Annotation of sys/arch/amd64/include/float.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: float.h,v 1.2 2006/10/01 18:16:54 kettenis Exp $ */
2: /* $NetBSD: float.h,v 1.8 1995/06/20 20:45:37 jtc Exp $ */
3:
4: /*
5: * Copyright (c) 1989 Regents of the University of California.
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. Neither the name of the University nor the names of its contributors
17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: *
32: * @(#)float.h 7.1 (Berkeley) 5/8/90
33: */
34:
35: #ifndef _I386_FLOAT_H_
36: #define _I386_FLOAT_H_
37:
38: #include <sys/cdefs.h>
39:
40: __BEGIN_DECLS
41: int __flt_rounds(void);
42: __END_DECLS
43:
44: #define FLT_RADIX 2 /* b */
45: #define FLT_ROUNDS __flt_rounds()
46:
47: #define FLT_MANT_DIG 24 /* p */
48: #define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */
49: #define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */
50: #define FLT_MIN_EXP (-125) /* emin */
51: #define FLT_MIN 1.17549435E-38F /* b**(emin-1) */
52: #define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */
53: #define FLT_MAX_EXP 128 /* emax */
54: #define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */
55: #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */
56:
57: #define DBL_MANT_DIG 53
58: #define DBL_EPSILON 2.2204460492503131E-16
59: #define DBL_DIG 15
60: #define DBL_MIN_EXP (-1021)
61: #define DBL_MIN 2.2250738585072014E-308
62: #define DBL_MIN_10_EXP (-307)
63: #define DBL_MAX_EXP 1024
64: #define DBL_MAX 1.7976931348623157E+308
65: #define DBL_MAX_10_EXP 308
66:
67: #define LDBL_MANT_DIG 64
68: #define LDBL_EPSILON 1.08420217248550443401e-19L
69: #define LDBL_DIG 18
70: #define LDBL_MIN_EXP (-16381)
71: #define LDBL_MIN 3.36210314311209350626e-4932L
72: #define LDBL_MIN_10_EXP (-4931)
73: #define LDBL_MAX_EXP 16384
74: #define LDBL_MAX 1.18973149535723176502e+4932L
75: #define LDBL_MAX_10_EXP 4932
76:
77: #endif /* _I386_FLOAT_H_ */
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