1 // -*- C++ -*- 2 //===---------------------------- cfenv -----------------------------------===// 3 // 4 // The LLVM Compiler Infrastructure 5 // 6 // This file is dual licensed under the MIT and the University of Illinois Open 7 // Source Licenses. See LICENSE.TXT for details. 8 // 9 //===----------------------------------------------------------------------===// 10 11 #ifndef _LIBCPP_CFENV 12 #define _LIBCPP_CFENV 13 14 /* 15 cfenv synopsis 16 17 This entire header is C99 / C++0X 18 19 Macros: 20 21 FE_DIVBYZERO 22 FE_INEXACT 23 FE_INVALID 24 FE_OVERFLOW 25 FE_UNDERFLOW 26 FE_ALL_EXCEPT 27 FE_DOWNWARD 28 FE_TONEAREST 29 FE_TOWARDZERO 30 FE_UPWARD 31 FE_DFL_ENV 32 33 namespace std 34 { 35 36 Types: 37 38 fenv_t 39 fexcept_t 40 41 int feclearexcept(int excepts); 42 int fegetexceptflag(fexcept_t* flagp, int excepts); 43 int feraiseexcept(int excepts); 44 int fesetexceptflag(const fexcept_t* flagp, int excepts); 45 int fetestexcept(int excepts); 46 int fegetround(); 47 int fesetround(int round); 48 int fegetenv(fenv_t* envp); 49 int feholdexcept(fenv_t* envp); 50 int fesetenv(const fenv_t* envp); 51 int feupdateenv(const fenv_t* envp); 52 53 } // std 54 */ 55 56 #include <__config> 57 #include <fenv.h> 58 59 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 60 #pragma GCC system_header 61 #endif 62 63 _LIBCPP_BEGIN_NAMESPACE_STD 64 65 using ::fenv_t; 66 using ::fexcept_t; 67 68 using ::feclearexcept; 69 using ::fegetexceptflag; 70 using ::feraiseexcept; 71 using ::fesetexceptflag; 72 using ::fetestexcept; 73 using ::fegetround; 74 using ::fesetround; 75 using ::fegetenv; 76 using ::feholdexcept; 77 using ::fesetenv; 78 using ::feupdateenv; 79 80 _LIBCPP_END_NAMESPACE_STD 81 82 #endif // _LIBCPP_CFENV 83
