1 /* Old compatibility names for <limits.h> and <float.h> constants. 2 Copyright (C) 1995-2021 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 */ 18 19 /* This interface is obsolete.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 */