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/*
* Copyright (C) 2007-2012 Xagasoft, All rights reserved.
*
* This file is part of the libbu++ library and is released under the
* terms of the license contained in the file LICENSE.
*/
#ifndef BU_RANDOM_BASIC_H
#define BU_RANDOM_BASIC_H
#include "bu/randombase.h"
namespace Bu
{
/**
* Basic Linear Congruential Generator. This is one of the simplest and
* most common pseudo-random number generators out there. It's simple,
* fast, and does a decent job if you don't have any stastistical
* requirements other than "random looking." This is the algorithm included
* as the default random number generator in most standard libraries,
* although this one uses larger numbers internally, has a longer period,
* and more even distrubition of randomness accross it's bits than most
* implementations.
*
* The base values were published by Donald Knuth.
*/
class RandomBasic : public RandomBase
{
public:
RandomBasic( int32_t iSeed=0 );
virtual ~RandomBasic();
virtual void seed( int32_t iSeed );
virtual int32_t rand();
private:
int64_t x;
};
};
#endif
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