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67 lines
2.2 KiB
C++
67 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 TestIota
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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/context.hpp>
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#include <boost/compute/algorithm/iota.hpp>
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#include <boost/compute/container/vector.hpp>
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#include <boost/compute/iterator/permutation_iterator.hpp>
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namespace bc = boost::compute;
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BOOST_AUTO_TEST_CASE(iota_int)
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{
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bc::vector<int> vector(4);
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bc::iota(vector.begin(), vector.end(), 0);
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BOOST_CHECK_EQUAL(vector[0], 0);
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BOOST_CHECK_EQUAL(vector[1], 1);
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BOOST_CHECK_EQUAL(vector[2], 2);
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BOOST_CHECK_EQUAL(vector[3], 3);
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bc::iota(vector.begin(), vector.end(), 10);
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BOOST_CHECK_EQUAL(vector[0], 10);
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BOOST_CHECK_EQUAL(vector[1], 11);
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BOOST_CHECK_EQUAL(vector[2], 12);
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BOOST_CHECK_EQUAL(vector[3], 13);
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bc::iota(vector.begin() + 2, vector.end(), -5);
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BOOST_CHECK_EQUAL(vector[0], 10);
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BOOST_CHECK_EQUAL(vector[1], 11);
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BOOST_CHECK_EQUAL(vector[2], -5);
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BOOST_CHECK_EQUAL(vector[3], -4);
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bc::iota(vector.begin(), vector.end() - 2, 4);
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BOOST_CHECK_EQUAL(vector[0], 4);
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BOOST_CHECK_EQUAL(vector[1], 5);
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BOOST_CHECK_EQUAL(vector[2], -5);
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BOOST_CHECK_EQUAL(vector[3], -4);
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}
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BOOST_AUTO_TEST_CASE(iota_permutation_iterator)
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{
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bc::vector<int> output(5);
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bc::fill(output.begin(), output.end(), 0);
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int map_data[] = { 2, 0, 1, 4, 3 };
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bc::vector<int> map(map_data, map_data + 5);
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bc::iota(bc::make_permutation_iterator(output.begin(), map.begin()),
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bc::make_permutation_iterator(output.end(), map.end()),
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1);
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BOOST_CHECK_EQUAL(output[0], 2);
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BOOST_CHECK_EQUAL(output[1], 3);
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BOOST_CHECK_EQUAL(output[2], 1);
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BOOST_CHECK_EQUAL(output[3], 5);
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BOOST_CHECK_EQUAL(output[4], 4);
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}
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