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99dee823 | 1 | // Copyright (C) 2020-2021 Free Software Foundation, Inc. |
fd335985 PP |
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 | |
6 | // Free Software Foundation; either version 3, or (at your option) | |
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 | |
15 | // with this library; see the file COPYING3. If not see | |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
18 | // { dg-options "-std=gnu++2a" } | |
19 | // { dg-do compile { target c++2a } } | |
20 | ||
21 | #include <functional> | |
22 | #include <numeric> | |
23 | ||
24 | constexpr bool | |
25 | test01() | |
26 | { | |
27 | int x[3] = {1,2,3}; | |
28 | int y[3]; | |
29 | std::inclusive_scan(x, x+3, y); | |
30 | return y[0] == 1 && y[1] == 3 && y[2] == 6; | |
31 | } | |
32 | ||
33 | static_assert(test01()); | |
34 | ||
35 | constexpr bool | |
36 | test02() | |
37 | { | |
38 | int x[3] = {1,2,3}; | |
39 | int y[3]; | |
40 | std::inclusive_scan(x, x+3, y, std::multiplies{}); | |
41 | return y[0] == 1 && y[1] == 2 && y[2] == 6; | |
42 | } | |
43 | ||
44 | static_assert(test02()); | |
45 | ||
46 | constexpr bool | |
47 | test03() | |
48 | { | |
49 | int x[3] = {1,2,3}; | |
50 | int y[3]; | |
51 | std::inclusive_scan(x, x+3, y, std::multiplies{}, 2); | |
52 | return y[0] == 2 && y[1] == 4 && y[2] == 12; | |
53 | } | |
54 | ||
55 | static_assert(test03()); |