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83d104f24f
This adds a new macro which allows users to create closure functions which can capture C++ variables and make them available in OpenCL.
68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
//---------------------------------------------------------------------------//
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// Copyright (c) 2013-2014 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 TestClosure
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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/closure.hpp>
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#include <boost/compute/function.hpp>
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#include <boost/compute/algorithm/copy.hpp>
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#include <boost/compute/algorithm/transform.hpp>
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#include <boost/compute/container/vector.hpp>
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#include "check_macros.hpp"
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#include "context_setup.hpp"
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namespace compute = boost::compute;
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BOOST_AUTO_TEST_CASE(add_two)
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{
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int two = 2;
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BOOST_COMPUTE_CLOSURE(int, add_two, (int), (two),
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{
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return _1 + two;
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});
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int data[] = { 1, 2, 3, 4 };
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compute::vector<int> vector(data, data + 4, queue);
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compute::transform(
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vector.begin(), vector.end(), vector.begin(), add_two, queue
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);
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CHECK_RANGE_EQUAL(int, 4, vector, (3, 4, 5, 6));
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}
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BOOST_AUTO_TEST_CASE(add_two_and_pi)
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{
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int two = 2;
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float pi = 3.14f;
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BOOST_COMPUTE_CLOSURE(float, add_two_and_pi, (float), (two, pi),
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{
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return _1 + two + pi;
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});
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float data[] = { 1.9f, 2.2f, 3.4f, 4.7f };
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compute::vector<float> vector(data, data + 4, queue);
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compute::transform(
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vector.begin(), vector.end(), vector.begin(), add_two_and_pi, queue
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);
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std::vector<float> results(4);
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compute::copy(vector.begin(), vector.end(), results.begin(), queue);
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BOOST_CHECK_CLOSE(results[0], 7.04f, 1e-6);
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BOOST_CHECK_CLOSE(results[1], 7.34f, 1e-6);
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BOOST_CHECK_CLOSE(results[2], 8.54f, 1e-6);
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BOOST_CHECK_CLOSE(results[3], 9.84f, 1e-6);
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}
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BOOST_AUTO_TEST_SUITE_END()
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