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9a64f6b39a
This adds a get<N>() function which returns the n'th element of an aggregate type (e.g. vector type, pair, tuple). This unifies the functionality of, and replaces, the get_pair() and vector_component() functions.
84 lines
2.2 KiB
C++
84 lines
2.2 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 TestGet
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#include <boost/test/unit_test.hpp>
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#include <boost/type_traits.hpp>
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#include <boost/static_assert.hpp>
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#include <boost/utility/result_of.hpp>
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#include <boost/compute/pair.hpp>
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#include <boost/compute/tuple.hpp>
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#include <boost/compute/types.hpp>
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#include <boost/compute/functional/get.hpp>
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namespace compute = boost::compute;
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BOOST_AUTO_TEST_CASE(get_vector_result_type)
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{
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BOOST_STATIC_ASSERT((
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boost::is_same<
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boost::tr1_result_of<
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compute::get<0>(compute::float4_)
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>::type,
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float
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>::value
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));
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BOOST_STATIC_ASSERT((
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boost::is_same<
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boost::tr1_result_of<
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compute::get<1>(compute::int2_)
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>::type,
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int
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>::value
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));
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}
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BOOST_AUTO_TEST_CASE(get_pair_result_type)
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{
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BOOST_STATIC_ASSERT((
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boost::is_same<
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boost::tr1_result_of<
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compute::get<0>(std::pair<int, float>)
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>::type,
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int
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>::value
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));
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BOOST_STATIC_ASSERT((
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boost::is_same<
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boost::tr1_result_of<
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compute::get<1>(std::pair<compute::float2_, compute::char4_>)
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>::type,
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compute::char4_
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>::value
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));
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}
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BOOST_AUTO_TEST_CASE(get_tuple_result_type)
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{
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BOOST_STATIC_ASSERT((
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boost::is_same<
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boost::tr1_result_of<
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compute::get<0>(boost::tuple<int, int, double>)
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>::type,
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int
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>::value
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));
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BOOST_STATIC_ASSERT((
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boost::is_same<
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boost::tr1_result_of<
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compute::get<2>(boost::tuple<char, int, float>)
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>::type,
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float
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>::value
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));
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}
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