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| 1 | /* Old compatibility names for <limits.h> and <float.h> constants. |
|---|---|
| 2 | Copyright (C) 1995-2022 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| 19 | /* This interface is obsolete.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 */ |
| 69 |
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