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