diff options
Diffstat (limited to 'src/boost/libs/compute/test/test_scatter.cpp')
-rw-r--r-- | src/boost/libs/compute/test/test_scatter.cpp | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/boost/libs/compute/test/test_scatter.cpp b/src/boost/libs/compute/test/test_scatter.cpp new file mode 100644 index 00000000..00c74b22 --- /dev/null +++ b/src/boost/libs/compute/test/test_scatter.cpp @@ -0,0 +1,57 @@ +//---------------------------------------------------------------------------// +// 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() |