compute/test/test_generate.cpp
2015-07-02 22:20:42 +02:00

72 lines
2.2 KiB
C++

//---------------------------------------------------------------------------//
// 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 TestGenerate
#include <boost/test/unit_test.hpp>
#include <iostream>
#include <boost/compute/function.hpp>
#include <boost/compute/algorithm/generate.hpp>
#include <boost/compute/algorithm/generate_n.hpp>
#include <boost/compute/container/vector.hpp>
#include <boost/compute/types/pair.hpp>
#include "quirks.hpp"
#include "check_macros.hpp"
#include "context_setup.hpp"
namespace bc = boost::compute;
BOOST_AUTO_TEST_CASE(generate4)
{
bc::vector<int> vector(4, context);
bc::fill(vector.begin(), vector.end(), 2, queue);
CHECK_RANGE_EQUAL(int, 4, vector, (2, 2, 2, 2));
BOOST_COMPUTE_FUNCTION(int, ret4, (void),
{
return 4;
});
bc::generate(vector.begin(), vector.end(), ret4, queue);
CHECK_RANGE_EQUAL(int, 4, vector, (4, 4, 4, 4));
}
BOOST_AUTO_TEST_CASE(generate_pair)
{
if(bug_in_struct_assignment(device)){
std::cerr << "skipping generate_pair test" << std::endl;
return;
}
// in order to use std::pair<T1, T2> with BOOST_COMPUTE_FUNCTION() macro we
// need a typedef. otherwise the commas in the type declaration screw it up.
typedef std::pair<int, float> pair_type;
bc::vector<pair_type> vector(3, context);
BOOST_COMPUTE_FUNCTION(pair_type, generate_pair, (void),
{
return boost_make_pair(int, 2, float, 3.14f);
});
bc::generate(vector.begin(), vector.end(), generate_pair, queue);
// check results
std::vector<pair_type> host_vector(3);
bc::copy(vector.begin(), vector.end(), host_vector.begin(), queue);
BOOST_CHECK(host_vector[0] == std::make_pair(2, 3.14f));
BOOST_CHECK(host_vector[1] == std::make_pair(2, 3.14f));
BOOST_CHECK(host_vector[2] == std::make_pair(2, 3.14f));
}
BOOST_AUTO_TEST_SUITE_END()