mirror of
https://github.com/PiBrewing/craftbeerpi4.git
synced 2024-11-30 10:44:14 +01:00
29 lines
1.6 KiB
Cython
29 lines
1.6 KiB
Cython
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) 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)
|