projects / unix-history / blame
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|---|---|---|
| 2f616f2c CT |
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 | * | |
| b480239a KB |
9 | * All advertising materials mentioning features or use of this software |
| 10 | * must display the following acknowledgement: | |
| 11 | * This product includes software developed by the University of | |
| 12 | * California, Lawrence Berkeley Laboratories. | |
| 13 | * | |
| 2f616f2c CT |
14 | * %sccs.include.redist.c% |
| 15 | * | |
| b480239a | 16 | * @(#)float.h 7.2 (Berkeley) %G% |
| 2f616f2c CT |
17 | * |
| 18 | * from: $Header: float.h,v 1.2 92/06/17 06:10:17 torek Exp $ | |
| 19 | */ | |
| 20 | ||
| 21 | #define FLT_RADIX 2 /* b */ | |
| 22 | #define FLT_ROUNDS 1 /* add rounds to nearest by default */ | |
| 23 | ||
| 24 | #define FLT_MANT_DIG 24 /* p */ | |
| 25 | #define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ | |
| 26 | #define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ | |
| 27 | #define FLT_MIN_EXP -125 /* emin */ | |
| 28 | #define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ | |
| 29 | #define FLT_MIN_10_EXP -37 /* ceil(log10(b**(emin-1))) */ | |
| 30 | #define FLT_MAX_EXP 128 /* emax */ | |
| 31 | #define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ | |
| 32 | #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ | |
| 33 | ||
| 34 | #define DBL_MANT_DIG 53 | |
| 35 | #define DBL_EPSILON 2.2204460492503131E-16 | |
| 36 | #define DBL_DIG 15 | |
| 37 | #define DBL_MIN_EXP -1021 | |
| 38 | #define DBL_MIN 2.2250738585072014E-308 | |
| 39 | #define DBL_MIN_10_EXP -307 | |
| 40 | #define DBL_MAX_EXP 1024 | |
| 41 | #define DBL_MAX 1.7976931348623157E+308 | |
| 42 | #define DBL_MAX_10_EXP 308 | |
| 43 | ||
| 44 | #define LDBL_MANT_DIG DBL_MANT_DIG | |
| 45 | #define LDBL_EPSILON DBL_EPSILON | |
| 46 | #define LDBL_DIG DBL_DIG | |
| 47 | #define LDBL_MIN_EXP DBL_MIN_EXP | |
| 48 | #define LDBL_MIN DBL_MIN | |
| 49 | #define LDBL_MIN_10_EXP DBL_MIN_10_EXP | |
| 50 | #define LDBL_MAX_EXP DBL_MAX_EXP | |
| 51 | #define LDBL_MAX DBL_MAX | |
| 52 | #define LDBL_MAX_10_EXP DBL_MAX_10_EXP |