| // <cfenv> -*- C++ -*- |
| |
| // Copyright (C) 2007-2019 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 |