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from ..utils._typedefs cimport intp_t
cdef extern from "_cython_blas_helpers.h":
ctypedef double (*dot_func)(int, const double*, int, const double*, int)
ctypedef void (*axpy_func)(int, double, const double*, int, double*, int)
ctypedef void (*scal_func)(int, double, const double*, int)
ctypedef double (*nrm2_func)(int, const double*, int)
cdef struct BlasFunctions:
dot_func dot
axpy_func axpy
scal_func scal
nrm2_func nrm2
cdef extern from "linear.h":
cdef struct feature_node
cdef struct problem
cdef struct model
cdef struct parameter
ctypedef problem* problem_const_ptr "problem const *"
ctypedef parameter* parameter_const_ptr "parameter const *"
ctypedef char* char_const_ptr "char const *"
char_const_ptr check_parameter(problem_const_ptr prob, parameter_const_ptr param)
model *train(problem_const_ptr prob, parameter_const_ptr param, BlasFunctions *blas_functions) nogil
int get_nr_feature (model *model)
int get_nr_class (model *model)
void get_n_iter (model *model, int *n_iter)
void free_and_destroy_model (model **)
void destroy_param (parameter *)
cdef extern from "liblinear_helper.c":
void copy_w(void *, model *, int)
parameter *set_parameter(int, double, double, int, char *, char *, int, int, double)
problem *set_problem (char *, int, int, int, int, double, char *, char *)
problem *csr_set_problem (char *, int, char *, char *, int, int, int, double, char *, char *)
model *set_model(parameter *, char *, intp_t *, char *, double)
double get_bias(model *)
void free_problem (problem *)
void free_parameter (parameter *)
void set_verbosity(int)
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