53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
/* test_mixmax.cpp
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*
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* Copyright Kostas Savvidis 2019
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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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*/
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#include <boost/random/mixmax.hpp>
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#include <cmath>
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#define BOOST_RANDOM_URNG boost::random::mixmax
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#define BOOST_RANDOM_SEED_WORDS 4
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//#define BOOST_RANDOM_VALIDATION_VALUE 1U
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#define BOOST_RANDOM_SEED_SEQ_VALIDATION_VALUE 48757672604362303ULL
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#define BOOST_RANDOM_ITERATOR_VALIDATION_VALUE 3802490769389764ULL
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// 10000th invocation of MIXMAX with N=17, with default constructor should give:
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#define BOOST_RANDOM_VALIDATION_VALUE UINT64_C(1842572666014501720)
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#define BOOST_RANDOM_GENERATE_VALUES { 3132207748, 2861541672, 3191701354, 4046050275 }
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#include "test_generator.ipp"
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struct seed_seq_0 {
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template<class It>
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void generate(It begin, It end) const {
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std::fill(begin, end, boost::uint32_t(0xFFFFFFFF));
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}
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};
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BOOST_AUTO_TEST_CASE(test_special_seed) {
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{
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seed_seq_0 seed;
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std::vector<boost::uint32_t> vec(17);
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seed.generate(vec.begin(), vec.end()); // fill vec with ones
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std::vector<boost::uint32_t>::iterator it = vec.begin();
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boost::random::mixmax gen1(it, vec.end()); // init gen1 with vec iterator
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BOOST_CHECK_EQUAL(gen1(), 775778250716139533ULL);
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BOOST_CHECK_EQUAL(gen1(), 846264592759195742ULL);
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boost::random::mixmax gen2(seed); // init gen2 with seeq_seq, should be the same as gen1!
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BOOST_CHECK_EQUAL(gen2(), 775778250716139533ULL);
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BOOST_CHECK_EQUAL(gen2(), 846264592759195742ULL);
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BOOST_CHECK_EQUAL(gen1, gen2);
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}
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}
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