1// TR1 cfenv -*- C++ -*-
2
3// Copyright (C) 2006-2020 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 tr1/cfenv
26 *  This is a TR1 C++ Library header.
27 */
28
29#ifndef _GLIBCXX_TR1_CFENV
30#define _GLIBCXX_TR1_CFENV 1
31
32#pragma GCC system_header
33
34#include <bits/c++config.h>
35
36#if _GLIBCXX_HAVE_FENV_H
37# include <fenv.h>
38#endif
39
40#ifdef _GLIBCXX_USE_C99_FENV_TR1
41
42#undef feclearexcept
43#undef fegetexceptflag
44#undef feraiseexcept
45#undef fesetexceptflag
46#undef fetestexcept
47#undef fegetround
48#undef fesetround
49#undef fegetenv
50#undef feholdexcept
51#undef fesetenv
52#undef feupdateenv
53
54namespace std _GLIBCXX_VISIBILITY(default)
55{
56_GLIBCXX_BEGIN_NAMESPACE_VERSION
57
58namespace tr1
59{
60  // types
61  using ::fenv_t;
62  using ::fexcept_t;
63
64  // functions
65  using ::feclearexcept;
66  using ::fegetexceptflag;
67  using ::feraiseexcept;
68  using ::fesetexceptflag;
69  using ::fetestexcept;
70
71  using ::fegetround;
72  using ::fesetround;
73
74  using ::fegetenv;
75  using ::feholdexcept;
76  using ::fesetenv;
77  using ::feupdateenv;
78}
79
80_GLIBCXX_END_NAMESPACE_VERSION
81}
82
83#endif // _GLIBCXX_USE_C99_FENV_TR1
84
85#endif // _GLIBCXX_TR1_CFENV
86