1 /* 2 * Copyright (c) 1989 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 * 17 * @(#)float.h 7.1 (Berkeley) 08/15/89 18 */ 19 20 #define FLT_RADIX 2 /* b */ 21 #define FLT_ROUNDS 1 /* FP addition rounds to nearest */ 22 23 #define FLT_MANT_DIG 24 /* p */ 24 #define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ 25 #define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ 26 #define FLT_MIN_EXP -127 /* emin */ 27 #define FLT_MIN 2.93873588E-39F /* b**(emin-1) */ 28 #define FLT_MIN_10_EXP -38 /* ceil(log10(b**(emin-1))) */ 29 #define FLT_MAX_EXP 127 /* emax */ 30 #define FLT_MAX 1.70141173E+38F /* (1-b**(-p))*b**emax */ 31 #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ 32 33 #define DBL_MANT_DIG 56 34 #define DBL_EPSILON 2.775557561562891351E-17 35 #define DBL_DIG 16 36 #define DBL_MIN_EXP -127 37 #define DBL_MIN 2.938735877055718770E-39 38 #define DBL_MIN_10_EXP -38 39 #define DBL_MAX_EXP 127 40 #define DBL_MAX 1.701411834604692294E+38 41 #define DBL_MAX_10_EXP 38 42 43 #define LDBL_MANT_DIG DBL_MANT_DIG 44 #define LDBL_EPSILON DBL_EPSILON 45 #define LDBL_DIG DBL_DIG 46 #define LDBL_MIN_EXP DBL_MIN_EXP 47 #define LDBL_MIN DBL_MIN 48 #define LDBL_MIN_10_EXP DBL_MIN_10_EXP 49 #define LDBL_MAX_EXP DBL_MAX_EXP 50 #define LDBL_MAX DBL_MAX 51 #define LDBL_MAX_10_EXP DBL_MAX_10_EXP 52