ctypedef double (*callback_type)(double, void*)
ctypedef struct zeros_parameters:
callback_type function
void* args
ctypedef struct zeros_full_output:
int funcalls
int iterations
int error_num
double root
cdef double bisect(callback_type f, double xa, double xb, void* args,
double xtol, double rtol, int iter,
zeros_full_output *full_output) nogil
cdef double ridder(callback_type f, double xa, double xb, void* args,
double xtol, double rtol, int iter,
zeros_full_output *full_output) nogil
cdef double brenth(callback_type f, double xa, double xb, void* args,
double xtol, double rtol, int iter,
zeros_full_output *full_output) nogil
cdef double brentq(callback_type f, double xa, double xb, void* args,
double xtol, double rtol, int iter,
zeros_full_output *full_output) nogil