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cimport numpy as np
cdef extern from "src/liblinear/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) 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 "src/liblinear/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 *, char *, np.npy_intp *, double, char *)
problem *csr_set_problem (char *values, np.npy_intp *n_indices,
char *indices, np.npy_intp *n_indptr, char *indptr, char *Y,
np.npy_intp n_features, double bias, char *)
model *set_model(parameter *, char *, np.npy_intp *, char *, double)
double get_bias(model *)
void free_problem (problem *)
void free_parameter (parameter *)
void set_verbosity(int)
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