00001 /*******************************************************************\ 00002 00003 Copyright (C) 2004 Joseph Coffland 00004 00005 This program is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU General Public License 00007 as published by the Free Software Foundation; either version 2 00008 of the License, or (at your option) any later version. 00009 00010 This program is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 GNU General Public License for more details. 00014 00015 You should have received a copy of the GNU General Public License 00016 along with this program; if not, write to the Free Software 00017 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 00018 02111-1307, USA. 00019 00020 For information regarding this software email 00021 jcofflan@users.sourceforge.net 00022 00023 \*******************************************************************/ 00024 #ifndef BASICRANDOMNUMBERGENERATOR_H 00025 #define BASICRANDOMNUMBERGENERATOR_H 00026 00027 #include <stdlib.h> 00028 00032 class BasicRandomNumberGenerator { 00033 static BasicRandomNumberGenerator *singleton; 00034 00035 unsigned int seed; 00036 int bitBuf; 00037 unsigned int bits; 00038 00039 public: 00040 BasicRandomNumberGenerator() : seed(1), bits(0) {} 00041 00048 static BasicRandomNumberGenerator *getInstance(); 00049 00054 void setSeed(const unsigned int seed); 00055 00059 unsigned int getSeed() {return seed;} 00060 00066 bool getBool(); 00067 00074 long getInteger(const long min = 0, const long max = RAND_MAX); 00075 00079 double getRatio(); 00080 00081 protected: 00082 virtual ~BasicRandomNumberGenerator() {} 00083 }; 00084 00085 #endif // BASICRANDOMNUMBERGENERATOR_H