1292407Sbr/*- 2292407Sbr * Copyright (c) 1989 Regents of the University of California. 3292407Sbr * All rights reserved. 4292407Sbr * 5292407Sbr * Redistribution and use in source and binary forms, with or without 6292407Sbr * modification, are permitted provided that the following conditions 7292407Sbr * are met: 8292407Sbr * 1. Redistributions of source code must retain the above copyright 9292407Sbr * notice, this list of conditions and the following disclaimer. 10292407Sbr * 2. Redistributions in binary form must reproduce the above copyright 11292407Sbr * notice, this list of conditions and the following disclaimer in the 12292407Sbr * documentation and/or other materials provided with the distribution. 13292407Sbr * 3. Neither the name of the University nor the names of its contributors 14292407Sbr * may be used to endorse or promote products derived from this software 15292407Sbr * without specific prior written permission. 16292407Sbr * 17292407Sbr * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18292407Sbr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19292407Sbr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20292407Sbr * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21292407Sbr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22292407Sbr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23292407Sbr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24292407Sbr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25292407Sbr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26292407Sbr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27292407Sbr * SUCH DAMAGE. 28292407Sbr * 29292407Sbr * from: @(#)float.h 7.1 (Berkeley) 5/8/90 30292407Sbr * $FreeBSD$ 31292407Sbr */ 32292407Sbr 33292407Sbr#ifndef _MACHINE_FLOAT_H_ 34292407Sbr#define _MACHINE_FLOAT_H_ 35292407Sbr 36292407Sbr#include <sys/cdefs.h> 37292407Sbr 38292407Sbr__BEGIN_DECLS 39292407Sbrextern int __flt_rounds(void); 40292407Sbr__END_DECLS 41292407Sbr 42292407Sbr#define FLT_RADIX 2 /* b */ 43292407Sbr#define FLT_ROUNDS __flt_rounds() 44292407Sbr#if __ISO_C_VISIBLE >= 1999 45292407Sbr#define FLT_EVAL_METHOD 0 46292407Sbr#define DECIMAL_DIG 17 /* max precision in decimal digits */ 47292407Sbr#endif 48292407Sbr 49292407Sbr#define FLT_MANT_DIG 24 /* p */ 50292407Sbr#define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ 51292407Sbr#define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ 52292407Sbr#define FLT_MIN_EXP (-125) /* emin */ 53292407Sbr#define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ 54292407Sbr#define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */ 55292407Sbr#define FLT_MAX_EXP 128 /* emax */ 56292407Sbr#define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ 57292407Sbr#define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ 58292407Sbr#if __ISO_C_VISIBLE >= 2011 59292407Sbr#define FLT_TRUE_MIN 1.40129846E-45F /* b**(emin-p) */ 60292407Sbr#define FLT_DECIMAL_DIG 9 /* ceil(1+p*log10(b)) */ 61292407Sbr#define FLT_HAS_SUBNORM 1 62292407Sbr#endif /* __ISO_C_VISIBLE >= 2011 */ 63292407Sbr 64292407Sbr#define DBL_MANT_DIG 53 65292407Sbr#define DBL_EPSILON 2.2204460492503131E-16 66292407Sbr#define DBL_DIG 15 67292407Sbr#define DBL_MIN_EXP (-1021) 68292407Sbr#define DBL_MIN 2.2250738585072014E-308 69292407Sbr#define DBL_MIN_10_EXP (-307) 70292407Sbr#define DBL_MAX_EXP 1024 71292407Sbr#define DBL_MAX 1.7976931348623157E+308 72292407Sbr#define DBL_MAX_10_EXP 308 73292407Sbr#if __ISO_C_VISIBLE >= 2011 74292407Sbr#define DBL_TRUE_MIN 4.9406564584124654E-324 75292407Sbr#define DBL_DECIMAL_DIG 17 76292407Sbr#define DBL_HAS_SUBNORM 1 77292407Sbr#endif /* __ISO_C_VISIBLE >= 2011 */ 78292407Sbr 79292407Sbr#define LDBL_MANT_DIG DBL_MANT_DIG 80292407Sbr#define LDBL_EPSILON ((long double)DBL_EPSILON) 81292407Sbr#define LDBL_DIG DBL_DIG 82292407Sbr#define LDBL_MIN_EXP DBL_MIN_EXP 83292407Sbr#define LDBL_MIN ((long double)DBL_MIN) 84292407Sbr#define LDBL_MIN_10_EXP DBL_MIN_10_EXP 85292407Sbr#define LDBL_MAX_EXP DBL_MAX_EXP 86292407Sbr#define LDBL_MAX ((long double)DBL_MAX) 87292407Sbr#define LDBL_MAX_10_EXP DBL_MAX_10_EXP 88292407Sbr#if __ISO_C_VISIBLE >= 2011 89292407Sbr#define LDBL_TRUE_MIN ((long double)DBL_TRUE_MIN) 90292407Sbr#define LDBL_DECIMAL_DIG DBL_DECIMAL_DIG 91292407Sbr#define LDBL_HAS_SUBNORM DBL_HAS_SUBNORM 92292407Sbr#endif /* __ISO_C_VISIBLE >= 2011 */ 93292407Sbr 94292407Sbr#if 0 /* RISCVTODO */ 95292407Sbr#define LDBL_MANT_DIG 113 96292407Sbr#define LDBL_EPSILON 1.925929944387235853055977942584927319E-34L 97292407Sbr#define LDBL_DIG 33 98292407Sbr#define LDBL_MIN_EXP (-16381) 99292407Sbr#define LDBL_MIN 3.362103143112093506262677817321752603E-4932L 100292407Sbr#define LDBL_MIN_10_EXP (-4931) 101292407Sbr#define LDBL_MAX_EXP (+16384) 102292407Sbr#define LDBL_MAX 1.189731495357231765085759326628007016E+4932L 103292407Sbr#define LDBL_MAX_10_EXP (+4932) 104292407Sbr#if __ISO_C_VISIBLE >= 2011 105292407Sbr#define LDBL_TRUE_MIN 6.475175119438025110924438958227646552E-4966L 106292407Sbr#define LDBL_DECIMAL_DIG 36 107292407Sbr#define LDBL_HAS_SUBNORM 1 108292407Sbr#endif /* __ISO_C_VISIBLE >= 2011 */ 109292407Sbr#endif 110292407Sbr 111292407Sbr#endif /* _MACHINE_FLOAT_H_ */ 112