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// { dg-do compile }
// { dg-require-normal-namespace "" }
// Copyright (C) 2007-2017 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/>.
#include <complex>
namespace std {
template<class T> class complex;
template<> class complex<float>;
template<> class complex<double>;
template<> class complex<long double>;
// 26.2.6 operators:
template<class T>
complex<T> operator+(const complex<T>&, const complex<T>&);
template<class T> complex<T> operator+(const complex<T>&, const T&);
template<class T> complex<T> operator+(const T&, const complex<T>&);
template<class T> complex<T> operator-
(const complex<T>&, const complex<T>&);
template<class T> complex<T> operator-(const complex<T>&, const T&);
template<class T> complex<T> operator-(const T&, const complex<T>&);
template<class T> complex<T> operator*
(const complex<T>&, const complex<T>&);
template<class T> complex<T> operator*(const complex<T>&, const T&);
template<class T> complex<T> operator*(const T&, const complex<T>&);
template<class T> complex<T> operator/
(const complex<T>&, const complex<T>&);
template<class T> complex<T> operator/(const complex<T>&, const T&);
template<class T> complex<T> operator/(const T&, const complex<T>&);
template<class T> complex<T> operator+(const complex<T>&);
template<class T> complex<T> operator-(const complex<T>&);
template<class T> _GLIBCXX_CONSTEXPR bool operator==
(const complex<T>&, const complex<T>&);
template<class T> _GLIBCXX_CONSTEXPR bool operator==
(const complex<T>&, const T&);
template<class T> _GLIBCXX_CONSTEXPR bool operator==
(const T&, const complex<T>&);
template<class T> _GLIBCXX_CONSTEXPR bool operator!=
(const complex<T>&, const complex<T>&);
template<class T> _GLIBCXX_CONSTEXPR bool operator!=
(const complex<T>&, const T&);
template<class T> _GLIBCXX_CONSTEXPR bool operator!=
(const T&, const complex<T>&);
template<class T, class charT, class traits>
basic_istream<charT, traits>&
operator>>(basic_istream<charT, traits>&, complex<T>&);
template<class T, class charT, class traits>
basic_ostream<charT, traits>&
operator<<(basic_ostream<charT, traits>&, const complex<T>&);
// 26.2.7 values:
template<class T> _GLIBCXX_CONSTEXPR T real(const complex<T>&);
template<class T> _GLIBCXX_CONSTEXPR T imag(const complex<T>&);
template<class T> T abs(const complex<T>&);
template<class T> T arg(const complex<T>&);
template<class T> T norm(const complex<T>&);
template<class T> complex<T> conj(const complex<T>&);
template<class T> complex<T> polar(const T& rho, const T& theta);
// 26.2.8 transcendentals:
template<class T> complex<T> cos(const complex<T>&);
template<class T> complex<T> cosh(const complex<T>&);
template<class T> complex<T> exp(const complex<T>&);
template<class T> complex<T> log(const complex<T>&);
template<class T> complex<T> log10(const complex<T>&);
template<class T> complex<T> pow(const complex<T>&, int);
template<class T> complex<T> pow(const complex<T>&, const T&);
template<class T> complex<T> pow(const complex<T>&, const complex<T>&);
template<class T> complex<T> pow(const T&, const complex<T>&);
template<class T> complex<T> sin (const complex<T>&);
template<class T> complex<T> sinh(const complex<T>&);
template<class T> complex<T> sqrt(const complex<T>&);
template<class T> complex<T> tan(const complex<T>&);
template<class T> complex<T> tanh(const complex<T>&);
}
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