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