1 // -*- C++ -*- compatibility header. 2 3 // Copyright (C) 2007-2014 Free Software Foundation, Inc. 4 // 5 // This file is part of the GNU ISO C++ Library. This library is free 6 // software; you can redistribute it and/or modify it under the 7 // terms of the GNU General Public License as published by the 8 // Free Software Foundation; either version 3, or (at your option) 9 // any later version. 10 11 // This library is distributed in the hope that it will be useful, 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 // GNU General Public License for more details. 15 16 // Under Section 7 of GPL version 3, you are granted additional 17 // permissions described in the GCC Runtime Library Exception, version 18 // 3.1, as published by the Free Software Foundation. 19 20 // You should have received a copy of the GNU General Public License and 21 // a copy of the GCC Runtime Library Exception along with this program; 22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23 // <http://www.gnu.org/licenses/>. 24 25 /** @file fenv.h 26 * This is a Standard C++ Library header. 27 */ 28 29 #ifndef _GLIBCXX_FENV_H 30 #define _GLIBCXX_FENV_H 1 31 32 #pragma GCC system_header 33 34 #include <bits/c++config.h> 35 #if _GLIBCXX_HAVE_FENV_H 36 # include_next <fenv.h> 37 #endif 38 39 #if __cplusplus >= 201103L 40 41 #if _GLIBCXX_USE_C99_FENV_TR1 42 43 #undef feclearexcept 44 #undef fegetexceptflag 45 #undef feraiseexcept 46 #undef fesetexceptflag 47 #undef fetestexcept 48 #undef fegetround 49 #undef fesetround 50 #undef fegetenv 51 #undef feholdexcept 52 #undef fesetenv 53 #undef feupdateenv 54 55 namespace std 56 { 57 // types 58 using ::fenv_t; 59 using ::fexcept_t; 60 61 // functions 62 using ::feclearexcept; 63 using ::fegetexceptflag; 64 using ::feraiseexcept; 65 using ::fesetexceptflag; 66 using ::fetestexcept; 67 68 using ::fegetround; 69 using ::fesetround; 70 71 using ::fegetenv; 72 using ::feholdexcept; 73 using ::fesetenv; 74 using ::feupdateenv; 75 } // namespace 76 77 #endif // _GLIBCXX_USE_C99_FENV_TR1 78 79 #endif // C++11 80 81 #endif // _GLIBCXX_FENV_H 82
