160727d8bSWarner Losh /*- 2ae8f9dd1SDavid E. O'Brien * Copyright (c) 1989 Regents of the University of California. 3ae8f9dd1SDavid E. O'Brien * All rights reserved. 4ae8f9dd1SDavid E. O'Brien * 5ae8f9dd1SDavid E. O'Brien * Redistribution and use in source and binary forms, with or without 6ae8f9dd1SDavid E. O'Brien * modification, are permitted provided that the following conditions 7ae8f9dd1SDavid E. O'Brien * are met: 8ae8f9dd1SDavid E. O'Brien * 1. Redistributions of source code must retain the above copyright 9ae8f9dd1SDavid E. O'Brien * notice, this list of conditions and the following disclaimer. 10ae8f9dd1SDavid E. O'Brien * 2. Redistributions in binary form must reproduce the above copyright 11ae8f9dd1SDavid E. O'Brien * notice, this list of conditions and the following disclaimer in the 12ae8f9dd1SDavid E. O'Brien * documentation and/or other materials provided with the distribution. 13ae8f9dd1SDavid E. O'Brien * 4. Neither the name of the University nor the names of its contributors 14ae8f9dd1SDavid E. O'Brien * may be used to endorse or promote products derived from this software 15ae8f9dd1SDavid E. O'Brien * without specific prior written permission. 16ae8f9dd1SDavid E. O'Brien * 17ae8f9dd1SDavid E. O'Brien * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18ae8f9dd1SDavid E. O'Brien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19ae8f9dd1SDavid E. O'Brien * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20ae8f9dd1SDavid E. O'Brien * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21ae8f9dd1SDavid E. O'Brien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22ae8f9dd1SDavid E. O'Brien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23ae8f9dd1SDavid E. O'Brien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24ae8f9dd1SDavid E. O'Brien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25ae8f9dd1SDavid E. O'Brien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26ae8f9dd1SDavid E. O'Brien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27ae8f9dd1SDavid E. O'Brien * SUCH DAMAGE. 28ae8f9dd1SDavid E. O'Brien * 29ae8f9dd1SDavid E. O'Brien * from: @(#)float.h 7.1 (Berkeley) 5/8/90 30ae8f9dd1SDavid E. O'Brien * from: FreeBSD: src/sys/i386/include/float.h,v 1.8 1999/08/28 00:44:11 31ae8f9dd1SDavid E. O'Brien * $FreeBSD$ 32ae8f9dd1SDavid E. O'Brien */ 33ae8f9dd1SDavid E. O'Brien 34ae8f9dd1SDavid E. O'Brien #ifndef _MACHINE_FLOAT_H_ 35ae8f9dd1SDavid E. O'Brien #define _MACHINE_FLOAT_H_ 1 36ae8f9dd1SDavid E. O'Brien 37be393068SDavid Schultz #include <sys/cdefs.h> 38be393068SDavid Schultz 3956ae1bedSRafal Jaworowski #ifndef _SOFT_FLOAT 40479f8d22SDavid Schultz __BEGIN_DECLS 41479f8d22SDavid Schultz extern int __flt_rounds(void); 42479f8d22SDavid Schultz __END_DECLS 4356ae1bedSRafal Jaworowski #define FLT_ROUNDS __flt_rounds() 4456ae1bedSRafal Jaworowski #else 4556ae1bedSRafal Jaworowski #define FLT_ROUNDS -1 4656ae1bedSRafal Jaworowski #endif 47479f8d22SDavid Schultz 48ae8f9dd1SDavid E. O'Brien #define FLT_RADIX 2 /* b */ 49be393068SDavid Schultz #if __ISO_C_VISIBLE >= 1999 508cf5ed51SMike Barcroft #define FLT_EVAL_METHOD 1 /* operands promoted to double */ 51*fb7daaceSDavid Schultz #define DECIMAL_DIG 17 /* max precision in decimal digits */ 52be393068SDavid Schultz #endif 53ae8f9dd1SDavid E. O'Brien 54ae8f9dd1SDavid E. O'Brien #define FLT_MANT_DIG 24 /* p */ 55ae8f9dd1SDavid E. O'Brien #define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ 56ae8f9dd1SDavid E. O'Brien #define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ 57ae8f9dd1SDavid E. O'Brien #define FLT_MIN_EXP (-125) /* emin */ 58ae8f9dd1SDavid E. O'Brien #define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ 59ae8f9dd1SDavid E. O'Brien #define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */ 60ae8f9dd1SDavid E. O'Brien #define FLT_MAX_EXP 128 /* emax */ 61ae8f9dd1SDavid E. O'Brien #define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ 62ae8f9dd1SDavid E. O'Brien #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ 63ae8f9dd1SDavid E. O'Brien 64ae8f9dd1SDavid E. O'Brien #define DBL_MANT_DIG 53 65ae8f9dd1SDavid E. O'Brien #define DBL_EPSILON 2.2204460492503131E-16 66ae8f9dd1SDavid E. O'Brien #define DBL_DIG 15 67ae8f9dd1SDavid E. O'Brien #define DBL_MIN_EXP (-1021) 68ae8f9dd1SDavid E. O'Brien #define DBL_MIN 2.2250738585072014E-308 69ae8f9dd1SDavid E. O'Brien #define DBL_MIN_10_EXP (-307) 70ae8f9dd1SDavid E. O'Brien #define DBL_MAX_EXP 1024 71ae8f9dd1SDavid E. O'Brien #define DBL_MAX 1.7976931348623157E+308 72ae8f9dd1SDavid E. O'Brien #define DBL_MAX_10_EXP 308 73ae8f9dd1SDavid E. O'Brien 74df11547fSAndrew Gallatin #define LDBL_MANT_DIG DBL_MANT_DIG 7577a5f1bdSMarcel Moolenaar #define LDBL_EPSILON (long double)DBL_EPSILON 76df11547fSAndrew Gallatin #define LDBL_DIG DBL_DIG 77df11547fSAndrew Gallatin #define LDBL_MIN_EXP DBL_MIN_EXP 7877a5f1bdSMarcel Moolenaar #define LDBL_MIN (long double)DBL_MIN 79df11547fSAndrew Gallatin #define LDBL_MIN_10_EXP DBL_MIN_10_EXP 80df11547fSAndrew Gallatin #define LDBL_MAX_EXP DBL_MAX_EXP 8177a5f1bdSMarcel Moolenaar #define LDBL_MAX (long double)DBL_MAX 82df11547fSAndrew Gallatin #define LDBL_MAX_10_EXP DBL_MAX_10_EXP 83feb43b1cSPeter Grehan 84ae8f9dd1SDavid E. O'Brien #endif /* _MACHINE_FLOAT_H_ */ 85