pseudorandom.h

/*
 * vim: ts=4 sw=4 et tw=0 wm=0
 *
 * libcola - A library providing force-directed network layout using the 
 *           stress-majorization method subject to separation constraints.
 *
 * Copyright (C) 2015  Monash University
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * See the file LICENSE.LGPL distributed with the library.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * Author(s):  Tim Dwyer
*/

#ifndef COLA_PSEUDORANDOM_H
#define COLA_PSEUDORANDOM_H

namespace cola {

class PseudoRandom 
{
public:
    PseudoRandom(double s = 1);

    double getNext(void);
    double getNextBetween(double min, double max);

private:
    int a;
    int c;
    unsigned int m;
    double range;
    unsigned int seed;
};
     
}
#endif // COLA_PSEUDORANDOM_H