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1 | // { dg-require-c-std "" } |
2 | ||
8d9254fc | 3 | // Copyright (C) 2011-2020 Free Software Foundation, Inc. |
9f1163b1 PC |
4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
8 | // Free Software Foundation; either version 3, or (at your option) | |
9 | // any later version. | |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License along | |
17 | // with this library; see the file COPYING3. If not see | |
18 | // <http://www.gnu.org/licenses/>. | |
19 | ||
20 | #include <complex> | |
21 | #include <limits> | |
22 | #include <testsuite_hooks.h> | |
23 | ||
24 | template<typename T> | |
25 | void do_test01() | |
26 | { | |
9f1163b1 PC |
27 | if (std::numeric_limits<T>::has_quiet_NaN) |
28 | { | |
29 | std::complex<T> c1(T(0), std::numeric_limits<T>::quiet_NaN()); | |
30 | VERIFY( c1.real() == T(0) ); | |
31 | VERIFY( std::isnan(c1.imag()) ); | |
32 | ||
33 | std::complex<T> c2(std::numeric_limits<T>::quiet_NaN(), T(0)); | |
34 | VERIFY( std::isnan(c2.real()) ); | |
35 | VERIFY( c2.imag() == T(0) ); | |
36 | ||
37 | std::complex<T> c3(std::numeric_limits<T>::quiet_NaN(), | |
38 | std::numeric_limits<T>::quiet_NaN()); | |
39 | VERIFY( std::isnan(c3.real()) ); | |
40 | VERIFY( std::isnan(c3.imag()) ); | |
41 | } | |
42 | } | |
43 | ||
44 | // libstdc++/48760 | |
45 | void test01() | |
46 | { | |
47 | do_test01<float>(); | |
48 | do_test01<double>(); | |
49 | do_test01<long double>(); | |
50 | } | |
51 | ||
52 | int main() | |
53 | { | |
54 | test01(); | |
55 | return 0; | |
56 | } |