Randomizer.h

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/*
 * Copyright (C) 2020 Niek Linnenbank
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef __LIB_LIBSTD_RANDOMIZER_H
#define __LIB_LIBSTD_RANDOMIZER_H
 
#include "Types.h"
 
class Randomizer
{
  private:
 
    static const ulong Modulus = 1 << 31;
 
    static const ulong Multiplier = 1103515245;
 
    static const ulong Constant = 12345;
 
  public:
 
    void seed(const ulong value);
 
    ulong next();
 
  private:
 
    static ulong m_value;
};
 
#endif /* __LIB_LIBSTD_RANDOMIZER_H */