1
2 /* "Species" - a CoreWars evolver. Copyright (C) 2003 'Varfar'
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by the Free
6 * Software Foundation; either version 1, or (at your option) any later
7 * version.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 675 Mass Ave, Cambridge, MA 02139, USA.
17 */
18
19 #include "rand.hpp"
20
21 #include "randomc.h" // random number generator(s)
22 #include <time.h>
23
24 namespace { // anon
25
26 TRandomMersenne rnd(time(0));
27
28 } // anon namespace
29
30 /**** CRand class implementation ********************/
31
32 /* random generators return a (0 >= value < max) */
33
frand(const float max)34 float CRand::frand(const float max) {
35 return rnd.Random() * max;
36 }
37
irand(const int max)38 int CRand::irand(const int max) {
39 return rnd.IRandom(0,max-1);
40 }
41