xref: /csrg-svn/sys/vax/include/float.h (revision 38611)
1*38611Sbostic /*
2*38611Sbostic  * Copyright (c) 1989 Regents of the University of California.
3*38611Sbostic  * All rights reserved.
4*38611Sbostic  *
5*38611Sbostic  * Redistribution and use in source and binary forms are permitted
6*38611Sbostic  * provided that the above copyright notice and this paragraph are
7*38611Sbostic  * duplicated in all such forms and that any documentation,
8*38611Sbostic  * advertising materials, and other materials related to such
9*38611Sbostic  * distribution and use acknowledge that the software was developed
10*38611Sbostic  * by the University of California, Berkeley.  The name of the
11*38611Sbostic  * University may not be used to endorse or promote products derived
12*38611Sbostic  * from this software without specific prior written permission.
13*38611Sbostic  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14*38611Sbostic  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15*38611Sbostic  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16*38611Sbostic  *
17*38611Sbostic  *	@(#)float.h	7.1 (Berkeley) 08/15/89
18*38611Sbostic  */
19*38611Sbostic 
20*38611Sbostic #define FLT_RADIX	2		/* b */
21*38611Sbostic #define FLT_ROUNDS	1		/* FP addition rounds to nearest */
22*38611Sbostic 
23*38611Sbostic #define FLT_MANT_DIG	24		/* p */
24*38611Sbostic #define FLT_EPSILON	1.19209290E-07F	/* b**(1-p) */
25*38611Sbostic #define FLT_DIG		6		/* floor((p-1)*log10(b))+(b == 10) */
26*38611Sbostic #define FLT_MIN_EXP	-127		/* emin */
27*38611Sbostic #define FLT_MIN		2.93873588E-39F	/* b**(emin-1) */
28*38611Sbostic #define FLT_MIN_10_EXP	-38		/* ceil(log10(b**(emin-1))) */
29*38611Sbostic #define FLT_MAX_EXP	127		/* emax */
30*38611Sbostic #define FLT_MAX		1.70141173E+38F	/* (1-b**(-p))*b**emax */
31*38611Sbostic #define FLT_MAX_10_EXP	38		/* floor(log10((1-b**(-p))*b**emax)) */
32*38611Sbostic 
33*38611Sbostic #define DBL_MANT_DIG	56
34*38611Sbostic #define DBL_EPSILON	2.775557561562891351E-17
35*38611Sbostic #define DBL_DIG		16
36*38611Sbostic #define DBL_MIN_EXP	-127
37*38611Sbostic #define DBL_MIN		2.938735877055718770E-39
38*38611Sbostic #define DBL_MIN_10_EXP	-38
39*38611Sbostic #define DBL_MAX_EXP	127
40*38611Sbostic #define DBL_MAX		1.701411834604692294E+38
41*38611Sbostic #define DBL_MAX_10_EXP	38
42*38611Sbostic 
43*38611Sbostic #define LDBL_MANT_DIG	DBL_MANT_DIG
44*38611Sbostic #define LDBL_EPSILON	DBL_EPSILON
45*38611Sbostic #define LDBL_DIG	DBL_DIG
46*38611Sbostic #define LDBL_MIN_EXP	DBL_MIN_EXP
47*38611Sbostic #define LDBL_MIN	DBL_MIN
48*38611Sbostic #define LDBL_MIN_10_EXP	DBL_MIN_10_EXP
49*38611Sbostic #define LDBL_MAX_EXP	DBL_MAX_EXP
50*38611Sbostic #define LDBL_MAX	DBL_MAX
51*38611Sbostic #define LDBL_MAX_10_EXP	DBL_MAX_10_EXP
52