94 lines
3.1 KiB
C++
94 lines
3.1 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 TestReverse
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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/command_queue.hpp>
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#include <boost/compute/algorithm/copy.hpp>
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#include <boost/compute/algorithm/iota.hpp>
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#include <boost/compute/algorithm/reverse.hpp>
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#include <boost/compute/algorithm/reverse_copy.hpp>
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#include <boost/compute/container/vector.hpp>
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#include <boost/compute/iterator/counting_iterator.hpp>
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#include "check_macros.hpp"
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#include "context_setup.hpp"
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namespace bc = boost::compute;
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BOOST_AUTO_TEST_CASE(reverse_int)
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{
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bc::vector<int> vector(5, context);
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bc::iota(vector.begin(), vector.end(), 0, queue);
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CHECK_RANGE_EQUAL(int, 5, vector, (0, 1, 2, 3, 4));
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bc::reverse(vector.begin(), vector.end(), queue);
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CHECK_RANGE_EQUAL(int, 5, vector, (4, 3, 2, 1, 0));
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bc::reverse(vector.begin() + 1, vector.end(), queue);
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CHECK_RANGE_EQUAL(int, 5, vector, (4, 0, 1, 2, 3));
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bc::reverse(vector.begin() + 1, vector.end() - 1, queue);
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CHECK_RANGE_EQUAL(int, 5, vector, (4, 2, 1, 0, 3));
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bc::reverse(vector.begin(), vector.end() - 2, queue);
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CHECK_RANGE_EQUAL(int, 5, vector, (1, 2, 4, 0, 3));
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vector.resize(6, queue);
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bc::iota(vector.begin(), vector.end(), 10, queue);
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CHECK_RANGE_EQUAL(int, 6, vector, (10, 11, 12, 13, 14, 15));
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bc::reverse(vector.begin(), vector.end(), queue);
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CHECK_RANGE_EQUAL(int, 6, vector, (15, 14, 13, 12, 11, 10));
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bc::reverse(vector.begin() + 3, vector.end(), queue);
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CHECK_RANGE_EQUAL(int, 6, vector, (15, 14, 13, 10, 11, 12));
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bc::reverse(vector.begin() + 1, vector.end() - 2, queue);
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CHECK_RANGE_EQUAL(int, 6, vector, (15, 10, 13, 14, 11, 12));
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}
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BOOST_AUTO_TEST_CASE(reverse_copy_int)
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{
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bc::vector<int> a(5, context);
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bc::iota(a.begin(), a.end(), 0, queue);
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CHECK_RANGE_EQUAL(int, 5, a, (0, 1, 2, 3, 4));
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bc::vector<int> b(5, context);
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bc::vector<int>::iterator iter =
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bc::reverse_copy(a.begin(), a.end(), b.begin(), queue);
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BOOST_CHECK(iter == b.end());
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CHECK_RANGE_EQUAL(int, 5, b, (4, 3, 2, 1, 0));
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iter = bc::reverse_copy(b.begin() + 1, b.end(), a.begin() + 1, queue);
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BOOST_CHECK(iter == a.end());
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CHECK_RANGE_EQUAL(int, 5, a, (0, 0, 1, 2, 3));
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iter = bc::reverse_copy(a.begin(), a.end() - 1, b.begin(), queue);
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BOOST_CHECK(iter == (b.end() - 1));
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CHECK_RANGE_EQUAL(int, 5, b, (2, 1, 0, 0, 0));
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}
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BOOST_AUTO_TEST_CASE(reverse_copy_counting_iterator)
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{
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bc::vector<int> vector(5, context);
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bc::reverse_copy(
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bc::make_counting_iterator(1),
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bc::make_counting_iterator(6),
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vector.begin(),
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queue
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);
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CHECK_RANGE_EQUAL(int, 5, vector, (5, 4, 3, 2, 1));
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}
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BOOST_AUTO_TEST_SUITE_END()
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