1// -*- C++ -*- compatibility header.
2
3// Copyright (C) 2007, 2008, 2009 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#ifdef __GXX_EXPERIMENTAL_CXX0X__
40#  if defined(_GLIBCXX_INCLUDE_AS_TR1)
41#    error C++0x header cannot be included from TR1 header
42#  endif
43#  if defined(_GLIBCXX_INCLUDE_AS_CXX0X)
44#    include <tr1_impl/cfenv>
45#  else
46#    define _GLIBCXX_INCLUDE_AS_CXX0X
47#    define _GLIBCXX_BEGIN_NAMESPACE_TR1
48#    define _GLIBCXX_END_NAMESPACE_TR1
49#    define _GLIBCXX_TR1
50#    include <tr1_impl/cfenv>
51#    undef _GLIBCXX_TR1
52#    undef _GLIBCXX_END_NAMESPACE_TR1
53#    undef _GLIBCXX_BEGIN_NAMESPACE_TR1
54#    undef _GLIBCXX_INCLUDE_AS_CXX0X
55#  endif
56#endif
57
58#endif // _GLIBCXX_FENV_H
59