| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #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 _LIBCPP_USING_IF_EXISTS; |
| using ::fexcept_t _LIBCPP_USING_IF_EXISTS; |
| |
| using ::feclearexcept _LIBCPP_USING_IF_EXISTS; |
| using ::fegetexceptflag _LIBCPP_USING_IF_EXISTS; |
| using ::feraiseexcept _LIBCPP_USING_IF_EXISTS; |
| using ::fesetexceptflag _LIBCPP_USING_IF_EXISTS; |
| using ::fetestexcept _LIBCPP_USING_IF_EXISTS; |
| using ::fegetround _LIBCPP_USING_IF_EXISTS; |
| using ::fesetround _LIBCPP_USING_IF_EXISTS; |
| using ::fegetenv _LIBCPP_USING_IF_EXISTS; |
| using ::feholdexcept _LIBCPP_USING_IF_EXISTS; |
| using ::fesetenv _LIBCPP_USING_IF_EXISTS; |
| using ::feupdateenv _LIBCPP_USING_IF_EXISTS; |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP_CFENV |