libstdc++
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00001 // -*- C++ -*- forwarding header. 00002 00003 // Copyright (C) 1997-2013 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/cfloat 00026 * This is a Standard C++ Library file. You should @c \#include this file 00027 * in your programs, rather than any of the @a *.h implementation files. 00028 * 00029 * This is the C++ version of the Standard C Library header @c float.h, 00030 * and its contents are (mostly) the same as that header, but are all 00031 * contained in the namespace @c std (except for names which are defined 00032 * as macros in C). 00033 */ 00034 00035 // 00036 // ISO C++ 14882: 18.2.2 Implementation properties: C library 00037 // 00038 00039 #pragma GCC system_header 00040 00041 #include <float.h> 00042 00043 #ifndef _GLIBCXX_CFLOAT 00044 #define _GLIBCXX_CFLOAT 1 00045 00046 #if __cplusplus >= 201103L 00047 # ifndef DECIMAL_DIG 00048 # define DECIMAL_DIG __DECIMAL_DIG__ 00049 # endif 00050 # ifndef FLT_EVAL_METHOD 00051 # define FLT_EVAL_METHOD __FLT_EVAL_METHOD__ 00052 # endif 00053 #endif 00054 00055 #endif