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/* haertel.hpp file
*
* Copyright Jens Maurer 2000, 2002
* Distributed under the Boost Software License, Version 1.0. (See
* accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*
* $Id$
*
* Revision history
*/
#include <string>
#include <iostream>
#include <boost/format.hpp>
#include "haertel.hpp"
#define BOOST_TEST_MAIN
#include <boost/test/included/unit_test.hpp>
template<class Gen, class T>
inline void check_validation(Gen & gen, T value, const std::string & name)
{
for(int i = 0; i < 100000-1; ++i)
gen();
typename Gen::result_type actual = gen();
BOOST_CHECK_MESSAGE(value == actual,
boost::str(boost::format("%s: check value == gen() failed [%d != %d]") %
name % value % actual));
}
// we have validation after 100000 steps with Haertel's generators
template<class Gen, class T>
void validate(T value, const std::string & name)
{
Gen gen(1234567);
check_validation(gen, value, name);
}
BOOST_AUTO_TEST_CASE(test_haertel)
{
using namespace Haertel;
validate<LCG_Af2>(183269031u, "LCG_Af2");
validate<LCG_Die1>(522319944u, "LCG_Die1");
validate<LCG_Fis>(-2065162233u, "LCG_Fis");
validate<LCG_FM>(581815473u, "LCG_FM");
validate<LCG_Hae>(28931709, "LCG_Hae");
validate<LCG_VAX>(1508154087u, "LCG_VAX");
validate<NLG_Inv2>(6666884, "NLG_Inv2");
validate<NLG_Inv4>(1521640076, "NLG_Inv4");
validate<NLG_Inv5>(641840839, "NLG_Inv5");
static const int acorn7_init[]
= { 1234567, 7654321, 246810, 108642, 13579, 97531, 555555 };
MRG_Acorn7 acorn7(acorn7_init);
check_validation(acorn7, 874294697, "MRG_Acorn7");
// This currently fails. I don't want to touch it until
// I trace the source of this generator. --SJW
validate<MRG_Fib2>(1234567u, "MRG_Fib2");
}
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