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- //---------------------------------------------------------------------------//
- // 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 TestFunctionalAs
- #include <boost/test/unit_test.hpp>
- #include <boost/compute/system.hpp>
- #include <boost/compute/algorithm/copy_n.hpp>
- #include <boost/compute/algorithm/transform.hpp>
- #include <boost/compute/container/vector.hpp>
- #include <boost/compute/functional/as.hpp>
- #include "check_macros.hpp"
- #include "context_setup.hpp"
- namespace compute = boost::compute;
- BOOST_AUTO_TEST_CASE(roundtrip_int_float)
- {
- int data[] = { 1, 2, 3, 4, 5, 6, 7, 8 };
- compute::vector<int> input(8, context);
- compute::copy_n(data, 8, input.begin(), queue);
- // convert int -> float
- compute::vector<float> output(8, context);
- compute::transform(
- input.begin(),
- input.end(),
- output.begin(),
- compute::as<float>(),
- queue
- );
- // zero out input
- compute::fill(input.begin(), input.end(), 0, queue);
- // convert float -> int
- compute::transform(
- output.begin(),
- output.end(),
- input.begin(),
- compute::as<int>(),
- queue
- );
- // check values
- CHECK_RANGE_EQUAL(
- int, 8, input, (1, 2, 3, 4, 5, 6, 7, 8)
- );
- }
- BOOST_AUTO_TEST_SUITE_END()
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