/* * Copyright (C) 2007-2023 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_CMWC_H #define BU_RANDOM_CMWC_H #include "bu/randombase.h" namespace Bu { /** * Complimentary Multiply With Carry random number generator. This is a * simpler and faster generator than Mersenne Twister, but uses about as * much memory. Many people think that it may be at least as good as * Mersenne Twister, or better. */ class RandomCmwc : public RandomBase { public: RandomCmwc( int32_t iSeed=0 ); virtual ~RandomCmwc(); virtual void seed( int32_t iSeed ); virtual int32_t rand(); using RandomBase::rand; private: uint32_t *q, c, i; }; }; #endif