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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 TestScatter | |
12 | #include <boost/test/unit_test.hpp> | |
13 | ||
14 | #include <boost/compute/system.hpp> | |
15 | #include <boost/compute/algorithm/scatter.hpp> | |
16 | #include <boost/compute/container/vector.hpp> | |
17 | #include <boost/compute/iterator/constant_buffer_iterator.hpp> | |
18 | ||
19 | #include "check_macros.hpp" | |
20 | #include "context_setup.hpp" | |
21 | ||
22 | namespace bc = boost::compute; | |
23 | ||
24 | BOOST_AUTO_TEST_CASE(scatter_int) | |
25 | { | |
26 | int input_data[] = { 1, 2, 3, 4, 5 }; | |
27 | bc::vector<int> input(input_data, input_data + 5, queue); | |
28 | ||
29 | int map_data[] = { 0, 4, 1, 3, 2 }; | |
30 | bc::vector<int> map(map_data, map_data + 5, queue); | |
31 | ||
32 | bc::vector<int> output(5, context); | |
33 | bc::scatter(input.begin(), input.end(), map.begin(), output.begin(), queue); | |
34 | CHECK_RANGE_EQUAL(int, 5, output, (1, 3, 5, 4, 2)); | |
35 | } | |
36 | ||
37 | BOOST_AUTO_TEST_CASE(scatter_constant_indices) | |
38 | { | |
39 | int input_data[] = { 1, 2, 3, 4, 5 }; | |
40 | bc::vector<int> input(input_data, input_data + 5, queue); | |
41 | ||
42 | int map_data[] = { 0, 4, 1, 3, 2 }; | |
43 | bc::buffer map_buffer(context, | |
44 | 5 * sizeof(int), | |
45 | bc::buffer::read_only | bc::buffer::use_host_ptr, | |
46 | map_data); | |
47 | ||
48 | bc::vector<int> output(5, context); | |
49 | bc::scatter(input.begin(), | |
50 | input.end(), | |
51 | bc::make_constant_buffer_iterator<int>(map_buffer, 0), | |
52 | output.begin(), | |
53 | queue); | |
54 | CHECK_RANGE_EQUAL(int, 5, output, (1, 3, 5, 4, 2)); | |
55 | } | |
56 | ||
57 | BOOST_AUTO_TEST_SUITE_END() |