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1 | //---------------------------------------------------------------------------// |
2 | // Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com> | |
3 | // | |
4 | // Distributed under the Boost Software License, Version 1.0 | |
5 | // See accompanying file LICENSE_1_0.txt or copy at | |
6 | // http://www.boost.org/LICENSE_1_0.txt | |
7 | // | |
8 | // See http://boostorg.github.com/compute for more information. | |
9 | //---------------------------------------------------------------------------// | |
10 | ||
11 | #define BOOST_TEST_MODULE TestRandomShuffle | |
12 | #include <boost/test/unit_test.hpp> | |
13 | ||
14 | #include <set> | |
15 | #include <iterator> | |
16 | ||
17 | #include <boost/compute/system.hpp> | |
18 | #include <boost/compute/command_queue.hpp> | |
19 | #include <boost/compute/algorithm/random_shuffle.hpp> | |
20 | #include <boost/compute/container/vector.hpp> | |
21 | ||
22 | #include "context_setup.hpp" | |
23 | ||
24 | namespace bc = boost::compute; | |
25 | ||
26 | BOOST_AUTO_TEST_CASE(shuffle_int_vector) | |
27 | { | |
28 | bc::vector<int> vector(context); | |
29 | vector.push_back(1, queue); | |
30 | vector.push_back(9, queue); | |
31 | vector.push_back(19, queue); | |
32 | vector.push_back(29, queue); | |
33 | ||
34 | std::set<int> original_values; | |
35 | for(size_t i = 0; i < vector.size(); i++){ | |
36 | original_values.insert(vector[i]); | |
37 | } | |
38 | BOOST_CHECK_EQUAL(original_values.size(), size_t(4)); | |
39 | ||
40 | bc::random_shuffle(vector.begin(), vector.end(), queue); | |
41 | ||
42 | std::set<int> shuffled_values; | |
43 | bc::copy( | |
44 | vector.begin(), | |
45 | vector.end(), | |
46 | std::inserter(shuffled_values, shuffled_values.begin()), | |
47 | queue | |
48 | ); | |
49 | BOOST_CHECK_EQUAL(shuffled_values.size(), size_t(4)); | |
50 | BOOST_VERIFY(original_values == shuffled_values); | |
51 | } | |
52 | ||
53 | BOOST_AUTO_TEST_SUITE_END() |