Annotation of sys/arch/alpha/include/float.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: float.h,v 1.6 2003/06/02 23:27:43 millert Exp $ */
2: /* $NetBSD: float.h,v 1.4 1995/06/20 20:45:22 jtc Exp $ */
3:
4: /*
5: * Copyright (c) 1989, 1993
6: * The Regents of the University of California. 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:
33: #ifndef _ALPHA_FLOAT_H_
34: #define _ALPHA_FLOAT_H_
35:
36: #include <sys/cdefs.h>
37:
38: __BEGIN_DECLS
39: int __flt_rounds(void);
40: __END_DECLS
41:
42: #define FLT_RADIX 2 /* b */
43: #define FLT_ROUNDS __flt_rounds()
44:
45: #define FLT_MANT_DIG 24 /* p */
46: #define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */
47: #define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */
48: #define FLT_MIN_EXP -125 /* emin */
49: #define FLT_MIN 1.17549435E-38F /* b**(emin-1) */
50: #define FLT_MIN_10_EXP -37 /* ceil(log10(b**(emin-1))) */
51: #define FLT_MAX_EXP 128 /* emax */
52: #define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */
53: #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */
54:
55: #define DBL_MANT_DIG 53
56: #define DBL_EPSILON 2.2204460492503131E-16
57: #define DBL_DIG 15
58: #define DBL_MIN_EXP -1021
59: #define DBL_MIN 2.2250738585072014E-308
60: #define DBL_MIN_10_EXP -307
61: #define DBL_MAX_EXP 1024
62: #define DBL_MAX 1.7976931348623157E+308
63: #define DBL_MAX_10_EXP 308
64:
65: #define LDBL_MANT_DIG DBL_MANT_DIG
66: #define LDBL_EPSILON DBL_EPSILON
67: #define LDBL_DIG DBL_DIG
68: #define LDBL_MIN_EXP DBL_MIN_EXP
69: #define LDBL_MIN DBL_MIN
70: #define LDBL_MIN_10_EXP DBL_MIN_10_EXP
71: #define LDBL_MAX_EXP DBL_MAX_EXP
72: #define LDBL_MAX DBL_MAX
73: #define LDBL_MAX_10_EXP DBL_MAX_10_EXP
74:
75: #endif /* _ALPHA_FLOAT_H_ */
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