<h2>Editing File: /usr/include/c++/8/cfenv</h2><form method='post'><textarea name='content' class='file-edit'>// &lt;cfenv&gt; -*- C++ -*-

// Copyright (C) 2007-2018 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
// &lt;http://www.gnu.org/licenses/&gt;.

/** @file include/cfenv
 *  This is a Standard C++ Library header.
 */

#ifndef _GLIBCXX_CFENV
#define _GLIBCXX_CFENV 1

#pragma GCC system_header

#if __cplusplus &lt; 201103L
# include &lt;bits/c++0x_warning.h&gt;
#else

#include &lt;bits/c++config.h&gt;

#if _GLIBCXX_HAVE_FENV_H
# include &lt;fenv.h&gt;
#endif

#ifdef _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 std

#endif // _GLIBCXX_USE_C99_FENV_TR1

#endif // C++11

#endif // _GLIBCXX_CFENV
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