VLC
4.0.0-dev
include
vlc_rand.h
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/*****************************************************************************
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* vlc_rand.h: RNG
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*****************************************************************************
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* Copyright © 2007 Rémi Denis-Courmont
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*
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* This program is free software; you can redistribute it and/or modify it
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* 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 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, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifndef VLC_RAND_H
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# define VLC_RAND_H
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/**
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* \file
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* This file defined random number generator function in vlc
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*/
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VLC_API
void
vlc_rand_bytes
(
void
*buf,
size_t
len);
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/* Interlocked (but not reproducible) functions for the POSIX PRNG */
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VLC_API
double
vlc_drand48
(
void
)
VLC_USED
;
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VLC_API
long
vlc_lrand48
(
void
)
VLC_USED
;
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VLC_API
long
vlc_mrand48
(
void
)
VLC_USED
;
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#endif
VLC_API
#define VLC_API
Definition:
fourcc_gen.c:31
vlc_common.h
vlc_rand_bytes
VLC_EXPORT void vlc_rand_bytes(void *buf, size_t len)
Definition:
rand.c:28
vlc_lrand48
VLC_EXPORT long vlc_lrand48(void)
PRNG uniformly distributed between 0 and 2^32 - 1.
Definition:
rand.c:77
vlc_drand48
VLC_EXPORT double vlc_drand48(void)
PRNG uniformly distributed between 0.0 and 1.0 with 48-bits precision.
Definition:
rand.c:57
VLC_USED
#define VLC_USED
Definition:
fourcc_gen.c:32
vlc_mrand48
VLC_EXPORT long vlc_mrand48(void)
PRNG uniformly distributed between -2^32 and 2^32 - 1.
Definition:
rand.c:97
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