1 // Copyright 2003 "Gilles Degottex"
3 // This file is part of "CppAddons"
5 // "CppAddons" is free software; you can redistribute it and/or modify
6 // it under the terms of the GNU Lesser General Public License as published by
7 // the Free Software Foundation; either version 2.1 of the License, or
8 // (at your option) any later version.
10 // "CppAddons" is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU Lesser General Public License for more details.
15 // You should have received a copy of the GNU Lesser General Public License
16 // along with this program; if not, write to the Free Software
17 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
34 double m_nextNextGaussian;
35 bool m_haveNextNextGaussian;
38 Random(long seed=time(NULL));
40 void setSeed(long seed);
42 static Random s_random;
59 int nextInt(int a, int b)
61 return nextInt()%(b-a) + a;
71 return next() % 2 == 0;
76 return nextInt() / float(M);
81 return nextInt() / double(M);
86 return char(('z' - 'a' + 1) * nextDouble() + 'a');
91 return char(('9' - '0' + 1) * nextDouble() + '0');
94 double nextGaussian();