/*      $NetBSD: float.h,v 1.10 2005/12/11 12:19:34 christos Exp $      */

/*
* Copyright (c) 1989 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
*    may be used to endorse or promote products derived from this software
*    without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*      @(#)float.h     7.2 (Berkeley) 6/28/90
*/

#ifndef _VAX_FLOAT_H_
#define _VAX_FLOAT_H_

#include <sys/cdefs.h>
#include <sys/featuretest.h>

#define FLT_RADIX       2               /* b */
#define FLT_ROUNDS      1               /* FP addition rounds to nearest */

#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
   !defined(_XOPEN_SOURCE) || \
   ((__STDC_VERSION__ - 0) >= 199901L) || \
   ((_POSIX_C_SOURCE - 0) >= 200112L) || \
   ((_XOPEN_SOURCE  - 0) >= 600) || \
   defined(_ISOC99_SOURCE) || defined(_NETBSD_SOURCE)
#if __GNUC_PREREQ__(3, 3)
#define FLT_EVAL_METHOD __FLT_EVAL_METHOD__
#else
#define FLT_EVAL_METHOD 0               /* evaluate all operations and
                                          constants just to the range and
                                          precision of the type */
#endif /* GCC >= 3.3 */
#endif /* !defined(_ANSI_SOURCE) && ... */

#define FLT_MANT_DIG    24              /* p */
#define FLT_EPSILON     1.19209290E-7F  /* b**(1-p) */
#define FLT_DIG         6               /* floor((p-1)*log10(b))+(b == 10) */
#define FLT_MIN_EXP     (-127)          /* emin */
#define FLT_MIN         2.93873588E-39F /* b**(emin-1) */
#define FLT_MIN_10_EXP  (-38)           /* ceil(log10(b**(emin-1))) */
#define FLT_MAX_EXP     127             /* emax */
#define FLT_MAX         1.70141173E+38F /* (1-b**(-p))*b**emax */
#define FLT_MAX_10_EXP  38              /* floor(log10((1-b**(-p))*b**emax)) */

#define DBL_MANT_DIG    56
#define DBL_EPSILON     2.77555756156289135E-17
#define DBL_DIG         16
#define DBL_MIN_EXP     (-127)
#define DBL_MIN         2.938735877055718770E-39
#define DBL_MIN_10_EXP  (-38)
#define DBL_MAX_EXP     127
#define DBL_MAX         1.701411834604692294E+38
#define DBL_MAX_10_EXP  38

#define LDBL_MANT_DIG   DBL_MANT_DIG
#define LDBL_EPSILON    DBL_EPSILON
#define LDBL_DIG        DBL_DIG
#define LDBL_MIN_EXP    DBL_MIN_EXP
#define LDBL_MIN        DBL_MIN
#define LDBL_MIN_10_EXP DBL_MIN_10_EXP
#define LDBL_MAX_EXP    DBL_MAX_EXP
#define LDBL_MAX        DBL_MAX
#define LDBL_MAX_10_EXP DBL_MAX_10_EXP

#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
   !defined(_XOPEN_SOURCE) || \
   ((__STDC_VERSION__ - 0) >= 199901L) || \
   ((_POSIX_C_SOURCE - 0) >= 200112L) || \
   ((_XOPEN_SOURCE  - 0) >= 600) || \
   defined(_ISOC99_SOURCE) || defined(_NETBSD_SOURCE)
#define DECIMAL_DIG     18              /* ceil((1+p*log10(b))-(b==10) */
#endif
#endif  /* _VAX_FLOAT_H_ */