1 // -*- C++ -*- forwarding header. 2 3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 4 // 2006, 2007, 2008, 2009, 2010 5 // Free Software Foundation, Inc. 6 // 7 // This file is part of the GNU ISO C++ Library. This library is free 8 // software; you can redistribute it and/or modify it under the 9 // terms of the GNU General Public License as published by the 10 // Free Software Foundation; either version 3, or (at your option) 11 // any later version. 12 13 // This library is distributed in the hope that it will be useful, 14 // but WITHOUT ANY WARRANTY; without even the implied warranty of 15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 // GNU General Public License for more details. 17 18 // Under Section 7 of GPL version 3, you are granted additional 19 // permissions described in the GCC Runtime Library Exception, version 20 // 3.1, as published by the Free Software Foundation. 21 22 // You should have received a copy of the GNU General Public License and 23 // a copy of the GCC Runtime Library Exception along with this program; 24 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 25 // <http://www.gnu.org/licenses/>. 26 27 /** @file include/cfloat 28 * This is a Standard C++ Library file. You should @c \#include this file 29 * in your programs, rather than any of the @a *.h implementation files. 30 * 31 * This is the C++ version of the Standard C Library header @c float.h, 32 * and its contents are (mostly) the same as that header, but are all 33 * contained in the namespace @c std (except for names which are defined 34 * as macros in C). 35 */ 36 37 // 38 // ISO C++ 14882: 18.2.2 Implementation properties: C library 39 // 40 41 #pragma GCC system_header 42 43 #include <float.h> 44 45 #ifndef _GLIBCXX_CFLOAT 46 #define _GLIBCXX_CFLOAT 1 47 48 #ifdef __GXX_EXPERIMENTAL_CXX0X__ 49 # if defined(_GLIBCXX_INCLUDE_AS_TR1) 50 # error C++0x header cannot be included from TR1 header 51 # endif 52 # ifndef DECIMAL_DIG 53 # define DECIMAL_DIG __DECIMAL_DIG__ 54 # endif 55 # ifndef FLT_EVAL_METHOD 56 # define FLT_EVAL_METHOD __FLT_EVAL_METHOD__ 57 # endif 58 #endif 59 60 #endif 61
