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- // <cfenv> -*- C++ -*-
-
- // Copyright (C) 2007-2020 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 include/cfenv
- * This is a Standard C++ Library header.
- */
-
- #ifndef _GLIBCXX_CFENV
- #define _GLIBCXX_CFENV 1
-
- #pragma GCC system_header
-
- #if __cplusplus < 201103L
- # include <bits/c++0x_warning.h>
- #else
-
- #include <bits/c++config.h>
-
- #if _GLIBCXX_HAVE_FENV_H
- # include <fenv.h>
- #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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