8d7e7a98db
kernel and userland. Reviewed by: andrew, imp, kib Sponsored by: DARPA, AFRL Sponsored by: HEIF5 Differential Revision: https://reviews.freebsd.org/D4554
112 lines
4.1 KiB
C
112 lines
4.1 KiB
C
/*-
|
|
* Copyright (c) 1989 Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* from: @(#)float.h 7.1 (Berkeley) 5/8/90
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _MACHINE_FLOAT_H_
|
|
#define _MACHINE_FLOAT_H_
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
__BEGIN_DECLS
|
|
extern int __flt_rounds(void);
|
|
__END_DECLS
|
|
|
|
#define FLT_RADIX 2 /* b */
|
|
#define FLT_ROUNDS __flt_rounds()
|
|
#if __ISO_C_VISIBLE >= 1999
|
|
#define FLT_EVAL_METHOD 0
|
|
#define DECIMAL_DIG 17 /* max precision in decimal digits */
|
|
#endif
|
|
|
|
#define FLT_MANT_DIG 24 /* p */
|
|
#define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */
|
|
#define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */
|
|
#define FLT_MIN_EXP (-125) /* emin */
|
|
#define FLT_MIN 1.17549435E-38F /* b**(emin-1) */
|
|
#define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */
|
|
#define FLT_MAX_EXP 128 /* emax */
|
|
#define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */
|
|
#define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */
|
|
#if __ISO_C_VISIBLE >= 2011
|
|
#define FLT_TRUE_MIN 1.40129846E-45F /* b**(emin-p) */
|
|
#define FLT_DECIMAL_DIG 9 /* ceil(1+p*log10(b)) */
|
|
#define FLT_HAS_SUBNORM 1
|
|
#endif /* __ISO_C_VISIBLE >= 2011 */
|
|
|
|
#define DBL_MANT_DIG 53
|
|
#define DBL_EPSILON 2.2204460492503131E-16
|
|
#define DBL_DIG 15
|
|
#define DBL_MIN_EXP (-1021)
|
|
#define DBL_MIN 2.2250738585072014E-308
|
|
#define DBL_MIN_10_EXP (-307)
|
|
#define DBL_MAX_EXP 1024
|
|
#define DBL_MAX 1.7976931348623157E+308
|
|
#define DBL_MAX_10_EXP 308
|
|
#if __ISO_C_VISIBLE >= 2011
|
|
#define DBL_TRUE_MIN 4.9406564584124654E-324
|
|
#define DBL_DECIMAL_DIG 17
|
|
#define DBL_HAS_SUBNORM 1
|
|
#endif /* __ISO_C_VISIBLE >= 2011 */
|
|
|
|
#define LDBL_MANT_DIG DBL_MANT_DIG
|
|
#define LDBL_EPSILON ((long double)DBL_EPSILON)
|
|
#define LDBL_DIG DBL_DIG
|
|
#define LDBL_MIN_EXP DBL_MIN_EXP
|
|
#define LDBL_MIN ((long double)DBL_MIN)
|
|
#define LDBL_MIN_10_EXP DBL_MIN_10_EXP
|
|
#define LDBL_MAX_EXP DBL_MAX_EXP
|
|
#define LDBL_MAX ((long double)DBL_MAX)
|
|
#define LDBL_MAX_10_EXP DBL_MAX_10_EXP
|
|
#if __ISO_C_VISIBLE >= 2011
|
|
#define LDBL_TRUE_MIN ((long double)DBL_TRUE_MIN)
|
|
#define LDBL_DECIMAL_DIG DBL_DECIMAL_DIG
|
|
#define LDBL_HAS_SUBNORM DBL_HAS_SUBNORM
|
|
#endif /* __ISO_C_VISIBLE >= 2011 */
|
|
|
|
#if 0 /* RISCVTODO */
|
|
#define LDBL_MANT_DIG 113
|
|
#define LDBL_EPSILON 1.925929944387235853055977942584927319E-34L
|
|
#define LDBL_DIG 33
|
|
#define LDBL_MIN_EXP (-16381)
|
|
#define LDBL_MIN 3.362103143112093506262677817321752603E-4932L
|
|
#define LDBL_MIN_10_EXP (-4931)
|
|
#define LDBL_MAX_EXP (+16384)
|
|
#define LDBL_MAX 1.189731495357231765085759326628007016E+4932L
|
|
#define LDBL_MAX_10_EXP (+4932)
|
|
#if __ISO_C_VISIBLE >= 2011
|
|
#define LDBL_TRUE_MIN 6.475175119438025110924438958227646552E-4966L
|
|
#define LDBL_DECIMAL_DIG 36
|
|
#define LDBL_HAS_SUBNORM 1
|
|
#endif /* __ISO_C_VISIBLE >= 2011 */
|
|
#endif
|
|
|
|
#endif /* _MACHINE_FLOAT_H_ */
|