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f1717362 | 1 | // Copyright (C) 2006-2016 Free Software Foundation, Inc. |
eab56c68 | 2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
6bc9506f | 6 | // Free Software Foundation; either version 3, or (at your option) |
eab56c68 | 7 | // any later version. |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
6bc9506f | 15 | // with this library; see the file COPYING3. If not see |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
eab56c68 | 18 | |
19 | #include <vector> | |
20 | #include <algorithm> | |
21 | #include <testsuite_performance.h> | |
22 | ||
23 | int main() | |
24 | { | |
25 | using namespace __gnu_test; | |
26 | ||
27 | time_counter time; | |
28 | resource_counter resource; | |
29 | ||
30 | const int max_size = 8192; | |
31 | ||
32 | std::vector<int> v[max_size]; | |
33 | ||
34 | for (int i = 0; i < max_size; ++i) | |
35 | { | |
36 | for (int j = 0; j < i; j += 4) | |
37 | { | |
38 | v[i].push_back(j / 2); | |
39 | v[i].push_back((i - 2) - (j / 2)); | |
40 | } | |
41 | ||
42 | for (int j = 1; j < i; j += 2) | |
43 | v[i].push_back(j); | |
44 | } | |
45 | ||
46 | start_counters(time, resource); | |
47 | for (int i = 0; i < max_size; ++i) | |
48 | std::nth_element(v[i].begin(), v[i].begin() + i, v[i].end()); | |
49 | stop_counters(time, resource); | |
50 | report_performance(__FILE__, "", time, resource); | |
51 | ||
52 | return 0; | |
53 | } |