src/stable/randombasic.cpp


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/*
 * 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.
 */

#include "bu/randombasic.h"

#define a (6364136223846793005ll)
#define c (1442695040888963407ll)

Bu::RandomBasic::RandomBasic( int32_t iSeed ) :
    x( iSeed )
{
}

Bu::RandomBasic::~RandomBasic()
{
}

void Bu::RandomBasic::seed( int32_t iSeed )
{
    x = iSeed;
}

int32_t Bu::RandomBasic::rand()
{
    x = (a*x + c);
    return (int32_t)x;
}