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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 TestScatter
- #include <boost/test/unit_test.hpp>
- #include <boost/compute/system.hpp>
- #include <boost/compute/algorithm/scatter.hpp>
- #include <boost/compute/container/vector.hpp>
- #include <boost/compute/iterator/constant_buffer_iterator.hpp>
- #include "check_macros.hpp"
- #include "context_setup.hpp"
- namespace bc = boost::compute;
- BOOST_AUTO_TEST_CASE(scatter_int)
- {
- int input_data[] = { 1, 2, 3, 4, 5 };
- bc::vector<int> input(input_data, input_data + 5, queue);
- int map_data[] = { 0, 4, 1, 3, 2 };
- bc::vector<int> map(map_data, map_data + 5, queue);
- bc::vector<int> output(5, context);
- bc::scatter(input.begin(), input.end(), map.begin(), output.begin(), queue);
- CHECK_RANGE_EQUAL(int, 5, output, (1, 3, 5, 4, 2));
- }
- BOOST_AUTO_TEST_CASE(scatter_constant_indices)
- {
- int input_data[] = { 1, 2, 3, 4, 5 };
- bc::vector<int> input(input_data, input_data + 5, queue);
- int map_data[] = { 0, 4, 1, 3, 2 };
- bc::buffer map_buffer(context,
- 5 * sizeof(int),
- bc::buffer::read_only | bc::buffer::use_host_ptr,
- map_data);
- bc::vector<int> output(5, context);
- bc::scatter(input.begin(),
- input.end(),
- bc::make_constant_buffer_iterator<int>(map_buffer, 0),
- output.begin(),
- queue);
- CHECK_RANGE_EQUAL(int, 5, output, (1, 3, 5, 4, 2));
- }
- BOOST_AUTO_TEST_SUITE_END()
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