xref: /netbsd-src/sys/arch/vax/include/float.h (revision da5f4674a3fc214be3572d358b66af40ab9401e7)
1 /*	$NetBSD: float.h,v 1.6 2003/08/07 16:30:09 agc Exp $	*/
2 
3 /*
4  * Copyright (c) 1989 Regents of the University of California.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  *	@(#)float.h     7.2 (Berkeley) 6/28/90
32  */
33 
34 #ifndef _VAX_FLOAT_H_
35 #define _VAX_FLOAT_H_
36 
37 #define FLT_RADIX	2		/* b */
38 #define FLT_ROUNDS	1		/* FP addition rounds to nearest */
39 
40 #define FLT_MANT_DIG	24		/* p */
41 #define FLT_EPSILON	1.19209290E-7F	/* b**(1-p) */
42 #define FLT_DIG		6		/* floor((p-1)*log10(b))+(b == 10) */
43 #define FLT_MIN_EXP	(-127)		/* emin */
44 #define FLT_MIN		2.93873588E-39F	/* b**(emin-1) */
45 #define FLT_MIN_10_EXP	(-38)		/* ceil(log10(b**(emin-1))) */
46 #define FLT_MAX_EXP	127		/* emax */
47 #define FLT_MAX		1.70141173E+38F	/* (1-b**(-p))*b**emax */
48 #define FLT_MAX_10_EXP	38		/* floor(log10((1-b**(-p))*b**emax)) */
49 
50 #define DBL_MANT_DIG	56
51 #define DBL_EPSILON	2.77555756156289135E-17
52 #define DBL_DIG		16
53 #define DBL_MIN_EXP	(-127)
54 #define DBL_MIN		2.938735877055718770E-39
55 #define DBL_MIN_10_EXP	(-38)
56 #define DBL_MAX_EXP	127
57 #define DBL_MAX		1.701411834604692294E+38
58 #define DBL_MAX_10_EXP	38
59 
60 #define LDBL_MANT_DIG	DBL_MANT_DIG
61 #define LDBL_EPSILON	DBL_EPSILON
62 #define LDBL_DIG	DBL_DIG
63 #define LDBL_MIN_EXP	DBL_MIN_EXP
64 #define LDBL_MIN	DBL_MIN
65 #define LDBL_MIN_10_EXP	DBL_MIN_10_EXP
66 #define LDBL_MAX_EXP	DBL_MAX_EXP
67 #define LDBL_MAX	DBL_MAX
68 #define LDBL_MAX_10_EXP	DBL_MAX_10_EXP
69 
70 #endif	/* _VAX_FLOAT_H_ */
71