master
1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1989 Regents of the University of California.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * from: @(#)float.h 7.1 (Berkeley) 5/8/90
32 * from: FreeBSD: src/sys/i386/include/float.h,v 1.8 1999/08/28 00:44:11
33 */
34
35#ifndef _MACHINE_FLOAT_H_
36#define _MACHINE_FLOAT_H_ 1
37
38#include <sys/cdefs.h>
39
40#ifndef _SOFT_FLOAT
41__BEGIN_DECLS
42extern int __flt_rounds(void);
43__END_DECLS
44#define FLT_ROUNDS __flt_rounds()
45#else
46#define FLT_ROUNDS (-1)
47#endif
48
49#define FLT_RADIX 2 /* b */
50#if __ISO_C_VISIBLE >= 1999
51#define FLT_EVAL_METHOD 0
52#define DECIMAL_DIG 17 /* max precision in decimal digits */
53#endif
54
55#define FLT_MANT_DIG 24 /* p */
56#define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */
57#define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */
58#define FLT_MIN_EXP (-125) /* emin */
59#define FLT_MIN 1.17549435E-38F /* b**(emin-1) */
60#define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */
61#define FLT_MAX_EXP 128 /* emax */
62#define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */
63#define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */
64#if __ISO_C_VISIBLE >= 2011
65#define FLT_TRUE_MIN 1.40129846E-45F /* b**(emin-p) */
66#define FLT_DECIMAL_DIG 9 /* ceil(1+p*log10(b)) */
67#define FLT_HAS_SUBNORM 1
68#endif /* __ISO_C_VISIBLE >= 2011 */
69
70#define DBL_MANT_DIG 53
71#define DBL_EPSILON 2.2204460492503131E-16
72#define DBL_DIG 15
73#define DBL_MIN_EXP (-1021)
74#define DBL_MIN 2.2250738585072014E-308
75#define DBL_MIN_10_EXP (-307)
76#define DBL_MAX_EXP 1024
77#define DBL_MAX 1.7976931348623157E+308
78#define DBL_MAX_10_EXP 308
79#if __ISO_C_VISIBLE >= 2011
80#define DBL_TRUE_MIN 4.9406564584124654E-324
81#define DBL_DECIMAL_DIG 17
82#define DBL_HAS_SUBNORM 1
83#endif /* __ISO_C_VISIBLE >= 2011 */
84
85#define LDBL_MANT_DIG DBL_MANT_DIG
86#define LDBL_EPSILON ((long double)DBL_EPSILON)
87#define LDBL_DIG DBL_DIG
88#define LDBL_MIN_EXP DBL_MIN_EXP
89#define LDBL_MIN ((long double)DBL_MIN)
90#define LDBL_MIN_10_EXP DBL_MIN_10_EXP
91#define LDBL_MAX_EXP DBL_MAX_EXP
92#define LDBL_MAX ((long double)DBL_MAX)
93#define LDBL_MAX_10_EXP DBL_MAX_10_EXP
94#if __ISO_C_VISIBLE >= 2011
95#define LDBL_TRUE_MIN ((long double)DBL_TRUE_MIN)
96#define LDBL_DECIMAL_DIG DBL_DECIMAL_DIG
97#define LDBL_HAS_SUBNORM DBL_HAS_SUBNORM
98#endif /* __ISO_C_VISIBLE >= 2011 */
99
100#endif /* _MACHINE_FLOAT_H_ */