1 /* 2 * Copyright (c) 1992 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This software was developed by the Computer Systems Engineering group 6 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 7 * contributed to Berkeley. 8 * 9 * %sccs.include.redist.c% 10 * 11 * @(#)float.h 7.1 (Berkeley) 07/13/92 12 * 13 * from: $Header: float.h,v 1.2 92/06/17 06:10:17 torek Exp $ 14 */ 15 16 #define FLT_RADIX 2 /* b */ 17 #define FLT_ROUNDS 1 /* add rounds to nearest by default */ 18 19 #define FLT_MANT_DIG 24 /* p */ 20 #define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ 21 #define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ 22 #define FLT_MIN_EXP -125 /* emin */ 23 #define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ 24 #define FLT_MIN_10_EXP -37 /* ceil(log10(b**(emin-1))) */ 25 #define FLT_MAX_EXP 128 /* emax */ 26 #define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ 27 #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ 28 29 #define DBL_MANT_DIG 53 30 #define DBL_EPSILON 2.2204460492503131E-16 31 #define DBL_DIG 15 32 #define DBL_MIN_EXP -1021 33 #define DBL_MIN 2.2250738585072014E-308 34 #define DBL_MIN_10_EXP -307 35 #define DBL_MAX_EXP 1024 36 #define DBL_MAX 1.7976931348623157E+308 37 #define DBL_MAX_10_EXP 308 38 39 #define LDBL_MANT_DIG DBL_MANT_DIG 40 #define LDBL_EPSILON DBL_EPSILON 41 #define LDBL_DIG DBL_DIG 42 #define LDBL_MIN_EXP DBL_MIN_EXP 43 #define LDBL_MIN DBL_MIN 44 #define LDBL_MIN_10_EXP DBL_MIN_10_EXP 45 #define LDBL_MAX_EXP DBL_MAX_EXP 46 #define LDBL_MAX DBL_MAX 47 #define LDBL_MAX_10_EXP DBL_MAX_10_EXP 48