float.h revision 1.2 1 1.2 cgd /* $NetBSD: float.h,v 1.2 1994/10/26 08:02:08 cgd Exp $ */
2 1.2 cgd
3 1.1 ragge /*
4 1.1 ragge * Copyright (c) 1989 Regents of the University of California.
5 1.1 ragge * All rights reserved.
6 1.1 ragge *
7 1.1 ragge * Redistribution and use in source and binary forms, with or without
8 1.1 ragge * modification, are permitted provided that the following conditions
9 1.1 ragge * are met:
10 1.1 ragge * 1. Redistributions of source code must retain the above copyright
11 1.1 ragge * notice, this list of conditions and the following disclaimer.
12 1.1 ragge * 2. Redistributions in binary form must reproduce the above copyright
13 1.1 ragge * notice, this list of conditions and the following disclaimer in the
14 1.1 ragge * documentation and/or other materials provided with the distribution.
15 1.1 ragge * 3. All advertising materials mentioning features or use of this software
16 1.1 ragge * must display the following acknowledgement:
17 1.1 ragge * This product includes software developed by the University of
18 1.1 ragge * California, Berkeley and its contributors.
19 1.1 ragge * 4. Neither the name of the University nor the names of its contributors
20 1.1 ragge * may be used to endorse or promote products derived from this software
21 1.1 ragge * without specific prior written permission.
22 1.1 ragge *
23 1.1 ragge * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 1.1 ragge * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 1.1 ragge * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 1.1 ragge * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 1.1 ragge * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 1.1 ragge * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 1.1 ragge * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 1.1 ragge * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 1.1 ragge * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 1.1 ragge * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 1.1 ragge * SUCH DAMAGE.
34 1.1 ragge *
35 1.2 cgd * @(#)float.h 7.2 (Berkeley) 6/28/90
36 1.1 ragge */
37 1.1 ragge
38 1.1 ragge #define FLT_RADIX 2 /* b */
39 1.1 ragge #define FLT_ROUNDS 1 /* FP addition rounds to nearest */
40 1.1 ragge
41 1.1 ragge #define FLT_MANT_DIG 24 /* p */
42 1.1 ragge #define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */
43 1.1 ragge #define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */
44 1.1 ragge #define FLT_MIN_EXP -127 /* emin */
45 1.1 ragge #define FLT_MIN 2.93873588E-39F /* b**(emin-1) */
46 1.1 ragge #define FLT_MIN_10_EXP -38 /* ceil(log10(b**(emin-1))) */
47 1.1 ragge #define FLT_MAX_EXP 127 /* emax */
48 1.1 ragge #define FLT_MAX 1.70141173E+38F /* (1-b**(-p))*b**emax */
49 1.1 ragge #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */
50 1.1 ragge
51 1.1 ragge #define DBL_MANT_DIG 56
52 1.1 ragge #define DBL_EPSILON 2.775557561562891351E-17
53 1.1 ragge #define DBL_DIG 16
54 1.1 ragge #define DBL_MIN_EXP -127
55 1.1 ragge #define DBL_MIN 2.938735877055718770E-39
56 1.1 ragge #define DBL_MIN_10_EXP -38
57 1.1 ragge #define DBL_MAX_EXP 127
58 1.1 ragge #define DBL_MAX 1.701411834604692294E+38
59 1.1 ragge #define DBL_MAX_10_EXP 38
60 1.1 ragge
61 1.1 ragge #define LDBL_MANT_DIG DBL_MANT_DIG
62 1.1 ragge #define LDBL_EPSILON DBL_EPSILON
63 1.1 ragge #define LDBL_DIG DBL_DIG
64 1.1 ragge #define LDBL_MIN_EXP DBL_MIN_EXP
65 1.1 ragge #define LDBL_MIN DBL_MIN
66 1.1 ragge #define LDBL_MIN_10_EXP DBL_MIN_10_EXP
67 1.1 ragge #define LDBL_MAX_EXP DBL_MAX_EXP
68 1.1 ragge #define LDBL_MAX DBL_MAX
69 1.1 ragge #define LDBL_MAX_10_EXP DBL_MAX_10_EXP
70