libstdc++
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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, 2010 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 @a *.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