 3, 4, etc)   if given enough time. An example may not be able to reach arbitrarily-large numbers based on implementations limits.   For example, if integer...
#Liberty_BASIC
Liberty BASIC
while 1 i=i+1 locate 1,1 print i scan wend  
http://rosettacode.org/wiki/Infinity
Infinity
Task Write a function which tests if infinity is supported for floating point numbers (this step should be omitted for languages where the language specification already demands the existence of infinity, e.g. by demanding IEEE numbers), and if so, returns positive infinity.   Otherwise, return the largest possible po...
#Ursala
Ursala
#import flo   infinity = inf!
http://rosettacode.org/wiki/Infinity
Infinity
Task Write a function which tests if infinity is supported for floating point numbers (this step should be omitted for languages where the language specification already demands the existence of infinity, e.g. by demanding IEEE numbers), and if so, returns positive infinity.   Otherwise, return the largest possible po...
#Visual_Basic
Visual Basic
Option Explicit   Private Declare Sub GetMem8 Lib "msvbvm60.dll" _ (ByVal SrcAddr As Long, ByVal TarAddr As Long)   Sub Main() Dim PlusInfinity As Double Dim MinusInfinity As Double Dim IndefiniteNumber As Double On Error Resume Next PlusInfinity = 1 / 0 MinusInfinity = -1 / 0 IndefiniteNumber = 0 / 0...
http://rosettacode.org/wiki/Infinity
Infinity
Task Write a function which tests if infinity is supported for floating point numbers (this step should be omitted for languages where the language specification already demands the existence of infinity, e.g. by demanding IEEE numbers), and if so, returns positive infinity.   Otherwise, return the largest possible po...
#Vlang
Vlang
import math   fn main() { mut x := 1.5 // type of x determined by literal // that this compiles demonstrates that PosInf returns same type as x, // the type specified by the task. x = math.inf(1) println('$x ${math.is_inf(x, 1)}') // demonstrate result }
http://rosettacode.org/wiki/Infinity
Infinity
Task Write a function which tests if infinity is supported for floating point numbers (this step should be omitted for languages where the language specification already demands the existence of infinity, e.g. by demanding IEEE numbers), and if so, returns positive infinity.   Otherwise, return the largest possible po...
#Wren
Wren
var x = 1.5 var y = x / 0 System.print("x = %(x)") System.print("y = %(y)") System.print("'x' is infinite?  %(x.isInfinity)") System.print("'y' is infinite?  %(y.isInfinity)")
http://rosettacode.org/wiki/Input_loop
Input loop
Input loop is part of Short Circuit's Console Program Basics selection. Task Read from a text stream either word-by-word or line-by-line until the stream runs out of data. The stream will have an unknown amount of data on it.
#PowerShell
PowerShell
Get-Content c:\file.txt | ForEach-Object { $_ }
http://rosettacode.org/wiki/Input_loop
Input loop
Input loop is part of Short Circuit's Console Program Basics selection. Task Read from a text stream either word-by-word or line-by-line until the stream runs out of data. The stream will have an unknown amount of data on it.
#PureBasic
PureBasic
If OpenConsole() ; file based line wise If ReadFile(0, "Text.txt") While Eof(0) = 0 Debug ReadString(0) ; each line until eof Wend CloseFile(0) EndIf   ; file based byte wise If ReadFile(1, "Text.bin") While Eof(1) = 0 Debug ReadByte(1) ...
http://rosettacode.org/wiki/Josephus_problem
Josephus problem
Josephus problem is a math puzzle with a grim description: n {\displaystyle n} prisoners are standing on a circle, sequentially numbered from 0 {\displaystyle 0} to n − 1 {\displaystyle n-1} . An executioner walks along the circle, starting from prisoner 0 {\displaystyle 0} , removing eve...
#Seed7
Seed7
$ include "seed7_05.s7i";   const func array integer: executeAllButM (in integer: n, in integer: k, in integer: m) is func result var array integer: prisoners is [0 .. -1] times 0; local var integer: killIdx is 0; var integer: prisonerNum is 0; begin for prisonerNum range 0 to pred(n) do pri...
http://rosettacode.org/wiki/I_before_E_except_after_C
I before E except after C
The phrase     "I before E, except after C"     is a widely known mnemonic which is supposed to help when spelling English words. Task Using the word list from   http://wiki.puzzlers.org/pub/wordlists/unixdict.txt, check if the two sub-clauses of the phrase are plausible individually:   "I before E when not pre...
#Elixir
Elixir
defmodule RC do def task(path) do plausibility_ratio = 2 rules = [ {"I before E when not preceded by C:", "ie", "ei"}, {"E before I when preceded by C:", "cei", "cie"} ] regex = ~r/ie|ei|cie|cei/ counter = File.read!(path) |> countup(regex) Enum.all?(rules, fn {str, x, y} -> nx...
http://rosettacode.org/wiki/Increment_a_numerical_string
Increment a numerical string
Task Increment a numerical string.
#ERRE
ERRE
  .................... s$="12345" s$=STR$(VAL(s$)+1) ....................  
http://rosettacode.org/wiki/Increment_a_numerical_string
Increment a numerical string
Task Increment a numerical string.
#Euphoria
Euphoria
include get.e   function val(sequence s) sequence x x = value(s) return x[2] end function   sequence s   s = "12345" s = sprintf("%d",{val(s)+1})
http://rosettacode.org/wiki/Integer_comparison
Integer comparison
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#EasyLang
EasyLang
a = number input b = number input if a < b print "less" . if a = b print "equal" . if a > b print "greater" .
http://rosettacode.org/wiki/Include_a_file
Include a file
Task Demonstrate the language's ability to include source code from other files. See Also Compiler/Simple file inclusion pre processor
#Nim
Nim
import someModule import strutils except parseInt import strutils as su, sequtils as qu # su.x works import pure/os, "pure/times" # still strutils.x
http://rosettacode.org/wiki/Include_a_file
Include a file
Task Demonstrate the language's ability to include source code from other files. See Also Compiler/Simple file inclusion pre processor
#OASYS_Assembler
OASYS Assembler
#use "some_file.ml"
http://rosettacode.org/wiki/Include_a_file
Include a file
Task Demonstrate the language's ability to include source code from other files. See Also Compiler/Simple file inclusion pre processor
#OCaml
OCaml
#use "some_file.ml"
http://rosettacode.org/wiki/IBAN
IBAN
This page uses content from Wikipedia. The original article was at IBAN. The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance) The   International Bank Account Number (IBAN)   is an internationally agree...
#F.23
F#
open System open System.Text.RegularExpressions   // A little utility to thread a negative test result (Option.None) through a // pipeline of tests let inline (|~>) valOption proc = match valOption with | Some(value) -> proc value | None -> None   [<EntryPoint>] let main argv = let iban = if argv.Length...
http://rosettacode.org/wiki/Humble_numbers
Humble numbers
Humble numbers are positive integers which have   no   prime factors   >   7. Humble numbers are also called   7-smooth numbers,   and sometimes called   highly composite, although this conflicts with another meaning of   highly composite numbers. Another way to express the above is: humble = 2i × 3j × 5k...
#Mathematica.2FWolfram_Language
Mathematica/Wolfram Language
HumbleGenerator[max_] := Sort[Flatten@ParallelTable[ 2^i 3^j 5^k 7^m, {i, 0, Log[2, max]}, {j, 0, Log[3, max/2^i]}, {k, 0, Log[5, max/(2^i 3^j)]}, {m, 0, Log[7, max/(2^i 3^j 5^k)]}]]   {"First 50 Humble Numbers:", HumbleGenerator[120], "\nDigits\[Rule]Count", Rule @@@ Tally[IntegerLength /@ Drop[Humbl...
http://rosettacode.org/wiki/Identity_matrix
Identity matrix
Task Build an   identity matrix   of a size known at run-time. An identity matrix is a square matrix of size n × n, where the diagonal elements are all 1s (ones), and all the other elements are all 0s (zeroes). I n = [ 1 0 0 ⋯ 0 0 1 0 ⋯ 0 0 0 1 ⋯ 0 ⋮ ⋮ ⋮ ⋱ ...
#Clio
Clio
fn identity-matrix n: [0:n] -> * fn i: [0:n] -> * if = i: 1 else: 0   5 -> identity-matrix -> * print
http://rosettacode.org/wiki/Image_noise
Image noise
Generate a random black and white   320x240   image continuously, showing FPS (frames per second). A sample image
#REXX
REXX
/*REXX program times (elapsed) the generation of 100 frames of random black&white image.*/ parse arg sw sd im . /*obtain optional args from the C.L. */ if sw=='' | sw=="," then sw=320 /*SW specified? No, then use default.*/ if sd=='' | sd=="," then sd=240 ...
http://rosettacode.org/wiki/Integer_sequence
Integer sequence
Task Create a program that, when run, would display all integers from   1   to   ∞   (or any relevant implementation limit),   in sequence   (i.e.   1, 2, 3, 4, etc)   if given enough time. An example may not be able to reach arbitrarily-large numbers based on implementations limits.   For example, if integer...
#Limbo
Limbo
implement CountToInfinity;   include "sys.m"; sys: Sys; include "draw.m"; include "ipints.m"; ipints: IPints; IPint: import ipints;   CountToInfinity: module { init: fn(nil: ref Draw->Context, nil: list of string); };   init(nil: ref Draw->Context, nil: list of string) { sys = load Sys Sys->PATH; ipints = load IPin...
http://rosettacode.org/wiki/Integer_sequence
Integer sequence
Task Create a program that, when run, would display all integers from   1   to   ∞   (or any relevant implementation limit),   in sequence   (i.e.   1, 2, 3, 4, etc)   if given enough time. An example may not be able to reach arbitrarily-large numbers based on implementations limits.   For example, if integer...
#Lingo
Lingo
i = 1 repeat while i>0 put i i = i+1 end repeat
http://rosettacode.org/wiki/Infinity
Infinity
Task Write a function which tests if infinity is supported for floating point numbers (this step should be omitted for languages where the language specification already demands the existence of infinity, e.g. by demanding IEEE numbers), and if so, returns positive infinity.   Otherwise, return the largest possible po...
#XPL0
XPL0
int A; real X; [Format(0, 15); \output in scientific notation A:= addr X; \get address of (pointer to) X A(0):= $FFFF_FFFF; \stuff in largest possible value A(1):= $7FEF_FFFF; RlOut(0, X); \display it ]
http://rosettacode.org/wiki/Infinity
Infinity
Task Write a function which tests if infinity is supported for floating point numbers (this step should be omitted for languages where the language specification already demands the existence of infinity, e.g. by demanding IEEE numbers), and if so, returns positive infinity.   Otherwise, return the largest possible po...
#Yabasic
Yabasic
infinity = 1e300*1e300 if str$(infinity) = "inf" print "Infinity"
http://rosettacode.org/wiki/Infinity
Infinity
Task Write a function which tests if infinity is supported for floating point numbers (this step should be omitted for languages where the language specification already demands the existence of infinity, e.g. by demanding IEEE numbers), and if so, returns positive infinity.   Otherwise, return the largest possible po...
#Zig
Zig
const std = @import("std");   const debug = std.debug; const math = std.math;   test "infinity" { const infinite_f16 = math.inf(f16); const infinite_f32 = math.inf(f32); const infinite_f64 = math.inf(f64); const infinite_f128 = math.inf(f128);   // Any other types besides these four floating types a...
http://rosettacode.org/wiki/Infinity
Infinity
Task Write a function which tests if infinity is supported for floating point numbers (this step should be omitted for languages where the language specification already demands the existence of infinity, e.g. by demanding IEEE numbers), and if so, returns positive infinity.   Otherwise, return the largest possible po...
#zkl
zkl
1.5/0