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float.h revision 1.3
      1 /*	$NetBSD: float.h,v 1.3 1998/02/18 10:54:10 mycroft Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1989 Regents of the University of California.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed by the University of
     18  *      California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  *      @(#)float.h     7.2 (Berkeley) 6/28/90
     36  */
     37 
     38 #ifndef _VAX_FLOAT_H_
     39 #define _VAX_FLOAT_H_
     40 
     41 #define	FLT_RADIX	2		/* b */
     42 #define	FLT_ROUNDS	1		/* FP addition rounds to nearest */
     43 
     44 #define	FLT_MANT_DIG	24		/* p */
     45 #define	FLT_EPSILON	1.19209290E-7F	/* b**(1-p) */
     46 #define	FLT_DIG		6		/* floor((p-1)*log10(b))+(b == 10) */
     47 #define	FLT_MIN_EXP	(-127)		/* emin */
     48 #define	FLT_MIN		2.93873588E-39F	/* b**(emin-1) */
     49 #define	FLT_MIN_10_EXP	(-38)		/* ceil(log10(b**(emin-1))) */
     50 #define	FLT_MAX_EXP	127		/* emax */
     51 #define	FLT_MAX		1.70141173E+38F	/* (1-b**(-p))*b**emax */
     52 #define	FLT_MAX_10_EXP	38		/* floor(log10((1-b**(-p))*b**emax)) */
     53 
     54 #define	DBL_MANT_DIG	56
     55 #define	DBL_EPSILON	2.77555756156289135E-17
     56 #define	DBL_DIG		16
     57 #define	DBL_MIN_EXP	(-127)
     58 #define	DBL_MIN		2.93873587705571877E-39
     59 #define	DBL_MIN_10_EXP	(-38)
     60 #define	DBL_MAX_EXP	127
     61 #define	DBL_MAX		1.70141183460469229E+38
     62 #define	DBL_MAX_10_EXP	38
     63 
     64 #define	LDBL_MANT_DIG	DBL_MANT_DIG
     65 #define	LDBL_EPSILON	DBL_EPSILON
     66 #define	LDBL_DIG	DBL_DIG
     67 #define	LDBL_MIN_EXP	DBL_MIN_EXP
     68 #define	LDBL_MIN	DBL_MIN
     69 #define	LDBL_MIN_10_EXP	DBL_MIN_10_EXP
     70 #define	LDBL_MAX_EXP	DBL_MAX_EXP
     71 #define	LDBL_MAX	DBL_MAX
     72 #define	LDBL_MAX_10_EXP	DBL_MAX_10_EXP
     73 
     74 #endif	/* _VAX_FLOAT_H_ */
     75