cimport numpy as np
from libc.stdint cimport uint32_t, uint64_t
cdef extern from "numpy/random/bitgen.h":
struct bitgen:
void *state
uint64_t (*next_uint64)(void *st) nogil
uint32_t (*next_uint32)(void *st) nogil
double (*next_double)(void *st) nogil
uint64_t (*next_raw)(void *st) nogil
ctypedef bitgen bitgen_t
from numpy.random._bit_generator cimport BitGenerator, SeedSequence