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 cdef class BitGenerator(): cdef readonly object _seed_seq cdef readonly object lock cdef bitgen_t _bitgen cdef readonly object _ctypes cdef readonly object _cffi cdef readonly object capsule cdef class SeedSequence(): cdef readonly object entropy cdef readonly tuple spawn_key cdef readonly Py_ssize_t pool_size cdef readonly object pool cdef readonly uint32_t n_children_spawned cdef mix_entropy(self, np.ndarray[np.npy_uint32, ndim=1] mixer, np.ndarray[np.npy_uint32, ndim=1] entropy_array) cdef get_assembled_entropy(self) cdef class SeedlessSequence(): pass