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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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