1// -*- C++ -*- compatibility header.
2
3// Copyright (C) 2007-2018 Free Software Foundation, Inc.
4//
5// This file is part of the GNU ISO C++ Library. This library is free
6// software; you can redistribute it and/or modify it under the
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 3, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14// GNU General Public License for more details.
15
16// Under Section 7 of GPL version 3, you are granted additional
17// permissions described in the GCC Runtime Library Exception, version
18// 3.1, as published by the Free Software Foundation.
19
20// You should have received a copy of the GNU General Public License and
21// a copy of the GCC Runtime Library Exception along with this program;
22// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23// <http://www.gnu.org/licenses/>.
24
25/** @file fenv.h
26 * This is a Standard C++ Library header.
27 */
28
29#ifndef _GLIBCXX_FENV_H
30#define _GLIBCXX_FENV_H 1
31
32#pragma GCC system_header
33
34#include <bits/c++config.h>
35#if _GLIBCXX_HAVE_FENV_H
36# include_next <fenv.h>
37#endif
38
39#if __cplusplus >= 201103L
40
41#if _GLIBCXX_USE_C99_FENV_TR1
42
43#undef feclearexcept
44#undef fegetexceptflag
45#undef feraiseexcept
46#undef fesetexceptflag
47#undef fetestexcept
48#undef fegetround
49#undef fesetround
50#undef fegetenv
51#undef feholdexcept
52#undef fesetenv
53#undef feupdateenv
54
55namespace std
56{
57 // types
58 using ::fenv_t;
59 using ::fexcept_t;
60
61 // functions
62 using ::feclearexcept;
63 using ::fegetexceptflag;
64 using ::feraiseexcept;
65 using ::fesetexceptflag;
66 using ::fetestexcept;
67
68 using ::fegetround;
69 using ::fesetround;
70
71 using ::fegetenv;
72 using ::feholdexcept;
73 using ::fesetenv;
74 using ::feupdateenv;
75} // namespace
76
77#endif // _GLIBCXX_USE_C99_FENV_TR1
78
79#endif // C++11
80
81#endif // _GLIBCXX_FENV_H
82