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1/* $OpenBSD: float.h,v 1.1 2012/06/26 16:16:16 deraadt Exp $ */
2
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
32#ifndef _FLOAT_H_
33#define _FLOAT_H_
34
35#include <sys/cdefs.h>
36#include <machine/_float.h>
37
38__BEGIN_DECLS
39int __flt_rounds(void);
40__END_DECLS
41
42#define FLT_RADIX __FLT_RADIX /* b */
43#define FLT_ROUNDS __FLT_ROUNDS
44
45#if __ISO_C_VISIBLE >= 1999
46#define FLT_EVAL_METHOD __FLT_EVAL_METHOD /* long double */
47#endif
48
49#define FLT_MANT_DIG __FLT_MANT_DIG /* p */
50#define FLT_EPSILON __FLT_EPSILON /* b**(1-p) */
51#ifndef FLT_DIG
52#define FLT_DIG __FLT_DIG /* floor((p-1)*log10(b))+(b == 10) */
53#endif
54#define FLT_MIN_EXP __FLT_MIN_EXP /* emin */
55#ifndef FLT_MIN
56#define FLT_MIN __FLT_MIN /* b**(emin-1) */
57#endif
58#define FLT_MIN_10_EXP __FLT_MIN_10_EXP /* ceil(log10(b**(emin-1))) */
59#define FLT_MAX_EXP __FLT_MAX_EXP /* emax */
60#ifndef FLT_MAX
61#define FLT_MAX __FLT_MAX /* (1-b**(-p))*b**emax */
62#endif
63#define FLT_MAX_10_EXP __FLT_MAX_10_EXP /* floor(log10((1-b**(-p))*b**emax)) */
64
65#define DBL_MANT_DIG __DBL_MANT_DIG
66#define DBL_EPSILON __DBL_EPSILON
67#ifndef DBL_DIG
68#define DBL_DIG __DBL_DIG
69#endif
70#define DBL_MIN_EXP __DBL_MIN_EXP
71#ifndef DBL_MIN
72#define DBL_MIN __DBL_MIN
73#endif
74#define DBL_MIN_10_EXP __DBL_MIN_10_EXP
75#define DBL_MAX_EXP __DBL_MAX_EXP
76#ifndef DBL_MAX
77#define DBL_MAX __DBL_MAX
78#endif
79#define DBL_MAX_10_EXP __DBL_MAX_10_EXP
80
81#define LDBL_MANT_DIG __LDBL_MANT_DIG
82#define LDBL_EPSILON __LDBL_EPSILON
83#define LDBL_DIG __LDBL_DIG
84#define LDBL_MIN_EXP __LDBL_MIN_EXP
85#define LDBL_MIN __LDBL_MIN
86#define LDBL_MIN_10_EXP __LDBL_MIN_10_EXP
87#define LDBL_MAX_EXP __LDBL_MAX_EXP
88#define LDBL_MAX __LDBL_MAX
89#define LDBL_MAX_10_EXP __LDBL_MAX_10_EXP
90
91#if __ISO_C_VISIBLE >= 1999
92#define DECIMAL_DIG __DECIMAL_DIG
93#endif
94
95#endif /* _FLOAT_H_ */