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40 lines
1.3 KiB
C++
40 lines
1.3 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://kylelutz.github.com/compute for more information.
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//---------------------------------------------------------------------------//
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#define BOOST_TEST_MODULE TestGather
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#include <boost/test/unit_test.hpp>
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#include <boost/compute/system.hpp>
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#include <boost/compute/algorithm/gather.hpp>
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#include <boost/compute/container/vector.hpp>
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namespace bc = boost::compute;
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BOOST_AUTO_TEST_CASE(gather_int)
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{
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bc::device device = bc::system::default_device();
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bc::context context(device);
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bc::command_queue queue(context, device);
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int input_data[] = { 1, 2, 3, 4, 5 };
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bc::vector<int> input(input_data, input_data + 5, context);
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int map_data[] = { 0, 4, 1, 3, 2 };
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bc::vector<int> map(map_data, map_data + 5, context);
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bc::vector<int> output(5, context);
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bc::gather(input.begin(), input.end(), map.begin(), output.begin());
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BOOST_CHECK_EQUAL(output[0], 1);
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BOOST_CHECK_EQUAL(output[1], 5);
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BOOST_CHECK_EQUAL(output[2], 2);
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BOOST_CHECK_EQUAL(output[3], 4);
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BOOST_CHECK_EQUAL(output[4], 3);
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}
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