1// -*- C++ -*-
2//===---------------------------- cctype ----------------------------------===//
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
17This entire header is C99 / C++0X
18
19Macros:
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
33namespace std
34{
35
36Types:
37
38    fenv_t
39    fexcept_t
40
41int feclearexcept(int excepts);
42int fegetexceptflag(fexcept_t* flagp, int excepts);
43int feraiseexcept(int excepts);
44int fesetexceptflag(const fexcept_t* flagp, int excepts);
45int fetestexcept(int excepts);
46int fegetround();
47int fesetround(int round);
48int fegetenv(fenv_t* envp);
49int feholdexcept(fenv_t* envp);
50int fesetenv(const fenv_t* envp);
51int 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
65using ::fenv_t;
66using ::fexcept_t;
67
68using ::feclearexcept;
69using ::fegetexceptflag;
70using ::feraiseexcept;
71using ::fesetexceptflag;
72using ::fetestexcept;
73using ::fegetround;
74using ::fesetround;
75using ::fegetenv;
76using ::feholdexcept;
77using ::fesetenv;
78using ::feupdateenv;
79
80_LIBCPP_END_NAMESPACE_STD
81
82#endif  // _LIBCPP_CFENV
83