float.h revision 719
14Srgrimes/* 24Srgrimes * Copyright (c) 1989 Regents of the University of California. 34Srgrimes * All rights reserved. 44Srgrimes * 54Srgrimes * Redistribution and use in source and binary forms, with or without 64Srgrimes * modification, are permitted provided that the following conditions 74Srgrimes * are met: 84Srgrimes * 1. Redistributions of source code must retain the above copyright 94Srgrimes * notice, this list of conditions and the following disclaimer. 104Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 114Srgrimes * notice, this list of conditions and the following disclaimer in the 124Srgrimes * documentation and/or other materials provided with the distribution. 134Srgrimes * 3. All advertising materials mentioning features or use of this software 144Srgrimes * must display the following acknowledgement: 154Srgrimes * This product includes software developed by the University of 164Srgrimes * California, Berkeley and its contributors. 174Srgrimes * 4. Neither the name of the University nor the names of its contributors 184Srgrimes * may be used to endorse or promote products derived from this software 194Srgrimes * without specific prior written permission. 204Srgrimes * 214Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 224Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 234Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 244Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 254Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 264Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 274Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 284Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 294Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 304Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 314Srgrimes * SUCH DAMAGE. 324Srgrimes * 33621Srgrimes * from: @(#)float.h 7.1 (Berkeley) 5/8/90 34719Swollman * $Id: float.h,v 1.4 1993/10/16 14:39:16 rgrimes Exp $ 354Srgrimes */ 364Srgrimes 37719Swollman#ifndef _MACHINE_FLOAT_H_ 38719Swollman#define _MACHINE_FLOAT_H_ 1 39719Swollman 404Srgrimes#define FLT_RADIX 2 /* b */ 414Srgrimes#define FLT_ROUNDS 1 /* FP addition rounds to nearest */ 424Srgrimes 434Srgrimes#define FLT_MANT_DIG 24 /* p */ 444Srgrimes#define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ 454Srgrimes#define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ 4680Snate#define FLT_MIN_EXP (-125) /* emin */ 474Srgrimes#define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ 4880Snate#define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */ 494Srgrimes#define FLT_MAX_EXP 128 /* emax */ 504Srgrimes#define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ 514Srgrimes#define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ 524Srgrimes 534Srgrimes#define DBL_MANT_DIG 53 544Srgrimes#define DBL_EPSILON 2.2204460492503131E-16 554Srgrimes#define DBL_DIG 15 5680Snate#define DBL_MIN_EXP (-1021) 5779Snate#define DBL_MIN 2.2250738585072014E-308 5880Snate#define DBL_MIN_10_EXP (-307) 594Srgrimes#define DBL_MAX_EXP 1024 6079Snate#define DBL_MAX 1.7976931348623157E+308 614Srgrimes#define DBL_MAX_10_EXP 308 624Srgrimes 634Srgrimes#define LDBL_MANT_DIG DBL_MANT_DIG 644Srgrimes#define LDBL_EPSILON DBL_EPSILON 654Srgrimes#define LDBL_DIG DBL_DIG 664Srgrimes#define LDBL_MIN_EXP DBL_MIN_EXP 674Srgrimes#define LDBL_MIN DBL_MIN 684Srgrimes#define LDBL_MIN_10_EXP DBL_MIN_10_EXP 694Srgrimes#define LDBL_MAX_EXP DBL_MAX_EXP 704Srgrimes#define LDBL_MAX DBL_MAX 714Srgrimes#define LDBL_MAX_10_EXP DBL_MAX_10_EXP 72719Swollman#endif /* _MACHINE_FLOAT_H_ */ 73