1 /*
2 * Copyright (c) 2014-2017, Siemens AG. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * 1. Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
9 *
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
18 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24 * POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include <embb/algorithms/algorithms.h>
28
29 /**
30 * Example using embb::algorithms::Count and CountIf.
31 *
32 * Counting elements of a range that fulfill certain properties.
33 */
RunCounting()34 void RunCounting() {
35 // snippet_begin:setup
36 int range[] = {0, 3, 2, 0, 1, 1, 3, 2};
37 // snippet_end
38
39 // snippet_begin:count
40 std::iterator_traits<int*>::difference_type count;
41 using embb::algorithms::Count;
42 count = Count(range, range + 8, 1);
43 // snippet_end
44 assert(count == 2);
45
46 // snippet_begin:if_count
47 using embb::algorithms::CountIf;
48 count = CountIf(range, range + 8,
49 [](const int& value) -> bool { return value > 0; });
50 // snippet_end
51 assert(count == 6);
52 }
53