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Diffstat (limited to 'numpy/random/_common.pxd')
| -rw-r--r-- | numpy/random/_common.pxd | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/numpy/random/_common.pxd b/numpy/random/_common.pxd new file mode 100644 index 000000000..588f613ae --- /dev/null +++ b/numpy/random/_common.pxd @@ -0,0 +1,104 @@ +#cython: language_level=3 + +from libc.stdint cimport uint32_t, uint64_t, int32_t, int64_t + +import numpy as np +cimport numpy as np + +from numpy.random cimport bitgen_t + +cdef double POISSON_LAM_MAX +cdef double LEGACY_POISSON_LAM_MAX +cdef uint64_t MAXSIZE + +cdef enum ConstraintType: + CONS_NONE + CONS_NON_NEGATIVE + CONS_POSITIVE + CONS_POSITIVE_NOT_NAN + CONS_BOUNDED_0_1 + CONS_BOUNDED_0_1_NOTNAN + CONS_BOUNDED_GT_0_1 + CONS_GT_1 + CONS_GTE_1 + CONS_POISSON + LEGACY_CONS_POISSON + +ctypedef ConstraintType constraint_type + +cdef object benchmark(bitgen_t *bitgen, object lock, Py_ssize_t cnt, object method) +cdef object random_raw(bitgen_t *bitgen, object lock, object size, object output) +cdef object prepare_cffi(bitgen_t *bitgen) +cdef object prepare_ctypes(bitgen_t *bitgen) +cdef int check_constraint(double val, object name, constraint_type cons) except -1 +cdef int check_array_constraint(np.ndarray val, object name, constraint_type cons) except -1 + +cdef extern from "include/aligned_malloc.h": + cdef void *PyArray_realloc_aligned(void *p, size_t n) + cdef void *PyArray_malloc_aligned(size_t n) + cdef void *PyArray_calloc_aligned(size_t n, size_t s) + cdef void PyArray_free_aligned(void *p) + +ctypedef double (*random_double_fill)(bitgen_t *state, np.npy_intp count, double* out) nogil +ctypedef double (*random_double_0)(void *state) nogil +ctypedef double (*random_double_1)(void *state, double a) nogil +ctypedef double (*random_double_2)(void *state, double a, double b) nogil +ctypedef double (*random_double_3)(void *state, double a, double b, double c) nogil + +ctypedef double (*random_float_fill)(bitgen_t *state, np.npy_intp count, float* out) nogil +ctypedef float (*random_float_0)(bitgen_t *state) nogil +ctypedef float (*random_float_1)(bitgen_t *state, float a) nogil + +ctypedef int64_t (*random_uint_0)(void *state) nogil +ctypedef int64_t (*random_uint_d)(void *state, double a) nogil +ctypedef int64_t (*random_uint_dd)(void *state, double a, double b) nogil +ctypedef int64_t (*random_uint_di)(void *state, double a, uint64_t b) nogil +ctypedef int64_t (*random_uint_i)(void *state, int64_t a) nogil +ctypedef int64_t (*random_uint_iii)(void *state, int64_t a, int64_t b, int64_t c) nogil + +ctypedef uint32_t (*random_uint_0_32)(bitgen_t *state) nogil +ctypedef uint32_t (*random_uint_1_i_32)(bitgen_t *state, uint32_t a) nogil + +ctypedef int32_t (*random_int_2_i_32)(bitgen_t *state, int32_t a, int32_t b) nogil +ctypedef int64_t (*random_int_2_i)(bitgen_t *state, int64_t a, int64_t b) nogil + +cdef double kahan_sum(double *darr, np.npy_intp n) + +cdef inline double uint64_to_double(uint64_t rnd) nogil: + return (rnd >> 11) * (1.0 / 9007199254740992.0) + +cdef object double_fill(void *func, bitgen_t *state, object size, object lock, object out) + +cdef object float_fill(void *func, bitgen_t *state, object size, object lock, object out) + +cdef object float_fill_from_double(void *func, bitgen_t *state, object size, object lock, object out) + +cdef object wrap_int(object val, object bits) + +cdef np.ndarray int_to_array(object value, object name, object bits, object uint_size) + +cdef object cont(void *func, void *state, object size, object lock, int narg, + object a, object a_name, constraint_type a_constraint, + object b, object b_name, constraint_type b_constraint, + object c, object c_name, constraint_type c_constraint, + object out) + +cdef object disc(void *func, void *state, object size, object lock, + int narg_double, int narg_int64, + object a, object a_name, constraint_type a_constraint, + object b, object b_name, constraint_type b_constraint, + object c, object c_name, constraint_type c_constraint) + +cdef object cont_f(void *func, bitgen_t *state, object size, object lock, + object a, object a_name, constraint_type a_constraint, + object out) + +cdef object cont_broadcast_3(void *func, void *state, object size, object lock, + np.ndarray a_arr, object a_name, constraint_type a_constraint, + np.ndarray b_arr, object b_name, constraint_type b_constraint, + np.ndarray c_arr, object c_name, constraint_type c_constraint) + +cdef object discrete_broadcast_iii(void *func, void *state, object size, object lock, + np.ndarray a_arr, object a_name, constraint_type a_constraint, + np.ndarray b_arr, object b_name, constraint_type b_constraint, + np.ndarray c_arr, object c_name, constraint_type c_constraint) |