# cfenv

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    00001 // <cfenv> -*- C++ -*-
    00002
    00003 // Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
    00004 //
    00005 // This file is part of the GNU ISO C++ Library.  This library is free
    00006 // software; you can redistribute it and/or modify it under the
    00007 // terms of the GNU General Public License as published by the
    00008 // Free Software Foundation; either version 3, or (at your option)
    00009 // any later version.
    00010
    00011 // This library is distributed in the hope that it will be useful,
    00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of
    00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00014 // GNU General Public License for more details.
    00015
    00016 // Under Section 7 of GPL version 3, you are granted additional
    00017 // permissions described in the GCC Runtime Library Exception, version
    00018 // 3.1, as published by the Free Software Foundation.
    00019
    00020 // You should have received a copy of the GNU General Public License and
    00021 // a copy of the GCC Runtime Library Exception along with this program;
    00022 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
    00023 // <http://www.gnu.org/licenses/>.
    00024
    00025 /** @file include/cfenv
    00026  *  This is a Standard C++ Library header.
    00027  */
    00028
    00029 #ifndef _GLIBCXX_CFENV
    00030 #define _GLIBCXX_CFENV 1
    00031
    00032 #pragma GCC system_header
    00033
    00034 #ifndef __GXX_EXPERIMENTAL_CXX0X__
    00035 # include <bits/c++0x_warning.h>
    00036 #endif
    00037
    00038 #if defined(_GLIBCXX_INCLUDE_AS_TR1)
    00039 #  error C++0x header cannot be included from TR1 header
    00040 #endif
    00041
    00042 #include <bits/c++config.h>
    00043 #if _GLIBCXX_HAVE_FENV_H
    00044 # include <fenv.h>
    00045 #endif
    00046
    00047 #if defined(_GLIBCXX_INCLUDE_AS_CXX0X)
    00048 #  include <tr1_impl/cfenv>
    00049 #else
    00050 #  define _GLIBCXX_INCLUDE_AS_CXX0X
    00051 #  define _GLIBCXX_BEGIN_NAMESPACE_TR1
    00052 #  define _GLIBCXX_END_NAMESPACE_TR1
    00053 #  define _GLIBCXX_TR1
    00054 #  include <tr1_impl/cfenv>
    00055 #  undef _GLIBCXX_TR1
    00056 #  undef _GLIBCXX_END_NAMESPACE_TR1
    00057 #  undef _GLIBCXX_BEGIN_NAMESPACE_TR1
    00058 #  undef _GLIBCXX_INCLUDE_AS_CXX0X
    00059 #endif
    00060
    00061 #endif // _GLIBCXX_CFENV