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23df31a7 | 1 | // { dg-options "-std=gnu++2a" } |
2 | // { dg-do compile { target c++2a } } | |
3 | ||
fbd26352 | 4 | // Copyright (C) 2018-2019 Free Software Foundation, Inc. |
23df31a7 | 5 | // |
6 | // This file is part of the GNU ISO C++ Library. This library is free | |
7 | // software; you can redistribute it and/or modify it under the | |
8 | // terms of the GNU General Public License as published by the | |
9 | // Free Software Foundation; either version 3, or (at your option) | |
10 | // any later version. | |
11 | ||
12 | // This library is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | ||
17 | // You should have received a copy of the GNU General Public License along | |
18 | // with this library; see the file COPYING3. If not see | |
19 | // <http://www.gnu.org/licenses/>. | |
20 | ||
21 | #include <complex> | |
22 | #include <testsuite_common_types.h> | |
23 | ||
24 | template<bool ok> | |
25 | struct thing | |
26 | { }; | |
27 | ||
28 | // | |
29 | template<typename _Tp> | |
30 | void | |
31 | test_comparison() | |
32 | { | |
33 | constexpr std::complex<_Tp> a{1.1, 2.2}; | |
34 | constexpr std::complex<_Tp> b{3.3, 4.4}; | |
35 | if constexpr (a == b) | |
36 | auto c [[maybe_unused]] = a + b; | |
37 | if constexpr (a != b) | |
38 | auto c [[maybe_unused]] = a - b; | |
39 | ||
40 | thing<a == b> thing1 [[maybe_unused]]; | |
41 | thing<a != b> thing2 [[maybe_unused]]; | |
42 | } | |
43 | ||
44 | int | |
45 | main() | |
46 | { | |
47 | test_comparison<float>(); | |
48 | test_comparison<double>(); | |
49 | test_comparison<long double>(); | |
50 | ||
51 | return 0; | |
52 | } |