float.h revision 1.3
11.1Scgd/*
21.1Scgd * Copyright (c) 1989 Regents of the University of California.
31.1Scgd * All rights reserved.
41.1Scgd *
51.1Scgd * Redistribution and use in source and binary forms, with or without
61.1Scgd * modification, are permitted provided that the following conditions
71.1Scgd * are met:
81.1Scgd * 1. Redistributions of source code must retain the above copyright
91.1Scgd *    notice, this list of conditions and the following disclaimer.
101.1Scgd * 2. Redistributions in binary form must reproduce the above copyright
111.1Scgd *    notice, this list of conditions and the following disclaimer in the
121.1Scgd *    documentation and/or other materials provided with the distribution.
131.1Scgd * 3. All advertising materials mentioning features or use of this software
141.1Scgd *    must display the following acknowledgement:
151.1Scgd *	This product includes software developed by the University of
161.1Scgd *	California, Berkeley and its contributors.
171.1Scgd * 4. Neither the name of the University nor the names of its contributors
181.1Scgd *    may be used to endorse or promote products derived from this software
191.1Scgd *    without specific prior written permission.
201.1Scgd *
211.1Scgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
221.1Scgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
231.1Scgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
241.1Scgd * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
251.1Scgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
261.1Scgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
271.1Scgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
281.1Scgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
291.1Scgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
301.1Scgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
311.1Scgd * SUCH DAMAGE.
321.1Scgd *
331.2Scgd *	from: @(#)float.h	7.1 (Berkeley) 5/8/90
341.3Smycroft *	$Id: float.h,v 1.3 1993/08/15 15:45:51 mycroft Exp $
351.1Scgd */
361.1Scgd
371.1Scgd#define FLT_RADIX	2		/* b */
381.1Scgd#define FLT_ROUNDS	1		/* FP addition rounds to nearest */
391.1Scgd
401.1Scgd#define FLT_MANT_DIG	24		/* p */
411.1Scgd#define FLT_EPSILON	1.19209290E-07F	/* b**(1-p) */
421.1Scgd#define FLT_DIG		6		/* floor((p-1)*log10(b))+(b == 10) */
431.1Scgd#define FLT_MIN_EXP	-125		/* emin */
441.1Scgd#define FLT_MIN		1.17549435E-38F	/* b**(emin-1) */
451.1Scgd#define FLT_MIN_10_EXP	-37		/* ceil(log10(b**(emin-1))) */
461.1Scgd#define FLT_MAX_EXP	128		/* emax */
471.1Scgd#define FLT_MAX		3.40282347E+38F	/* (1-b**(-p))*b**emax */
481.1Scgd#define FLT_MAX_10_EXP	38		/* floor(log10((1-b**(-p))*b**emax)) */
491.1Scgd
501.1Scgd#define DBL_MANT_DIG	53
511.1Scgd#define DBL_EPSILON	2.2204460492503131E-16
521.1Scgd#define DBL_DIG		15
531.1Scgd#define DBL_MIN_EXP	-1021
541.1Scgd#define DBL_MIN		2.225073858507201E-308
551.1Scgd#define DBL_MIN_10_EXP	-307
561.1Scgd#define DBL_MAX_EXP	1024
571.3Smycroft#define DBL_MAX		1.7976931348623157E+308
581.1Scgd#define DBL_MAX_10_EXP	308
591.1Scgd
601.1Scgd#define LDBL_MANT_DIG	DBL_MANT_DIG
611.1Scgd#define LDBL_EPSILON	DBL_EPSILON
621.1Scgd#define LDBL_DIG	DBL_DIG
631.1Scgd#define LDBL_MIN_EXP	DBL_MIN_EXP
641.1Scgd#define LDBL_MIN	DBL_MIN
651.1Scgd#define LDBL_MIN_10_EXP	DBL_MIN_10_EXP
661.1Scgd#define LDBL_MAX_EXP	DBL_MAX_EXP
671.1Scgd#define LDBL_MAX	DBL_MAX
681.1Scgd#define LDBL_MAX_10_EXP	DBL_MAX_10_EXP
69