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