37 lines
1.1 KiB
C++
37 lines
1.1 KiB
C++
// { dg-do compile }
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// { dg-options "-std=c++98" }
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// Copyright (C) 2013-2020 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// libstdc++/56111
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// In C++03, we try to keep the macro "complex" as long as it does not
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// conflict (std::complex).
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#include <bits/c++config.h>
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#if _GLIBCXX_HAVE_COMPLEX_H
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# include <complex.h>
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#endif
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int main()
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{
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#if _GLIBCXX_HAVE_COMPLEX_H
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double complex x = .5;
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double complex y = cacos (x);
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(void)y;
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#endif
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}
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