55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
//---------------------------------------------------------------------------//
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// Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
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//
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// Distributed under the Boost Software License, Version 1.0
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// See 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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// See http://boostorg.github.com/compute for more information.
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//---------------------------------------------------------------------------//
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#define BOOST_TEST_MODULE TestRandomShuffle
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#include <boost/test/unit_test.hpp>
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#include <set>
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#include <iterator>
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#include <boost/compute/system.hpp>
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#include <boost/compute/command_queue.hpp>
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#include <boost/compute/algorithm/random_shuffle.hpp>
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#include <boost/compute/container/vector.hpp>
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#include "context_setup.hpp"
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namespace bc = boost::compute;
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BOOST_AUTO_TEST_CASE(shuffle_int_vector)
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{
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bc::vector<int> vector(context);
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vector.push_back(1, queue);
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vector.push_back(9, queue);
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vector.push_back(19, queue);
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vector.push_back(29, queue);
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queue.finish();
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std::set<int> original_values;
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for(size_t i = 0; i < vector.size(); i++){
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original_values.insert(vector[i]);
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}
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BOOST_CHECK_EQUAL(original_values.size(), size_t(4));
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bc::random_shuffle(vector.begin(), vector.end(), queue);
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std::set<int> shuffled_values;
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bc::copy(
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vector.begin(),
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vector.end(),
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std::inserter(shuffled_values, shuffled_values.begin()),
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queue
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);
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BOOST_CHECK_EQUAL(shuffled_values.size(), size_t(4));
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BOOST_VERIFY(original_values == shuffled_values);
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}
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BOOST_AUTO_TEST_SUITE_END()
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