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RIOT/sys/random/tinymt32.c
2018-03-16 16:24:05 +01:00

43 lines
836 B
C

/**
* Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup sys_random
* @{
* @file
*
* @brief Glue-code for tinymt32
*
* See https://github.com/MersenneTwister-Lab/TinyMT for details.
*
* @author Kaspar Schleiser <kaspar@schleiser.de>
* @}
*/
#include <stdint.h>
#include <string.h>
#include "tinymt32/tinymt32.h"
static tinymt32_t _random;
void random_init(uint32_t seed)
{
tinymt32_init(&_random, seed);
}
uint32_t random_uint32(void)
{
return tinymt32_generate_uint32(&_random);
}
void random_init_by_array(uint32_t init_key[], int key_length)
{
tinymt32_init_by_array(&_random, init_key, key_length);
}