blob: 16b3761ee27b16b2a40c2c23516a692e433f60b9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
// -*- 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 <__assert> // all public C++ headers provide the assertion handler
#include <__config>
#include <fenv.h>
#ifndef _LIBCPP_FENV_H
# error <cfenv> tried including <fenv.h> but didn't find libc++'s <fenv.h> header. \
This usually means that your header search paths are not configured properly. \
The header search paths should contain the C++ Standard Library headers before \
any C Standard Library, and you are probably using compiler flags that make that \
not be the case.
#endif
#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
|
