1 /* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)float.h 8.1 (Berkeley) 06/10/93 8 */ 9 10 #define FLT_RADIX 2 /* b */ 11 #define FLT_ROUNDS 1 /* FP addition rounds to nearest */ 12 13 #define FLT_MANT_DIG 24 /* p */ 14 #define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ 15 #define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ 16 #define FLT_MIN_EXP -125 /* emin */ 17 #define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ 18 #define FLT_MIN_10_EXP -37 /* ceil(log10(b**(emin-1))) */ 19 #define FLT_MAX_EXP 128 /* emax */ 20 #define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ 21 #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ 22 23 #define DBL_MANT_DIG 53 24 #define DBL_EPSILON 2.2204460492503131E-16 25 #define DBL_DIG 15 26 #define DBL_MIN_EXP -1021 27 #define DBL_MIN 2.225073858507201E-308 28 #define DBL_MIN_10_EXP -307 29 #define DBL_MAX_EXP 1024 30 #define DBL_MAX 1.797693134862316E+308 31 #define DBL_MAX_10_EXP 308 32 33 #define LDBL_MANT_DIG DBL_MANT_DIG 34 #define LDBL_EPSILON DBL_EPSILON 35 #define LDBL_DIG DBL_DIG 36 #define LDBL_MIN_EXP DBL_MIN_EXP 37 #define LDBL_MIN DBL_MIN 38 #define LDBL_MIN_10_EXP DBL_MIN_10_EXP 39 #define LDBL_MAX_EXP DBL_MAX_EXP 40 #define LDBL_MAX DBL_MAX 41 #define LDBL_MAX_10_EXP DBL_MAX_10_EXP 42