100 lines
3.0 KiB
C++
100 lines
3.0 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://boostorg.github.com/compute for more information.
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//---------------------------------------------------------------------------//
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#define BOOST_TEST_MODULE TestFunctionalUnpack
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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/copy_n.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 <boost/compute/iterator/zip_iterator.hpp>
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#include <boost/compute/functional/detail/unpack.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(plus_int)
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{
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int data1[] = { 1, 3, 5, 7 };
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int data2[] = { 2, 4, 6, 8 };
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compute::vector<int> input1(4, context);
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compute::vector<int> input2(4, context);
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compute::copy_n(data1, 4, input1.begin(), queue);
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compute::copy_n(data2, 4, input2.begin(), queue);
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compute::vector<int> output(4, context);
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compute::transform(
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compute::make_zip_iterator(
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boost::make_tuple(input1.begin(), input2.begin())
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),
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compute::make_zip_iterator(
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boost::make_tuple(input1.end(), input2.end())
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),
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output.begin(),
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compute::detail::unpack(compute::plus<int>()),
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queue
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);
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CHECK_RANGE_EQUAL(int, 4, output, (3, 7, 11, 15));
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}
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BOOST_AUTO_TEST_CASE(fma_float)
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{
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float data1[] = { 1, 3, 5, 7 };
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float data2[] = { 2, 4, 6, 8 };
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float data3[] = { 0, 9, 1, 2 };
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compute::vector<float> input1(4, context);
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compute::vector<float> input2(4, context);
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compute::vector<float> input3(4, context);
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compute::copy_n(data1, 4, input1.begin(), queue);
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compute::copy_n(data2, 4, input2.begin(), queue);
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compute::copy_n(data3, 4, input3.begin(), queue);
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compute::vector<int> output(4, context);
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compute::transform(
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compute::make_zip_iterator(
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boost::make_tuple(input1.begin(), input2.begin(), input3.begin())
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),
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compute::make_zip_iterator(
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boost::make_tuple(input1.end(), input2.end(), input3.begin())
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),
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output.begin(),
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compute::detail::unpack(compute::fma<float>()),
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queue
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);
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}
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BOOST_AUTO_TEST_CASE(subtract_int2)
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{
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using compute::int2_;
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int data[] = { 4, 2, 5, 1, 6, 3, 7, 0 };
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compute::vector<int2_> input(4, context);
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compute::copy_n(reinterpret_cast<int2_ *>(data), 4, input.begin(), queue);
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compute::vector<int> output(4, context);
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compute::transform(
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input.begin(),
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input.end(),
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output.begin(),
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compute::detail::unpack(compute::minus<int>()),
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queue
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);
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CHECK_RANGE_EQUAL(int, 4, output, (2, 4, 3, 7));
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}
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BOOST_AUTO_TEST_SUITE_END()
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