blob: 802772ff0c5bc7ff816f2f839f1eea4464fbacfb [file] [log] [blame]
// { dg-do compile { target c++11 } }
// { dg-options "-Wno-pedantic" }
// Copyright (C) 2012-2022 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++/54112
#include <bits/c++config.h>
#if _GLIBCXX_HAVE_COMPLEX_H
# include <complex.h>
#endif
int main()
{
#if _GLIBCXX_HAVE_COMPLEX_H && !defined(__STRICT_ANSI__)
// This is a GNU extension.
double _Complex x = .5;
double _Complex y = cacos (x);
(void)y;
#endif
}