1 // TR1 cfenv -*- C++ -*- 2 3 // Copyright (C) 2006, 2007, 2008, 2009, 2010 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 tr1/cfenv 26 * This is a TR1 C++ Library header. 27 */ 28 29 #ifndef _GLIBCXX_TR1_CFENV 30 #define _GLIBCXX_TR1_CFENV 1 31 32 #pragma GCC system_header 33 34 #include <bits/c++config.h> 35 36 #if _GLIBCXX_HAVE_FENV_H 37 # include <fenv.h> 38 #endif 39 40 #ifdef _GLIBCXX_USE_C99_FENV_TR1 41 42 #undef feclearexcept 43 #undef fegetexceptflag 44 #undef feraiseexcept 45 #undef fesetexceptflag 46 #undef fetestexcept 47 #undef fegetround 48 #undef fesetround 49 #undef fegetenv 50 #undef feholdexcept 51 #undef fesetenv 52 #undef feupdateenv 53 54 namespace std _GLIBCXX_VISIBILITY(default) 55 { 56 namespace tr1 57 { 58 // types 59 using ::fenv_t; 60 using ::fexcept_t; 61 62 // functions 63 using ::feclearexcept; 64 using ::fegetexceptflag; 65 using ::feraiseexcept; 66 using ::fesetexceptflag; 67 using ::fetestexcept; 68 69 using ::fegetround; 70 using ::fesetround; 71 72 using ::fegetenv; 73 using ::feholdexcept; 74 using ::fesetenv; 75 using ::feupdateenv; 76 } 77 } 78 79 #endif // _GLIBCXX_USE_C99_FENV_TR1 80 81 #endif // _GLIBCXX_TR1_CFENV 82
