1139825Simp/*- 296692Sobrien * Copyright (c) 1989 Regents of the University of California. 396692Sobrien * All rights reserved. 496692Sobrien * 596692Sobrien * Redistribution and use in source and binary forms, with or without 696692Sobrien * modification, are permitted provided that the following conditions 796692Sobrien * are met: 896692Sobrien * 1. Redistributions of source code must retain the above copyright 996692Sobrien * notice, this list of conditions and the following disclaimer. 1096692Sobrien * 2. Redistributions in binary form must reproduce the above copyright 1196692Sobrien * notice, this list of conditions and the following disclaimer in the 1296692Sobrien * documentation and/or other materials provided with the distribution. 1396692Sobrien * 4. Neither the name of the University nor the names of its contributors 1496692Sobrien * may be used to endorse or promote products derived from this software 1596692Sobrien * without specific prior written permission. 1696692Sobrien * 1796692Sobrien * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 1896692Sobrien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1996692Sobrien * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2096692Sobrien * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2196692Sobrien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2296692Sobrien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2396692Sobrien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2496692Sobrien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2596692Sobrien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2696692Sobrien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2796692Sobrien * SUCH DAMAGE. 2896692Sobrien * 2996692Sobrien * from: @(#)float.h 7.1 (Berkeley) 5/8/90 3096692Sobrien * from: FreeBSD: src/sys/i386/include/float.h,v 1.8 1999/08/28 00:44:11 3196692Sobrien * $FreeBSD$ 3296692Sobrien */ 3396692Sobrien 3496692Sobrien#ifndef _MACHINE_FLOAT_H_ 3596692Sobrien#define _MACHINE_FLOAT_H_ 1 3696692Sobrien 37128629Sdas#include <sys/cdefs.h> 38128629Sdas 39176530Sraj#ifndef _SOFT_FLOAT 40132383Sdas__BEGIN_DECLS 41132383Sdasextern int __flt_rounds(void); 42132383Sdas__END_DECLS 43176530Sraj#define FLT_ROUNDS __flt_rounds() 44176530Sraj#else 45230366Sdas#define FLT_ROUNDS (-1) 46176530Sraj#endif 47132383Sdas 4896692Sobrien#define FLT_RADIX 2 /* b */ 49128629Sdas#if __ISO_C_VISIBLE >= 1999 50230228Sdas#define FLT_EVAL_METHOD 0 51217181Sdas#define DECIMAL_DIG 17 /* max precision in decimal digits */ 52128629Sdas#endif 5396692Sobrien 5496692Sobrien#define FLT_MANT_DIG 24 /* p */ 5596692Sobrien#define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ 5696692Sobrien#define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ 5796692Sobrien#define FLT_MIN_EXP (-125) /* emin */ 5896692Sobrien#define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ 5996692Sobrien#define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */ 6096692Sobrien#define FLT_MAX_EXP 128 /* emax */ 6196692Sobrien#define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ 6296692Sobrien#define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ 63230475Sdas#if __ISO_C_VISIBLE >= 2011 64230475Sdas#define FLT_TRUE_MIN 1.40129846E-45F /* b**(emin-p) */ 65230475Sdas#define FLT_DECIMAL_DIG 9 /* ceil(1+p*log10(b)) */ 66230475Sdas#define FLT_HAS_SUBNORM 1 67230475Sdas#endif /* __ISO_C_VISIBLE >= 2011 */ 6896692Sobrien 6996692Sobrien#define DBL_MANT_DIG 53 7096692Sobrien#define DBL_EPSILON 2.2204460492503131E-16 7196692Sobrien#define DBL_DIG 15 7296692Sobrien#define DBL_MIN_EXP (-1021) 7396692Sobrien#define DBL_MIN 2.2250738585072014E-308 7496692Sobrien#define DBL_MIN_10_EXP (-307) 7596692Sobrien#define DBL_MAX_EXP 1024 7696692Sobrien#define DBL_MAX 1.7976931348623157E+308 7796692Sobrien#define DBL_MAX_10_EXP 308 78230475Sdas#if __ISO_C_VISIBLE >= 2011 79230475Sdas#define DBL_TRUE_MIN 4.9406564584124654E-324 80230475Sdas#define DBL_DECIMAL_DIG 17 81230475Sdas#define DBL_HAS_SUBNORM 1 82230475Sdas#endif /* __ISO_C_VISIBLE >= 2011 */ 8396692Sobrien 84132421Sgallatin#define LDBL_MANT_DIG DBL_MANT_DIG 85230366Sdas#define LDBL_EPSILON ((long double)DBL_EPSILON) 86132421Sgallatin#define LDBL_DIG DBL_DIG 87132421Sgallatin#define LDBL_MIN_EXP DBL_MIN_EXP 88230366Sdas#define LDBL_MIN ((long double)DBL_MIN) 89132421Sgallatin#define LDBL_MIN_10_EXP DBL_MIN_10_EXP 90132421Sgallatin#define LDBL_MAX_EXP DBL_MAX_EXP 91230366Sdas#define LDBL_MAX ((long double)DBL_MAX) 92132421Sgallatin#define LDBL_MAX_10_EXP DBL_MAX_10_EXP 93230475Sdas#if __ISO_C_VISIBLE >= 2011 94230475Sdas#define LDBL_TRUE_MIN ((long double)DBL_TRUE_MIN) 95230475Sdas#define LDBL_DECIMAL_DIG DBL_DECIMAL_DIG 96230475Sdas#define LDBL_HAS_SUBNORM DBL_HAS_SUBNORM 97230475Sdas#endif /* __ISO_C_VISIBLE >= 2011 */ 98124768Sgrehan 9996692Sobrien#endif /* _MACHINE_FLOAT_H_ */ 100