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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 TestPartition
- #include <boost/test/unit_test.hpp>
- #include <boost/compute/system.hpp>
- #include <boost/compute/functional.hpp>
- #include <boost/compute/command_queue.hpp>
- #include <boost/compute/algorithm/partition.hpp>
- #include <boost/compute/algorithm/partition_copy.hpp>
- #include <boost/compute/algorithm/is_partitioned.hpp>
- #include <boost/compute/container/vector.hpp>
- #include "check_macros.hpp"
- #include "context_setup.hpp"
- namespace bc = boost::compute;
- BOOST_AUTO_TEST_CASE(partition_float_vector)
- {
- bc::vector<float> vector(context);
- vector.push_back(1.0f, queue);
- vector.push_back(2.0f, queue);
- vector.push_back(-1.0f, queue);
- vector.push_back(-2.0f, queue);
- vector.push_back(3.0f, queue);
- vector.push_back(4.0f, queue);
- vector.push_back(-3.0f, queue);
- vector.push_back(-4.0f, queue);
- // verify is_partitioned()
- BOOST_VERIFY(bc::is_partitioned(vector.begin(),
- vector.end(),
- bc::signbit_<float>(),
- queue) == false);
- // partition by signbit
- bc::vector<float>::iterator iter = bc::partition(vector.begin(),
- vector.end(),
- bc::signbit_<float>(),
- queue);
- queue.finish();
- BOOST_VERIFY(iter == vector.begin() + 4);
- BOOST_CHECK_LT(vector[0], 0.0f);
- BOOST_CHECK_LT(vector[1], 0.0f);
- BOOST_CHECK_LT(vector[2], 0.0f);
- BOOST_CHECK_LT(vector[3], 0.0f);
- BOOST_CHECK_GT(vector[4], 0.0f);
- BOOST_CHECK_GT(vector[5], 0.0f);
- BOOST_CHECK_GT(vector[6], 0.0f);
- BOOST_CHECK_GT(vector[7], 0.0f);
- // verify is_partitioned()
- BOOST_VERIFY(bc::is_partitioned(vector.begin(),
- vector.end(),
- bc::signbit_<float>(),
- queue) == true);
- }
- BOOST_AUTO_TEST_CASE(partition_small_vector)
- {
- bc::vector<float> vector(context);
- bc::partition(vector.begin(), vector.end(), bc::signbit_<float>(), queue);
- vector.push_back(1.0f, queue);
- bc::partition(vector.begin(), vector.end(), bc::signbit_<float>(), queue);
- CHECK_RANGE_EQUAL(float, 1, vector, (1.0f));
- vector.push_back(-1.0f, queue);
- bc::partition(vector.begin(), vector.end(), bc::signbit_<float>(), queue);
- CHECK_RANGE_EQUAL(float, 2, vector, (-1.0f, 1.0f));
- }
- BOOST_AUTO_TEST_SUITE_END()
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