Annotation of sys/arch/vax/include/float.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: float.h,v 1.6 2003/06/02 23:27:57 millert Exp $ */
2: /* $NetBSD: float.h,v 1.5 1998/10/10 02:13:55 matt Exp $ */
3:
4: /*
5: * Copyright (c) 1989 Regents of the University of California.
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. Neither the name of the University nor the names of its contributors
17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: *
32: * @(#)float.h 7.2 (Berkeley) 6/28/90
33: */
34:
35: #ifndef _VAX_FLOAT_H_
36: #define _VAX_FLOAT_H_
37:
38: #define FLT_RADIX 2 /* b */
39: #define FLT_ROUNDS 1 /* FP addition rounds to nearest */
40:
41: #define FLT_MANT_DIG 24 /* p */
42: #define FLT_EPSILON 1.19209290E-7F /* b**(1-p) */
43: #define FLT_MIN_EXP (-127) /* emin */
44: #define FLT_MIN_10_EXP (-38) /* ceil(log10(b**(emin-1))) */
45: #define FLT_MAX_EXP 127 /* emax */
46: #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */
47:
48: #define DBL_MANT_DIG 56
49: #define DBL_EPSILON 2.77555756156289135E-17
50: #define DBL_MIN_EXP (-127)
51: #define DBL_MIN_10_EXP (-38)
52: #define DBL_MAX_EXP 127
53: #define DBL_MAX_10_EXP 38
54:
55: /* limits.h also defines this */
56: #if !defined(FLT_DIG)
57: # define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */
58: # define FLT_MIN 2.93873588E-39F /* b**(emin-1) */
59: # define FLT_MAX 1.70141173E+38F /* (1-b**(-p))*b**emax */
60: # define DBL_DIG 16
61: # define DBL_MIN 2.938735877055718770E-39
62: # define DBL_MAX 1.701411834604692294E+38
63: #endif
64:
65: #define LDBL_MANT_DIG DBL_MANT_DIG
66: #define LDBL_EPSILON DBL_EPSILON
67: #define LDBL_DIG DBL_DIG
68: #define LDBL_MIN_EXP DBL_MIN_EXP
69: #define LDBL_MIN DBL_MIN
70: #define LDBL_MIN_10_EXP DBL_MIN_10_EXP
71: #define LDBL_MAX_EXP DBL_MAX_EXP
72: #define LDBL_MAX DBL_MAX
73: #define LDBL_MAX_10_EXP DBL_MAX_10_EXP
74:
75: #endif /* _VAX_FLOAT_H_ */
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