forked from OSchip/llvm-project
117 lines
1.8 KiB
C++
117 lines
1.8 KiB
C++
// -*- 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_FENV_H
|
|
#define _LIBCPP_FENV_H
|
|
|
|
|
|
/*
|
|
fenv.h 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
|
|
|
|
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);
|
|
|
|
|
|
*/
|
|
|
|
#include <__config>
|
|
|
|
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
|
|
#pragma GCC system_header
|
|
#endif
|
|
|
|
#include_next <fenv.h>
|
|
|
|
#ifdef __cplusplus
|
|
|
|
extern "C++" {
|
|
|
|
#ifdef feclearexcept
|
|
#undef feclearexcept
|
|
#endif
|
|
|
|
#ifdef fegetexceptflag
|
|
#undef fegetexceptflag
|
|
#endif
|
|
|
|
|
|
#ifdef feraiseexcept
|
|
#undef feraiseexcept
|
|
#endif
|
|
|
|
#ifdef fesetexceptflag
|
|
#undef fesetexceptflag
|
|
#endif
|
|
|
|
|
|
#ifdef fetestexcept
|
|
#undef fetestexcept
|
|
#endif
|
|
|
|
#ifdef fegetround
|
|
#undef fegetround
|
|
#endif
|
|
|
|
#ifdef fesetround
|
|
#undef fesetround
|
|
#endif
|
|
|
|
#ifdef fegetenv
|
|
#undef fegetenv
|
|
#endif
|
|
|
|
#ifdef feholdexcept
|
|
#undef feholdexcept
|
|
#endif
|
|
|
|
|
|
#ifdef fesetenv
|
|
#undef fesetenv
|
|
#endif
|
|
|
|
#ifdef feupdateenv
|
|
#undef feupdateenv
|
|
#endif
|
|
|
|
} // extern "C++"
|
|
|
|
#endif // defined(__cplusplus)
|
|
|
|
#endif // _LIBCPP_FENV_H
|