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// -*- C++ -*- compatibility header.

// Copyright (C) 2007, 2008, 2009, 2010 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.

// Under Section 7 of GPL version 3, you are granted additional

// permissions described in the GCC Runtime Library Exception, version

// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and

// a copy of the GCC Runtime Library Exception along with this program;

// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see

// <http://www.gnu.org/licenses/>.

/** @file fenv.h

 *  This is a Standard C++ Library header.

 */

#ifndef _GLIBCXX_FENV_H

#define _GLIBCXX_FENV_H 1

#pragma GCC system_header

#include <bits/c++config.h>

#if _GLIBCXX_HAVE_FENV_H

# include_next <fenv.h>

#endif

#if __cplusplus >= 201103L

#if _GLIBCXX_USE_C99_FENV_TR1

#undef feclearexcept

#undef fegetexceptflag

#undef feraiseexcept

#undef fesetexceptflag

#undef fetestexcept

#undef fegetround

#undef fesetround

#undef fegetenv

#undef feholdexcept

#undef fesetenv

#undef feupdateenv

namespace std

{

  // types

  using ::fenv_t;

  using ::fexcept_t;

  // functions

  using ::feclearexcept;

  using ::fegetexceptflag;

  using ::feraiseexcept;

  using ::fesetexceptflag;

  using ::fetestexcept;

  using ::fegetround;

  using ::fesetround;

  using ::fegetenv;

  using ::feholdexcept;

  using ::fesetenv;

  using ::feupdateenv;

} // namespace

#endif // _GLIBCXX_USE_C99_FENV_TR1

#endif // C++11

#endif // _GLIBCXX_FENV_H