rrand.h

Go to the documentation of this file.

/* RLIB - Convenience library for useful things
 * Copyright (C) 2015-2016  Haakon Sporsheim <haakon.sporsheim@gmail.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3.0 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library.
 * See the COPYING file at the root of the source repository.
 */
#ifndef __R_RAND_H__
#define __R_RAND_H__
 
#if !defined(__RLIB_H_INCLUDE_GUARD__) && !defined(RLIB_COMPILATION)
#error "#include <rlib.h> only please."
#endif
 
#include <rlib/rtypes.h>
#include <rlib/rref.h>
#include <stdlib.h>
 
R_BEGIN_DECLS
 
R_API rboolean r_rand_entropy_fill (ruint8 * buf, rsize size);
R_API ruint64 r_rand_entropy_u64 (void);
R_API ruint32 r_rand_entropy_u32 (void);
 
#define r_rand_std_srand(seed)    srand (seed)
#define r_rand_std_rand()         rand ()
 
typedef struct RPrng RPrng;
 
#define r_rand_prng_new           r_prng_new_kiss
#define r_prng_ref                r_ref_ref
#define r_prng_unref              r_ref_unref
 
R_API ruint64 r_prng_get_u64 (RPrng * prng);
R_API rboolean r_prng_fill (RPrng * prng, ruint8 * buf, rsize size);
R_API rboolean r_prng_fill_nonzero (RPrng * prng, ruint8 * buf, rsize size);
R_API rboolean r_prng_fill_base64 (RPrng * prng, rchar * buf, rsize size);
 
 
R_API RPrng * r_prng_new_crypto (void) R_ATTR_MALLOC;
R_API RPrng * r_prng_new_system (void) R_ATTR_MALLOC;
R_API RPrng * r_prng_new_kiss (void) R_ATTR_MALLOC;
R_API RPrng * r_prng_new_kiss_with_seed (ruint64 x, ruint64 y, ruint64 z,
    ruint64 c) R_ATTR_MALLOC;
R_API RPrng * r_prng_new_mt (void) R_ATTR_MALLOC;
R_API RPrng * r_prng_new_mt_with_seed (ruint64 seed) R_ATTR_MALLOC;
R_API RPrng * r_prng_new_mt_with_seed_array (const ruint64 * array,
    rsize size) R_ATTR_MALLOC;
R_END_DECLS
 
#endif /* __R_RAND_H__ */