mirror of
https://github.com/outbackdingo/UltraGrid.git
synced 2026-03-21 22:40:30 +00:00
f590145ed3
On POSIX systems, add also clock() to the seed + use as a source also /dev/random if available.
53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
/**
|
|
* @file utils/random.h
|
|
* @author Martin Pulec <martin.pulec@cesnet.cz>
|
|
*/
|
|
/*
|
|
* Copyright (c) 2023 CESNET, z. s. p. o.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, is permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* 3. Neither the name of CESNET nor the names of its contributors may be
|
|
* used to endorse or promote products derived from this software without
|
|
* specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
|
|
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
|
|
* EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
|
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
|
|
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef __cplusplus
|
|
#include <stdint.h>
|
|
#else
|
|
#include <cstdint>
|
|
extern "C" {
|
|
#endif
|
|
|
|
// functions documented at definition
|
|
void ug_rand_init(void);
|
|
uint32_t ug_rand(void);
|
|
double ug_drand(void);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|