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/*
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 *  R : A Computer Language for Statistical Data Analysis
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 *  Copyright (C) 1998-2026    The R Core Team
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 *
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 *  This header file is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU Lesser General Public License as published by
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 *  the Free Software Foundation; either version 2.1 of the License, or
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 *  (at your option) any later version.
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 *
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 *  This file is part of R. R is distributed under the terms of the
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 *  GNU General Public License, either Version 2, June 1991 or Version 3,
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 *  June 2007. See doc/COPYRIGHTS for details of the copyright status of R.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU Lesser General Public License for more details.
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 *
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 *  You should have received a copy of the GNU Lesser General Public License
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 *  along with this program; if not, a copy is available at
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 *  https://www.R-project.org/Licenses/
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 */
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/* Included by R.h: Part of the API. */
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#ifndef R_RANDOM_H
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#define R_RANDOM_H
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#include <R_ext/Boolean.h>
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#ifdef  __cplusplus
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extern "C" {
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#endif
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typedef enum {
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    WICHMANN_HILL,
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    MARSAGLIA_MULTICARRY,
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    SUPER_DUPER,
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    MERSENNE_TWISTER,
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    KNUTH_TAOCP,
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    USER_UNIF,
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    KNUTH_TAOCP2,
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    LECUYER_CMRG
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} RNGtype;
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/* Different kinds of "N(0,1)" generators :*/
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typedef enum {
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    BUGGY_KINDERMAN_RAMAGE,
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    AHRENS_DIETER,
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    BOX_MULLER,
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    USER_NORM,
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    INVERSION,
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    KINDERMAN_RAMAGE
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} N01type;
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/* Different ways to generate discrete uniform samples */
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typedef enum {
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    ROUNDING,
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    REJECTION
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} Sampletype;
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Sampletype R_sample_kind(void);
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/* Different kinds of "Bin(n,p)" generators :*/
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typedef enum {
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    BUGGY_BTPE
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  , BTPE
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  // if you add a new option, update Bin_kind()'s check in RNG.c
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} Binomtype;
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Binomtype R_binom_kind (void);
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void GetRNGstate(void);
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void PutRNGstate(void);
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double unif_rand(void);
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double R_unif_index(double);
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/* These are also defined in Rmath.h */
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double norm_rand(void);
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double exp_rand(void);
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typedef unsigned int Int32;
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double * user_unif_rand(void);
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void user_unif_init(Int32);
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int * user_unif_nseed(void);
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int * user_unif_seedloc(void);
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double * user_norm_rand(void);
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#ifdef  __cplusplus
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}
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#endif
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#endif /* R_RANDOM_H */