#!python #cython: wraparound=False, nonecheck=False, boundscheck=False, cdivision=True, language_level=3 from numpy cimport npy_intp from libc.stdint cimport (uint64_t, int32_t, int64_t) from numpy.random cimport bitgen_t cdef extern from "numpy/random/distributions.h": struct s_binomial_t: int has_binomial double psave int64_t nsave double r double q double fm int64_t m double p1 double xm double xl double xr double c double laml double lamr double p2 double p3 double p4 ctypedef s_binomial_t binomial_t float random_standard_uniform_f(bitgen_t *bitgen_state) nogil double random_standard_uniform(bitgen_t *bitgen_state) nogil void random_standard_uniform_fill(bitgen_t* bitgen_state, npy_intp cnt, double *out) nogil void random_standard_uniform_fill_f(bitgen_t *bitgen_state, npy_intp cnt, float *out) nogil double random_standard_exponential(bitgen_t *bitgen_state) nogil float random_standard_exponential_f(bitgen_t *bitgen_state) nogil void random_standard_exponential_fill(bitgen_t *bitgen_state, npy_intp cnt, double *out) nogil void random_standard_exponential_fill_f(bitgen_t *bitgen_state, npy_intp cnt, float *out) nogil void random_standard_exponential_inv_fill(bitgen_t *bitgen_state, npy_intp cnt, double *out) nogil void random_standard_exponential_inv_fill_f(bitgen_t *bitgen_state, npy_intp cnt, float *out) nogil double random_standard_normal(bitgen_t* bitgen_state) nogil float random_standard_normal_f(bitgen_t *bitgen_state) nogil void random_standard_normal_fill(bitgen_t *bitgen_state, npy_intp count, double *out) nogil void random_standard_normal_fill_f(bitgen_t *bitgen_state, npy_intp count, float *out) nogil double random_standard_gamma(bitgen_t *bitgen_state, double shape) nogil float random_standard_gamma_f(bitgen_t *bitgen_state, float shape) nogil float random_standard_uniform_f(bitgen_t *bitgen_state) nogil void random_standard_uniform_fill_f(bitgen_t* bitgen_state, npy_intp cnt, float *out) nogil float random_standard_normal_f(bitgen_t* bitgen_state) nogil float random_standard_gamma_f(bitgen_t *bitgen_state, float shape) nogil int64_t random_positive_int64(bitgen_t *bitgen_state) nogil int32_t random_positive_int32(bitgen_t *bitgen_state) nogil int64_t random_positive_int(bitgen_t *bitgen_state) nogil uint64_t random_uint(bitgen_t *bitgen_state) nogil double random_normal(bitgen_t *bitgen_state, double loc, double scale) nogil double random_gamma(bitgen_t *bitgen_state, double shape, double scale) nogil float random_gamma_f(bitgen_t *bitgen_state, float shape, float scale) nogil double random_exponential(bitgen_t *bitgen_state, double scale) nogil double random_uniform(bitgen_t *bitgen_state, double lower, double range) nogil double random_beta(bitgen_t *bitgen_state, double a, double b) nogil double random_chisquare(bitgen_t *bitgen_state, double df) nogil double random_f(bitgen_t *bitgen_state, double dfnum, double dfden) nogil double random_standard_cauchy(bitgen_t *bitgen_state) nogil double random_pareto(bitgen_t *bitgen_state, double a) nogil double random_weibull(bitgen_t *bitgen_state, double a) nogil double random_power(bitgen_t *bitgen_state, double a) nogil double random_laplace(bitgen_t *bitgen_state, double loc, double scale) nogil double random_gumbel(bitgen_t *bitgen_state, double loc, double scale) nogil double random_logistic(bitgen_t *bitgen_state, double loc, double scale) nogil double random_lognormal(bitgen_t *bitgen_state, double mean, double sigma) nogil double random_rayleigh(bitgen_t *bitgen_state, double mode) nogil double random_standard_t(bitgen_t *bitgen_state, double df) nogil double random_noncentral_chisquare(bitgen_t *bitgen_state, double df, double nonc) nogil double random_noncentral_f(bitgen_t *bitgen_state, double dfnum, double dfden, double nonc) nogil double random_wald(bitgen_t *bitgen_state, double mean, double scale) nogil double random_vonmises(bitgen_t *bitgen_state, double mu, double kappa) nogil double random_triangular(bitgen_t *bitgen_state, double left, double mode, double right) nogil int64_t random_poisson(bitgen_t *bitgen_state, double lam) nogil int64_t random_negative_binomial(bitgen_t *bitgen_state, double n, double p) nogil int64_t random_binomial(bitgen_t *bitgen_state, double p, int64_t n, binomial_t *binomial) nogil int64_t random_logseries(bitgen_t *bitgen_state, double p) nogil int64_t random_geometric_search(bitgen_t *bitgen_state, double p) nogil int64_t random_geometric_inversion(bitgen_t *bitgen_state, double p) nogil int64_t random_geometric(bitgen_t *bitgen_state, double p) nogil int64_t random_zipf(bitgen_t *bitgen_state, double a) nogil int64_t random_hypergeometric(bitgen_t *bitgen_state, int64_t good, int64_t bad, int64_t sample) nogil uint64_t random_interval(bitgen_t *bitgen_state, uint64_t max) nogil # Generate random uint64 numbers in closed interval [off, off + rng]. uint64_t random_bounded_uint64(bitgen_t *bitgen_state, uint64_t off, uint64_t rng, uint64_t mask, bint use_masked) nogil void random_multinomial(bitgen_t *bitgen_state, int64_t n, int64_t *mnix, double *pix, npy_intp d, binomial_t *binomial) nogil int random_multivariate_hypergeometric_count(bitgen_t *bitgen_state, int64_t total, size_t num_colors, int64_t *colors, int64_t nsample, size_t num_variates, int64_t *variates) nogil void random_multivariate_hypergeometric_marginals(bitgen_t *bitgen_state, int64_t total, size_t num_colors, int64_t *colors, int64_t nsample, size_t num_variates, int64_t *variates) nogil