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123c59a6 | 1 | // { dg-options "-std=gnu++11" } |
ceec10c6 | 2 | // { dg-require-c-std "" } |
09a2ff97 | 3 | |
f1717362 | 4 | // Copyright (C) 2011-2016 Free Software Foundation, Inc. |
09a2ff97 | 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 <limits> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | template<typename T> | |
26 | void do_test01() | |
27 | { | |
28 | bool test __attribute__((unused)) = true; | |
29 | ||
30 | if (std::numeric_limits<T>::has_quiet_NaN) | |
31 | { | |
32 | std::complex<T> c1(T(0), std::numeric_limits<T>::quiet_NaN()); | |
33 | VERIFY( c1.real() == T(0) ); | |
34 | VERIFY( std::isnan(c1.imag()) ); | |
35 | ||
36 | std::complex<T> c2(std::numeric_limits<T>::quiet_NaN(), T(0)); | |
37 | VERIFY( std::isnan(c2.real()) ); | |
38 | VERIFY( c2.imag() == T(0) ); | |
39 | ||
40 | std::complex<T> c3(std::numeric_limits<T>::quiet_NaN(), | |
41 | std::numeric_limits<T>::quiet_NaN()); | |
42 | VERIFY( std::isnan(c3.real()) ); | |
43 | VERIFY( std::isnan(c3.imag()) ); | |
44 | } | |
45 | } | |
46 | ||
47 | // libstdc++/48760 | |
48 | void test01() | |
49 | { | |
50 | do_test01<float>(); | |
51 | do_test01<double>(); | |
52 | do_test01<long double>(); | |
53 | } | |
54 | ||
55 | int main() | |
56 | { | |
57 | test01(); | |
58 | return 0; | |
59 | } |