float.h revision 4
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 *
334Srgrimes *	@(#)float.h	7.1 (Berkeley) 5/8/90
344Srgrimes *
354Srgrimes * PATCHES MAGIC                LEVEL   PATCH THAT GOT US HERE
364Srgrimes * --------------------         -----   ----------------------
374Srgrimes * CURRENT PATCH LEVEL:         1       00086
384Srgrimes * --------------------         -----   ----------------------
394Srgrimes *
404Srgrimes * 27 Feb 93    Handel/da Silva/Poirot  Adjust value for MAX_DOUBLE
414Srgrimes */
424Srgrimes
434Srgrimes#define FLT_RADIX	2		/* b */
444Srgrimes#define FLT_ROUNDS	1		/* FP addition rounds to nearest */
454Srgrimes
464Srgrimes#define FLT_MANT_DIG	24		/* p */
474Srgrimes#define FLT_EPSILON	1.19209290E-07F	/* b**(1-p) */
484Srgrimes#define FLT_DIG		6		/* floor((p-1)*log10(b))+(b == 10) */
494Srgrimes#define FLT_MIN_EXP	-125		/* emin */
504Srgrimes#define FLT_MIN		1.17549435E-38F	/* b**(emin-1) */
514Srgrimes#define FLT_MIN_10_EXP	-37		/* ceil(log10(b**(emin-1))) */
524Srgrimes#define FLT_MAX_EXP	128		/* emax */
534Srgrimes#define FLT_MAX		3.40282347E+38F	/* (1-b**(-p))*b**emax */
544Srgrimes#define FLT_MAX_10_EXP	38		/* floor(log10((1-b**(-p))*b**emax)) */
554Srgrimes
564Srgrimes#define DBL_MANT_DIG	53
574Srgrimes#define DBL_EPSILON	2.2204460492503131E-16
584Srgrimes#define DBL_DIG		15
594Srgrimes#define DBL_MIN_EXP	-1021
604Srgrimes#define DBL_MIN		2.225073858507201E-308
614Srgrimes#define DBL_MIN_10_EXP	-307
624Srgrimes#define DBL_MAX_EXP	1024
634Srgrimes#define DBL_MAX		1.797693134862315E+308
644Srgrimes#define DBL_MAX_10_EXP	308
654Srgrimes
664Srgrimes#define LDBL_MANT_DIG	DBL_MANT_DIG
674Srgrimes#define LDBL_EPSILON	DBL_EPSILON
684Srgrimes#define LDBL_DIG	DBL_DIG
694Srgrimes#define LDBL_MIN_EXP	DBL_MIN_EXP
704Srgrimes#define LDBL_MIN	DBL_MIN
714Srgrimes#define LDBL_MIN_10_EXP	DBL_MIN_10_EXP
724Srgrimes#define LDBL_MAX_EXP	DBL_MAX_EXP
734Srgrimes#define LDBL_MAX	DBL_MAX
744Srgrimes#define LDBL_MAX_10_EXP	DBL_MAX_10_EXP
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