float.h revision 143857 
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: head/sys/arm/include/float.h 143857 2005-03-20 00:34:24Z cognet $
35 */
36
37#ifndef _MACHINE_FLOAT_H_
38#define _MACHINE_FLOAT_H_ 1
39
40#include <sys/cdefs.h>
41
42__BEGIN_DECLS
43extern int __flt_rounds(void);
44__END_DECLS
45
46#define FLT_RADIX	2		/* b */
47#define FLT_ROUNDS	-1
48#define	FLT_EVAL_METHOD	(-1)		/* XXX */
49#define	DECIMAL_DIG	17		/* max precision in decimal digits */
50
51#define FLT_MANT_DIG	24		/* p */
52#define FLT_EPSILON	1.19209290E-07F	/* b**(1-p) */
53#define FLT_DIG		6		/* floor((p-1)*log10(b))+(b == 10) */
54#define FLT_MIN_EXP	(-125)		/* emin */
55#define FLT_MIN		1.17549435E-38F	/* b**(emin-1) */
56#define FLT_MIN_10_EXP	(-37)		/* ceil(log10(b**(emin-1))) */
57#define FLT_MAX_EXP	128		/* emax */
58#define FLT_MAX		3.40282347E+38F	/* (1-b**(-p))*b**emax */
59#define FLT_MAX_10_EXP	38		/* floor(log10((1-b**(-p))*b**emax)) */
60
61#define DBL_MANT_DIG	53
62#define DBL_EPSILON	2.2204460492503131E-16
63#define DBL_DIG		15
64#define DBL_MIN_EXP	(-1021)
65#define DBL_MIN		2.2250738585072014E-308
66#define DBL_MIN_10_EXP	(-307)
67#define DBL_MAX_EXP	1024
68#define DBL_MAX		1.7976931348623157E+308
69#define DBL_MAX_10_EXP	308
70
71#define LDBL_MANT_DIG	DBL_MANT_DIG
72#define LDBL_EPSILON	DBL_EPSILON
73#define LDBL_DIG	DBL_DIG
74#define LDBL_MIN_EXP	DBL_MIN_EXP
75#define LDBL_MIN	DBL_MIN
76#define LDBL_MIN_10_EXP	DBL_MIN_10_EXP
77#define LDBL_MAX_EXP	DBL_MAX_EXP
78#define LDBL_MAX	DBL_MAX
79#define LDBL_MAX_10_EXP	DBL_MAX_10_EXP
80#endif /* _MACHINE_FLOAT_H_ */
81