codekingpro/portable-devtools

1cimport numpy as np
2from libc.stdint cimport uint32_t, uint64_t
3
4cdef extern from "numpy/random/bitgen.h":
5    struct bitgen:
6        void *state
7        uint64_t (*next_uint64)(void *st) nogil
8        uint32_t (*next_uint32)(void *st) nogil
9        double (*next_double)(void *st) nogil
10        uint64_t (*next_raw)(void *st) nogil
11
12    ctypedef bitgen bitgen_t
13
14cdef class BitGenerator():
15    cdef readonly object _seed_seq
16    cdef readonly object lock
17    cdef bitgen_t _bitgen
18    cdef readonly object _ctypes
19    cdef readonly object _cffi
20    cdef readonly object capsule
21
22
23cdef class SeedSequence():
24    cdef readonly object entropy
25    cdef readonly tuple spawn_key
26    cdef readonly Py_ssize_t pool_size
27    cdef readonly object pool
28    cdef readonly uint32_t n_children_spawned
29
30    cdef mix_entropy(self, np.ndarray[np.npy_uint32, ndim=1] mixer,
31                     np.ndarray[np.npy_uint32, ndim=1] entropy_array)
32    cdef get_assembled_entropy(self)
33
34cdef class SeedlessSeedSequence:
35    pass
36
37# NOTE: This has no implementation and should not be used. It purely exists for
38# backwards compatibility, see https://github.com/scipy/scipy/issues/24215.
39cdef class SeedlessSequence:
40    pass
41