| from libc.stdint cimport (uint8_t, uint16_t, uint32_t, uint64_t, | |
| int8_t, int16_t, int32_t, int64_t, intptr_t) | |
| import numpy as np | |
| cimport numpy as np | |
| ctypedef np.npy_bool bool_t | |
| from numpy.random cimport bitgen_t | |
| cdef inline uint64_t _gen_mask(uint64_t max_val) noexcept nogil: | |
| """Mask generator for use in bounded random numbers""" | |
| # Smallest bit mask >= max | |
| cdef uint64_t mask = max_val | |
| mask |= mask >> 1 | |
| mask |= mask >> 2 | |
| mask |= mask >> 4 | |
| mask |= mask >> 8 | |
| mask |= mask >> 16 | |
| mask |= mask >> 32 | |
| return mask | |
| cdef object _rand_uint64(object low, object high, object size, bint use_masked, bint closed, bitgen_t *state, object lock) | |
| cdef object _rand_uint32(object low, object high, object size, bint use_masked, bint closed, bitgen_t *state, object lock) | |
| cdef object _rand_uint16(object low, object high, object size, bint use_masked, bint closed, bitgen_t *state, object lock) | |
| cdef object _rand_uint8(object low, object high, object size, bint use_masked, bint closed, bitgen_t *state, object lock) | |
| cdef object _rand_bool(object low, object high, object size, bint use_masked, bint closed, bitgen_t *state, object lock) | |
| cdef object _rand_int64(object low, object high, object size, bint use_masked, bint closed, bitgen_t *state, object lock) | |
| cdef object _rand_int32(object low, object high, object size, bint use_masked, bint closed, bitgen_t *state, object lock) | |
| cdef object _rand_int16(object low, object high, object size, bint use_masked, bint closed, bitgen_t *state, object lock) | |
| cdef object _rand_int8(object low, object high, object size, bint use_masked, bint closed, bitgen_t *state, object lock) | |