|  | // -*- C++ -*- | 
|  | //===---------------------------- cctype ----------------------------------===// | 
|  | // | 
|  | //                     The LLVM Compiler Infrastructure | 
|  | // | 
|  | // This file is dual licensed under the MIT and the University of Illinois Open | 
|  | // Source Licenses. See LICENSE.TXT for details. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | #ifndef _LIBCPP_CFENV | 
|  | #define _LIBCPP_CFENV | 
|  |  | 
|  | /* | 
|  | cfenv synopsis | 
|  |  | 
|  | This entire header is C99 / C++0X | 
|  |  | 
|  | Macros: | 
|  |  | 
|  | FE_DIVBYZERO | 
|  | FE_INEXACT | 
|  | FE_INVALID | 
|  | FE_OVERFLOW | 
|  | FE_UNDERFLOW | 
|  | FE_ALL_EXCEPT | 
|  | FE_DOWNWARD | 
|  | FE_TONEAREST | 
|  | FE_TOWARDZERO | 
|  | FE_UPWARD | 
|  | FE_DFL_ENV | 
|  |  | 
|  | namespace std | 
|  | { | 
|  |  | 
|  | Types: | 
|  |  | 
|  | fenv_t | 
|  | fexcept_t | 
|  |  | 
|  | int feclearexcept(int excepts); | 
|  | int fegetexceptflag(fexcept_t* flagp, int excepts); | 
|  | int feraiseexcept(int excepts); | 
|  | int fesetexceptflag(const fexcept_t* flagp, int excepts); | 
|  | int fetestexcept(int excepts); | 
|  | int fegetround(); | 
|  | int fesetround(int round); | 
|  | int fegetenv(fenv_t* envp); | 
|  | int feholdexcept(fenv_t* envp); | 
|  | int fesetenv(const fenv_t* envp); | 
|  | int feupdateenv(const fenv_t* envp); | 
|  |  | 
|  | }  // std | 
|  | */ | 
|  |  | 
|  | #include <__config> | 
|  | #include <fenv.h> | 
|  |  | 
|  | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) | 
|  | #pragma GCC system_header | 
|  | #endif | 
|  |  | 
|  | _LIBCPP_BEGIN_NAMESPACE_STD | 
|  |  | 
|  | using ::fenv_t; | 
|  | using ::fexcept_t; | 
|  |  | 
|  | using ::feclearexcept; | 
|  | using ::fegetexceptflag; | 
|  | using ::feraiseexcept; | 
|  | using ::fesetexceptflag; | 
|  | using ::fetestexcept; | 
|  | using ::fegetround; | 
|  | using ::fesetround; | 
|  | using ::fegetenv; | 
|  | using ::feholdexcept; | 
|  | using ::fesetenv; | 
|  | using ::feupdateenv; | 
|  |  | 
|  | _LIBCPP_END_NAMESPACE_STD | 
|  |  | 
|  | #endif  // _LIBCPP_CFENV |