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// { dg-require-c-std "" }

// Copyright (C) 2011 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>

#include <limits>

#include <testsuite_hooks.h>

template<typename T>

  void do_test01()

  {

    bool test __attribute__((unused)) = true;

    if (std::numeric_limits<T>::has_quiet_NaN)

      {

        std::complex<T> c1(T(0), std::numeric_limits<T>::quiet_NaN());

        VERIFY( c1.real() == T(0) );

        VERIFY( std::isnan(c1.imag()) );

        std::complex<T> c2(std::numeric_limits<T>::quiet_NaN(), T(0));

        VERIFY( std::isnan(c2.real()) );

        VERIFY( c2.imag() == T(0) );

        std::complex<T> c3(std::numeric_limits<T>::quiet_NaN(),

                           std::numeric_limits<T>::quiet_NaN());

        VERIFY( std::isnan(c3.real()) );

        VERIFY( std::isnan(c3.imag()) );

      }

  }

// libstdc++/48760

void test01()

{

  do_test01<float>();

  do_test01<double>();

  do_test01<long double>();

}

int main()

{

  test01();

  return 0;

}