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Library/boost/libs/compute/test/test_random_shuffle.cpp
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full source code
19 дек 2024, 19:11
19 дек 2024, 19:11
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//---------------------------------------------------------------------------// // Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com> // // 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 // // See http://boostorg.github.com/compute for more information. //---------------------------------------------------------------------------// #define BOOST_TEST_MODULE TestRandomShuffle #include <boost/test/unit_test.hpp> #include <set> #include <iterator> #include <boost/compute/system.hpp> #include <boost/compute/command_queue.hpp> #include <boost/compute/algorithm/random_shuffle.hpp> #include <boost/compute/container/vector.hpp> #include "context_setup.hpp" namespace bc = boost::compute; BOOST_AUTO_TEST_CASE(shuffle_int_vector) { bc::vector<int> vector(context); vector.push_back(1, queue); vector.push_back(9, queue); vector.push_back(19, queue); vector.push_back(29, queue); queue.finish(); std::set<int> original_values; for(size_t i = 0; i < vector.size(); i++){ original_values.insert(vector[i]); } BOOST_CHECK_EQUAL(original_values.size(), size_t(4)); bc::random_shuffle(vector.begin(), vector.end(), queue); std::set<int> shuffled_values; bc::copy( vector.begin(), vector.end(), std::inserter(shuffled_values, shuffled_values.begin()), queue ); BOOST_CHECK_EQUAL(shuffled_values.size(), size_t(4)); BOOST_VERIFY(original_values == shuffled_values); } BOOST_AUTO_TEST_SUITE_END()