libstdc++

cfloat
Go to the documentation of this file.
1 // -*- C++ -*- forwarding header.
2
3 // Copyright (C) 1997-2013 Free Software Foundation, Inc.
4 //
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
9 // any later version.
10
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
15
16 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
19
20 // You should have received a copy of the GNU General Public License and
21 // a copy of the GCC Runtime Library Exception along with this program;
22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 // <http://www.gnu.org/licenses/>.
24
25 /** @file include/cfloat
26 * This is a Standard C++ Library file. You should @c \#include this file
27 * in your programs, rather than any of the @a *.h implementation files.
28 *
29 * This is the C++ version of the Standard C Library header @c float.h,
30 * and its contents are (mostly) the same as that header, but are all
31 * contained in the namespace @c std (except for names which are defined
32 * as macros in C).
33 */
34
35 //
36 // ISO C++ 14882: 18.2.2 Implementation properties: C library
37 //
38
39 #pragma GCC system_header
40
41 #include <float.h>
42
43 #ifndef _GLIBCXX_CFLOAT
44 #define _GLIBCXX_CFLOAT 1
45
46 #if __cplusplus >= 201103L
47 # ifndef DECIMAL_DIG
48 # define DECIMAL_DIG __DECIMAL_DIG__
49 # endif
50 # ifndef FLT_EVAL_METHOD
51 # define FLT_EVAL_METHOD __FLT_EVAL_METHOD__
52 # endif
53 #endif
54
55 #endif