The first commit of a series of 6 commits for the amd64 port.
[dragonfly.git] / sys / cpu / amd64 / include / float.h
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1/*
2 * Copyright (c) 1989 Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * from: @(#)float.h 7.1 (Berkeley) 5/8/90
34 * $FreeBSD: src/sys/amd64/include/float.h,v 1.10 2003/02/08 20:37:54 mike Exp $
35 * $DragonFly: src/sys/cpu/amd64/include/float.h,v 1.1 2007/08/21 19:40:24 corecode Exp $
36 */
37
38#ifndef _CPU_FLOAT_H_
39#define _CPU_FLOAT_H_
40
41#define FLT_RADIX 2 /* b */
42#define FLT_ROUNDS 1 /* FP addition rounds to nearest */
43#define FLT_EVAL_METHOD (-1) /* i387 semantics are...interesting */
44#define DECIMAL_DIG 21 /* max precision in decimal digits */
45
46#define FLT_MANT_DIG 24 /* p */
47#define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */
48#define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */
49#define FLT_MIN_EXP (-125) /* emin */
50#define FLT_MIN 1.17549435E-38F /* b**(emin-1) */
51#define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */
52#define FLT_MAX_EXP 128 /* emax */
53#define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */
54#define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */
55
56#define DBL_MANT_DIG 53
57#define DBL_EPSILON 2.2204460492503131E-16
58#define DBL_DIG 15
59#define DBL_MIN_EXP (-1021)
60#define DBL_MIN 2.2250738585072014E-308
61#define DBL_MIN_10_EXP (-307)
62#define DBL_MAX_EXP 1024
63#define DBL_MAX 1.7976931348623157E+308
64#define DBL_MAX_10_EXP 308
65
66
67#define LDBL_MANT_DIG 64
68#define LDBL_EPSILON 1.0842021724855044340E-19L
69#define LDBL_DIG 18
70#define LDBL_MIN_EXP (-16381)
71#define LDBL_MIN 3.3621031431120935063E-4932L
72#define LDBL_MIN_10_EXP (-4931)
73#define LDBL_MAX_EXP 16384
74#define LDBL_MAX 1.1897314953572317650E+4932L
75#define LDBL_MAX_10_EXP 4932
76#endif /* _CPU_FLOAT_H_ */