# BasicRandomNumberGenerator.h

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    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