xref: /netbsd/sys/arch/mips/include/float.h (revision bf9ec67e)
1 /*	$NetBSD: float.h,v 1.11 2000/03/28 02:58:45 simonb Exp $	*/
2 
3 /*
4  * Copyright (c) 1989, 1993
5  *	The Regents of the University of California.  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. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  *	@(#)float.h	8.1 (Berkeley) 6/10/93
36  */
37 
38 #ifndef _MIPS_FLOAT_H_
39 #define _MIPS_FLOAT_H_
40 
41 #include <sys/cdefs.h>
42 
43 __BEGIN_DECLS
44 int __flt_rounds __P((void));
45 __END_DECLS
46 
47 #define FLT_RADIX	2		/* b */
48 #define FLT_ROUNDS	__flt_rounds()
49 
50 #define FLT_MANT_DIG	24		/* p */
51 #define FLT_EPSILON	1.19209290E-7F	/* b**(1-p) */
52 #define FLT_DIG		6		/* floor((p-1)*log10(b))+(b == 10) */
53 #define FLT_MIN_EXP	(-125)		/* emin */
54 #define FLT_MIN		1.17549435E-38F	/* b**(emin-1) */
55 #define FLT_MIN_10_EXP	(-37)		/* ceil(log10(b**(emin-1))) */
56 #define FLT_MAX_EXP	128		/* emax */
57 #define FLT_MAX		3.40282347E+38F	/* (1-b**(-p))*b**emax */
58 #define FLT_MAX_10_EXP	38		/* floor(log10((1-b**(-p))*b**emax)) */
59 
60 #define DBL_MANT_DIG	53
61 #define DBL_EPSILON	2.2204460492503131E-16
62 #define DBL_DIG		15
63 #define DBL_MIN_EXP	(-1021)
64 #define DBL_MIN		2.2250738585072014E-308
65 #define DBL_MIN_10_EXP	(-307)
66 #define DBL_MAX_EXP	1024
67 #define DBL_MAX		1.7976931348623157E+308
68 #define DBL_MAX_10_EXP	308
69 
70 #define LDBL_MANT_DIG	DBL_MANT_DIG
71 #define LDBL_EPSILON	DBL_EPSILON
72 #define LDBL_DIG	DBL_DIG
73 #define LDBL_MIN_EXP	DBL_MIN_EXP
74 #define LDBL_MIN	DBL_MIN
75 #define LDBL_MIN_10_EXP	DBL_MIN_10_EXP
76 #define LDBL_MAX_EXP	DBL_MAX_EXP
77 #define LDBL_MAX	DBL_MAX
78 #define LDBL_MAX_10_EXP	DBL_MAX_10_EXP
79 
80 #endif	/* _MIPS_FLOAT_H_ */
81