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float.h revision 1.1 
      1 /*	$NetBSD: float.h,v 1.1 2003/02/26 21:26:10 fvdl 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	7.1 (Berkeley) 5/8/90
     36  */
     37 
     38 #ifndef _X86_FLOAT_H_
     39 #define _X86_FLOAT_H_
     40 
     41 #include <sys/cdefs.h>
     42 
     43 __BEGIN_DECLS
     44 int __flt_rounds __P((void));
     45 __END_DECLS
     46 
     47 #define FLT_RADIX	2		/* b */
     48 #define FLT_ROUNDS	__flt_rounds()
     49 
     50 #define FLT_MANT_DIG	24		/* p */
     51 #define FLT_EPSILON	1.19209290E-7F	/* b**(1-p) */
     52 #define FLT_DIG		6		/* floor((p-1)*log10(b))+(b == 10) */
     53 #define FLT_MIN_EXP	(-125)		/* emin */
     54 #define FLT_MIN		1.17549435E-38F	/* b**(emin-1) */
     55 #define FLT_MIN_10_EXP	(-37)		/* ceil(log10(b**(emin-1))) */
     56 #define FLT_MAX_EXP	128		/* emax */
     57 #define FLT_MAX		3.40282347E+38F	/* (1-b**(-p))*b**emax */
     58 #define FLT_MAX_10_EXP	38		/* floor(log10((1-b**(-p))*b**emax)) */
     59 
     60 #define DBL_MANT_DIG	53
     61 #define DBL_EPSILON	2.2204460492503131E-16
     62 #define DBL_DIG		15
     63 #define DBL_MIN_EXP	(-1021)
     64 #define DBL_MIN		2.2250738585072014E-308
     65 #define DBL_MIN_10_EXP	(-307)
     66 #define DBL_MAX_EXP	1024
     67 #define DBL_MAX		1.7976931348623157E+308
     68 #define DBL_MAX_10_EXP	308
     69 
     70 #define LDBL_MANT_DIG	64
     71 #define LDBL_EPSILON	1.0842021724855044340E-19L
     72 #define LDBL_DIG	18
     73 #define LDBL_MIN_EXP	(-16381)
     74 #define LDBL_MIN	3.3621031431120935063E-4932L
     75 #define LDBL_MIN_10_EXP	(-4931)
     76 #define LDBL_MAX_EXP	16384
     77 #define LDBL_MAX	1.1897314953572317650E+4932L
     78 #define LDBL_MAX_10_EXP	4932
     79 
     80 #endif	/* _X86_FLOAT_H_ */
     81