cfloat

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00001 // -*- C++ -*- forwarding header.
00002 
00003 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
00004 // 2006, 2007, 2008, 2009
00005 // Free Software Foundation, Inc.
00006 //
00007 // This file is part of the GNU ISO C++ Library.  This library is free
00008 // software; you can redistribute it and/or modify it under the
00009 // terms of the GNU General Public License as published by the
00010 // Free Software Foundation; either version 3, or (at your option)
00011 // any later version.
00012 
00013 // This library is distributed in the hope that it will be useful,
00014 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00015 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016 // GNU General Public License for more details.
00017 
00018 // Under Section 7 of GPL version 3, you are granted additional
00019 // permissions described in the GCC Runtime Library Exception, version
00020 // 3.1, as published by the Free Software Foundation.
00021 
00022 // You should have received a copy of the GNU General Public License and
00023 // a copy of the GCC Runtime Library Exception along with this program;
00024 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
00025 // <http://www.gnu.org/licenses/>.
00026 
00027 /** @file include/cfloat
00028  *  This is a Standard C++ Library file.  You should @c #include this file
00029  *  in your programs, rather than any of the "*.h" implementation files.
00030  *
00031  *  This is the C++ version of the Standard C Library header @c float.h,
00032  *  and its contents are (mostly) the same as that header, but are all
00033  *  contained in the namespace @c std (except for names which are defined
00034  *  as macros in C).
00035  */
00036 
00037 //
00038 // ISO C++ 14882: 18.2.2  Implementation properties: C library
00039 //
00040 
00041 #pragma GCC system_header
00042 
00043 #include <float.h>
00044 
00045 #ifndef _GLIBCXX_CFLOAT
00046 #define _GLIBCXX_CFLOAT 1
00047 
00048 #ifdef __GXX_EXPERIMENTAL_CXX0X__
00049 #  if defined(_GLIBCXX_INCLUDE_AS_TR1)
00050 #    error C++0x header cannot be included from TR1 header
00051 #  endif
00052 #  ifndef DECIMAL_DIG
00053 #    define DECIMAL_DIG __DECIMAL_DIG__
00054 #  endif
00055 #  ifndef FLT_EVAL_METHOD
00056 #    define FLT_EVAL_METHOD __FLT_EVAL_METHOD__
00057 #  endif
00058 #endif
00059 
00060 #endif

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