FreeNOS
random.cpp
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1/*
2 * Copyright (C) 2015 Niek Linnenbank
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18#include <Randomizer.h>
19
20extern C void srandom(unsigned int new_seed)
21{
22 Randomizer rand;
23 rand.seed(new_seed);
24}
25
26extern C long int random(void)
27{
28 Randomizer rand;
29 return rand.next();
30}
Produces random integers using the Linear congruential generator algorithm.
Definition Randomizer.h:37
void seed(const ulong value)
Set a value as the current state.
ulong next()
Get next randomized value.
C long int random(void)
Random number generator.
Definition random.cpp:26
C void srandom(unsigned int new_seed)
Random number generator.
Definition random.cpp:20
#define C
Used to define external C functions.
Definition Macros.h:134