2 * Copyright (c) 1989 Regents of the University of California.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
33 * from: @(#)float.h 7.1 (Berkeley) 5/8/90
34 * $FreeBSD: src/sys/arm/include/float.h,v 1.5 2005/03/20 00:34:24 cognet Exp $
37 #ifndef _MACHINE_FLOAT_H_
38 #define _MACHINE_FLOAT_H_ 1
40 #include <sys/cdefs.h>
43 extern int __flt_rounds(void);
46 #define FLT_RADIX 2 /* b */
48 #define FLT_EVAL_METHOD (-1) /* XXX */
49 #define DECIMAL_DIG 17 /* max precision in decimal digits */
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)) */
61 #define DBL_MANT_DIG 53
62 #define DBL_EPSILON 2.2204460492503131E-16
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
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_ */