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1/* Old compatibility names for <limits.h> and <float.h> constants.
2 Copyright (C) 1995-2025 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19/* This interface is obsolete. New programs should use
20 <limits.h> and/or <float.h> instead of <values.h>. */
21
22#ifndef _VALUES_H
23#define _VALUES_H 1
24
25#include <features.h>
26
27#include <limits.h>
28
29#define _TYPEBITS(type) (sizeof (type) * CHAR_BIT)
30
31#define CHARBITS _TYPEBITS (char)
32#define SHORTBITS _TYPEBITS (short int)
33#define INTBITS _TYPEBITS (int)
34#define LONGBITS _TYPEBITS (long int)
35#define PTRBITS _TYPEBITS (char *)
36#define DOUBLEBITS _TYPEBITS (double)
37#define FLOATBITS _TYPEBITS (float)
38
39#define MINSHORT SHRT_MIN
40#define MININT INT_MIN
41#define MINLONG LONG_MIN
42
43#define MAXSHORT SHRT_MAX
44#define MAXINT INT_MAX
45#define MAXLONG LONG_MAX
46
47#define HIBITS MINSHORT
48#define HIBITL MINLONG
49
50
51#include <float.h>
52
53#define MAXDOUBLE DBL_MAX
54#define MAXFLOAT FLT_MAX
55#define MINDOUBLE DBL_MIN
56#define MINFLOAT FLT_MIN
57#define DMINEXP DBL_MIN_EXP
58#define FMINEXP FLT_MIN_EXP
59#define DMAXEXP DBL_MAX_EXP
60#define FMAXEXP FLT_MAX_EXP
61
62
63#ifdef __USE_MISC
64/* Some systems define this name instead of CHAR_BIT or CHARBITS. */
65# define BITSPERBYTE CHAR_BIT
66#endif
67
68#endif /* values.h */