| // { dg-do compile } |
| // { dg-options "-std=c++98" } |
| |
| // Copyright (C) 2013-2023 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // libstdc++/56111 |
| // In C++03, we try to keep the macro "complex" as long as it does not |
| // conflict (std::complex). |
| #include <bits/c++config.h> |
| #if _GLIBCXX_HAVE_COMPLEX_H |
| # include <complex.h> |
| #endif |
| |
| int main() |
| { |
| #if _GLIBCXX_HAVE_COMPLEX_H |
| double complex x = .5; |
| double complex y = cacos (x); |
| (void)y; |
| #endif |
| } |
