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102 lines
4.0 KiB
C++
102 lines
4.0 KiB
C++
/* boost validate.cpp
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*
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* Copyright Jens Maurer 2000
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* Copyright Steven Watanabe 2010-2011
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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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#include <cmath>
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#include <boost/random.hpp>
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#include <boost/config.hpp>
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#include <boost/test/test_tools.hpp>
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#include <boost/test/included/test_exec_monitor.hpp>
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/*
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* Validate correct implementation
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*/
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template<class PRNG>
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typename PRNG::result_type validation_value()
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{
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PRNG rng;
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for(int i = 0; i < 9999; i++)
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rng();
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return rng();
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}
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int test_main(int, char*[])
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{
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// own run
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BOOST_CHECK_EQUAL(validation_value<boost::mt11213b>(), 3809585648U);
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// validation by experiment from mt19937.c
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BOOST_CHECK_EQUAL(validation_value<boost::mt19937>(), 4123659995U);
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#if !defined(BOOST_NO_INT64_T) && !defined(BOOST_NO_INTEGRAL_INT64_T)
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// validation from the C++0x draft (n3090)
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BOOST_CHECK_EQUAL(validation_value<boost::mt19937_64>(), UINT64_C(9981545732273789042));
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#endif
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// validation values from the publications
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BOOST_CHECK_EQUAL(validation_value<boost::minstd_rand0>(), 1043618065);
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// validation values from the publications
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BOOST_CHECK_EQUAL(validation_value<boost::minstd_rand>(), 399268537);
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#if !defined(BOOST_NO_INT64_T) && !defined(BOOST_NO_INTEGRAL_INT64_T)
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// by experiment from lrand48()
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BOOST_CHECK_EQUAL(validation_value<boost::rand48>(), 1993516219);
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#endif
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// ????
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BOOST_CHECK_EQUAL(validation_value<boost::taus88>(), 3535848941U);
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// ????
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BOOST_CHECK_EQUAL(validation_value<boost::ecuyer1988>(), 2060321752);
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// validation by experiment from Harry Erwin's generator.h (private e-mail)
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BOOST_CHECK_EQUAL(validation_value<boost::kreutzer1986>(), 139726);
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// validation from the C++0x draft (n3090)
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BOOST_CHECK_EQUAL(validation_value<boost::random::knuth_b>(), 1112339016);
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BOOST_CHECK_CLOSE_FRACTION(validation_value<boost::lagged_fibonacci607>(), 0.401269, 1e-5);
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// principal operation validated with CLHEP, values by experiment
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BOOST_CHECK_EQUAL(validation_value<boost::ranlux3>(), 5957620);
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BOOST_CHECK_EQUAL(validation_value<boost::ranlux4>(), 8587295);
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BOOST_CHECK_CLOSE_FRACTION(validation_value<boost::ranlux3_01>(), 5957620/std::pow(2.0f,24), 1e-6);
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BOOST_CHECK_CLOSE_FRACTION(validation_value<boost::ranlux4_01>(), 8587295/std::pow(2.0f,24), 1e-6);
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BOOST_CHECK_CLOSE_FRACTION(validation_value<boost::ranlux64_3_01>(), 0.838413, 1e-6);
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BOOST_CHECK_CLOSE_FRACTION(validation_value<boost::ranlux64_4_01>(), 0.59839, 1e-6);
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BOOST_CHECK_EQUAL(validation_value<boost::random::ranlux24>(), 9901578);
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#if !defined(BOOST_NO_INT64_T) && !defined(BOOST_NO_INTEGRAL_INT64_T)
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BOOST_CHECK_EQUAL(validation_value<boost::random::ranlux48>(), UINT64_C(249142670248501));
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#endif
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BOOST_CHECK_CLOSE_FRACTION(validation_value<boost::lagged_fibonacci607>(), 0.40126853196520074, 1e-14);
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BOOST_CHECK_CLOSE_FRACTION(validation_value<boost::lagged_fibonacci1279>(), 0.56576990947654049, 1e-14);
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BOOST_CHECK_CLOSE_FRACTION(validation_value<boost::lagged_fibonacci2281>(), 0.85870032418398168, 1e-14);
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BOOST_CHECK_CLOSE_FRACTION(validation_value<boost::lagged_fibonacci3217>(), 0.29923216793615537, 1e-14);
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BOOST_CHECK_CLOSE_FRACTION(validation_value<boost::lagged_fibonacci4423>(), 0.39798595467394815, 1e-14);
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BOOST_CHECK_CLOSE_FRACTION(validation_value<boost::lagged_fibonacci9689>(), 0.22728966337376244, 1e-14);
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BOOST_CHECK_CLOSE_FRACTION(validation_value<boost::lagged_fibonacci19937>(), 0.21779661133680173, 1e-14);
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BOOST_CHECK_CLOSE_FRACTION(validation_value<boost::lagged_fibonacci23209>(), 0.98718042717052668, 1e-14);
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BOOST_CHECK_CLOSE_FRACTION(validation_value<boost::lagged_fibonacci44497>(), 0.86191789886161496, 1e-14);
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typedef boost::random::lagged_fibonacci_engine<boost::uint32_t, 24, 607, 273> lagged_fibonacci;
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BOOST_CHECK_EQUAL(validation_value<lagged_fibonacci>(), 3543833);
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return 0;
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}
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