master
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. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * from: @(#)float.h 7.1 (Berkeley) 5/8/90
30 */
31
32#ifndef _MACHINE_FLOAT_H_
33#define _MACHINE_FLOAT_H_
34
35#include <sys/cdefs.h>
36
37__BEGIN_DECLS
38extern int __flt_rounds(void);
39__END_DECLS
40
41#define FLT_RADIX 2 /* b */
42#define FLT_ROUNDS __flt_rounds()
43#if __ISO_C_VISIBLE >= 1999
44#define FLT_EVAL_METHOD 0
45#define DECIMAL_DIG 17 /* max precision in decimal digits */
46#endif
47
48#define FLT_MANT_DIG 24 /* p */
49#define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */
50#define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */
51#define FLT_MIN_EXP (-125) /* emin */
52#define FLT_MIN 1.17549435E-38F /* b**(emin-1) */
53#define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */
54#define FLT_MAX_EXP 128 /* emax */
55#define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */
56#define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */
57#if __ISO_C_VISIBLE >= 2011
58#define FLT_TRUE_MIN 1.40129846E-45F /* b**(emin-p) */
59#define FLT_DECIMAL_DIG 9 /* ceil(1+p*log10(b)) */
60#define FLT_HAS_SUBNORM 1
61#endif /* __ISO_C_VISIBLE >= 2011 */
62
63#define DBL_MANT_DIG 53
64#define DBL_EPSILON 2.2204460492503131E-16
65#define DBL_DIG 15
66#define DBL_MIN_EXP (-1021)
67#define DBL_MIN 2.2250738585072014E-308
68#define DBL_MIN_10_EXP (-307)
69#define DBL_MAX_EXP 1024
70#define DBL_MAX 1.7976931348623157E+308
71#define DBL_MAX_10_EXP 308
72#if __ISO_C_VISIBLE >= 2011
73#define DBL_TRUE_MIN 4.9406564584124654E-324
74#define DBL_DECIMAL_DIG 17
75#define DBL_HAS_SUBNORM 1
76#endif /* __ISO_C_VISIBLE >= 2011 */
77
78#define LDBL_MANT_DIG 113
79#define LDBL_EPSILON 1.925929944387235853055977942584927319E-34L
80#define LDBL_DIG 33
81#define LDBL_MIN_EXP (-16381)
82#define LDBL_MIN 3.362103143112093506262677817321752603E-4932L
83#define LDBL_MIN_10_EXP (-4931)
84#define LDBL_MAX_EXP (+16384)
85#define LDBL_MAX 1.189731495357231765085759326628007016E+4932L
86#define LDBL_MAX_10_EXP (+4932)
87#if __ISO_C_VISIBLE >= 2011
88#define LDBL_TRUE_MIN 6.475175119438025110924438958227646552E-4966L
89#define LDBL_DECIMAL_DIG 36
90#define LDBL_HAS_SUBNORM 1
91#endif /* __ISO_C_VISIBLE >= 2011 */
92
93#endif /* _MACHINE_FLOAT_H_ */