| ################################################################################ | |
| # Includes | |
| from ..utils._typedefs cimport intp_t | |
| cdef extern from "_svm_cython_blas_helpers.h": | |
| ctypedef double (*dot_func)(int, const double*, int, const double*, int) | |
| cdef struct BlasFunctions: | |
| dot_func dot | |
| cdef extern from "svm.h": | |
| cdef struct svm_node | |
| cdef struct svm_model | |
| cdef struct svm_parameter: | |
| int svm_type | |
| int kernel_type | |
| int degree # for poly | |
| double gamma # for poly/rbf/sigmoid | |
| double coef0 # for poly/sigmoid | |
| # these are for training only | |
| double cache_size # in MB | |
| double eps # stopping criteria | |
| double C # for C_SVC, EPSILON_SVR and NU_SVR | |
| int nr_weight # for C_SVC | |
| int *weight_label # for C_SVC | |
| double* weight # for C_SVC | |
| double nu # for NU_SVC, ONE_CLASS, and NU_SVR | |
| double p # for EPSILON_SVR | |
| int shrinking # use the shrinking heuristics | |
| int probability # do probability estimates | |
| int max_iter # ceiling on Solver runtime | |
| int random_seed # seed for random generator in probability estimation | |
| cdef struct svm_problem: | |
| int l | |
| double *y | |
| svm_node *x | |
| double *W # instance weights | |
| char *svm_check_parameter(svm_problem *, svm_parameter *) | |
| svm_model *svm_train(svm_problem *, svm_parameter *, int *, BlasFunctions *) nogil | |
| void svm_free_and_destroy_model(svm_model** model_ptr_ptr) | |
| void svm_cross_validation(svm_problem *, svm_parameter *, int nr_fold, double *target, BlasFunctions *) nogil | |
| cdef extern from "libsvm_helper.c": | |
| # this file contains methods for accessing libsvm 'hidden' fields | |
| svm_node **dense_to_sparse (char *, intp_t *) | |
| void set_parameter (svm_parameter *, int , int , int , double, double , | |
| double , double , double , double, | |
| double, int, int, int, char *, char *, int, | |
| int) | |
| void set_problem (svm_problem *, char *, char *, char *, intp_t *, int) | |
| svm_model *set_model (svm_parameter *, int, char *, intp_t *, | |
| char *, intp_t *, intp_t *, char *, | |
| char *, char *, char *, char *) | |
| void copy_sv_coef (char *, svm_model *) | |
| void copy_n_iter (char *, svm_model *) | |
| void copy_intercept (char *, svm_model *, intp_t *) | |
| void copy_SV (char *, svm_model *, intp_t *) | |
| int copy_support (char *data, svm_model *model) | |
| int copy_predict (char *, svm_model *, intp_t *, char *, BlasFunctions *) nogil | |
| int copy_predict_proba (char *, svm_model *, intp_t *, char *, BlasFunctions *) nogil | |
| int copy_predict_values(char *, svm_model *, intp_t *, char *, int, BlasFunctions *) nogil | |
| void copy_nSV (char *, svm_model *) | |
| void copy_probA (char *, svm_model *, intp_t *) | |
| void copy_probB (char *, svm_model *, intp_t *) | |
| intp_t get_l (svm_model *) | |
| intp_t get_nr (svm_model *) | |
| int free_problem (svm_problem *) | |
| int free_model (svm_model *) | |
| void set_verbosity(int) | |