xref: /freebsd/sys/arm64/include/float.h (revision 29363fb446372cb3f10bc98664e9767c53fbb457)
1412042e2SAndrew Turner /*-
2412042e2SAndrew Turner  * Copyright (c) 1989 Regents of the University of California.
3412042e2SAndrew Turner  * All rights reserved.
4412042e2SAndrew Turner  *
5412042e2SAndrew Turner  * Redistribution and use in source and binary forms, with or without
6412042e2SAndrew Turner  * modification, are permitted provided that the following conditions
7412042e2SAndrew Turner  * are met:
8412042e2SAndrew Turner  * 1. Redistributions of source code must retain the above copyright
9412042e2SAndrew Turner  *    notice, this list of conditions and the following disclaimer.
10412042e2SAndrew Turner  * 2. Redistributions in binary form must reproduce the above copyright
11412042e2SAndrew Turner  *    notice, this list of conditions and the following disclaimer in the
12412042e2SAndrew Turner  *    documentation and/or other materials provided with the distribution.
13f72c920cSEd Maste  * 3. Neither the name of the University nor the names of its contributors
14412042e2SAndrew Turner  *    may be used to endorse or promote products derived from this software
15412042e2SAndrew Turner  *    without specific prior written permission.
16412042e2SAndrew Turner  *
17412042e2SAndrew Turner  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18412042e2SAndrew Turner  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19412042e2SAndrew Turner  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20412042e2SAndrew Turner  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21412042e2SAndrew Turner  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22412042e2SAndrew Turner  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23412042e2SAndrew Turner  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24412042e2SAndrew Turner  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25412042e2SAndrew Turner  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26412042e2SAndrew Turner  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27412042e2SAndrew Turner  * SUCH DAMAGE.
28412042e2SAndrew Turner  */
29412042e2SAndrew Turner 
30*d5d97bedSMike Karels #ifdef __arm__
31*d5d97bedSMike Karels #include <arm/float.h>
32*d5d97bedSMike Karels #else /* !__arm__ */
33*d5d97bedSMike Karels 
34412042e2SAndrew Turner #ifndef _MACHINE_FLOAT_H_
35412042e2SAndrew Turner #define	_MACHINE_FLOAT_H_
36412042e2SAndrew Turner 
37412042e2SAndrew Turner #include <sys/cdefs.h>
38412042e2SAndrew Turner 
39412042e2SAndrew Turner __BEGIN_DECLS
40412042e2SAndrew Turner extern int __flt_rounds(void);
41412042e2SAndrew Turner __END_DECLS
42412042e2SAndrew Turner 
43412042e2SAndrew Turner #define	FLT_RADIX	2		/* b */
44412042e2SAndrew Turner #define	FLT_ROUNDS	__flt_rounds()
45412042e2SAndrew Turner #if __ISO_C_VISIBLE >= 1999
46412042e2SAndrew Turner #define	FLT_EVAL_METHOD	0
47412042e2SAndrew Turner #define	DECIMAL_DIG	17		/* max precision in decimal digits */
48412042e2SAndrew Turner #endif
49412042e2SAndrew Turner 
50412042e2SAndrew Turner #define	FLT_MANT_DIG	24		/* p */
51412042e2SAndrew Turner #define	FLT_EPSILON	1.19209290E-07F	/* b**(1-p) */
52412042e2SAndrew Turner #define	FLT_DIG		6		/* floor((p-1)*log10(b))+(b == 10) */
53412042e2SAndrew Turner #define	FLT_MIN_EXP	(-125)		/* emin */
54412042e2SAndrew Turner #define	FLT_MIN		1.17549435E-38F	/* b**(emin-1) */
55412042e2SAndrew Turner #define	FLT_MIN_10_EXP	(-37)		/* ceil(log10(b**(emin-1))) */
56412042e2SAndrew Turner #define	FLT_MAX_EXP	128		/* emax */
57412042e2SAndrew Turner #define	FLT_MAX		3.40282347E+38F	/* (1-b**(-p))*b**emax */
58412042e2SAndrew Turner #define	FLT_MAX_10_EXP	38		/* floor(log10((1-b**(-p))*b**emax)) */
59412042e2SAndrew Turner #if __ISO_C_VISIBLE >= 2011
60412042e2SAndrew Turner #define	FLT_TRUE_MIN	1.40129846E-45F	/* b**(emin-p) */
61412042e2SAndrew Turner #define	FLT_DECIMAL_DIG	9		/* ceil(1+p*log10(b)) */
62412042e2SAndrew Turner #define	FLT_HAS_SUBNORM	1
63412042e2SAndrew Turner #endif /* __ISO_C_VISIBLE >= 2011 */
64412042e2SAndrew Turner 
65412042e2SAndrew Turner #define	DBL_MANT_DIG	53
66412042e2SAndrew Turner #define	DBL_EPSILON	2.2204460492503131E-16
67412042e2SAndrew Turner #define	DBL_DIG		15
68412042e2SAndrew Turner #define	DBL_MIN_EXP	(-1021)
69412042e2SAndrew Turner #define	DBL_MIN		2.2250738585072014E-308
70412042e2SAndrew Turner #define	DBL_MIN_10_EXP	(-307)
71412042e2SAndrew Turner #define	DBL_MAX_EXP	1024
72412042e2SAndrew Turner #define	DBL_MAX		1.7976931348623157E+308
73412042e2SAndrew Turner #define	DBL_MAX_10_EXP	308
74412042e2SAndrew Turner #if __ISO_C_VISIBLE >= 2011
75412042e2SAndrew Turner #define	DBL_TRUE_MIN	4.9406564584124654E-324
76412042e2SAndrew Turner #define	DBL_DECIMAL_DIG	17
77412042e2SAndrew Turner #define	DBL_HAS_SUBNORM	1
78412042e2SAndrew Turner #endif /* __ISO_C_VISIBLE >= 2011 */
79412042e2SAndrew Turner 
80412042e2SAndrew Turner #define	LDBL_MANT_DIG	113
81412042e2SAndrew Turner #define	LDBL_EPSILON	1.925929944387235853055977942584927319E-34L
82412042e2SAndrew Turner #define	LDBL_DIG	33
83412042e2SAndrew Turner #define	LDBL_MIN_EXP	(-16381)
84412042e2SAndrew Turner #define	LDBL_MIN	3.362103143112093506262677817321752603E-4932L
85412042e2SAndrew Turner #define	LDBL_MIN_10_EXP	(-4931)
86412042e2SAndrew Turner #define	LDBL_MAX_EXP	(+16384)
87412042e2SAndrew Turner #define	LDBL_MAX	1.189731495357231765085759326628007016E+4932L
88412042e2SAndrew Turner #define	LDBL_MAX_10_EXP	(+4932)
89412042e2SAndrew Turner #if __ISO_C_VISIBLE >= 2011
90412042e2SAndrew Turner #define	LDBL_TRUE_MIN	6.475175119438025110924438958227646552E-4966L
91412042e2SAndrew Turner #define	LDBL_DECIMAL_DIG 36
92412042e2SAndrew Turner #define	LDBL_HAS_SUBNORM 1
93412042e2SAndrew Turner #endif /* __ISO_C_VISIBLE >= 2011 */
94412042e2SAndrew Turner 
95412042e2SAndrew Turner #endif /* _MACHINE_FLOAT_H_ */
96*d5d97bedSMike Karels 
97*d5d97bedSMike Karels #endif /* !__arm__ */
98