sidrandom.h
/*
* This file is part of libsidplayfp, a SID player engine.
*
* Copyright 2012-2013 Leandro Nini <drfiemost@users.sourceforge.net>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef SIDRANDOM_H
#define SIDRANDOM_H
namespace libsidplayfp
{
class sidrandom
{
private:
unsigned int m_seed;
public:
sidrandom(unsigned int seed) :
m_seed(seed * 1103515245 + 12345) {}
unsigned int next()
{
m_seed = m_seed * 13 + 1;
return m_seed;
}
};
}
#endif
libsidplayfp::sidrandom
Definition: sidrandom.h:31
libsidplayfp::sidrandom::sidrandom
sidrandom(unsigned int seed)
Definition: sidrandom.h:41
libsidplayfp::sidrandom::next
unsigned int next()
Definition: sidrandom.h:47