/*  $NetBSD: float_ieee754.h,v 1.8 2005/12/11 12:25:20 christos Exp $ */

/*
 * Copyright (c) 1992, 1993
 *  The 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 8.1 (Berkeley) 6/10/93
 */

/*
 * NOTICE: This is not a standalone file.  To use it, #include it in
 * your port's float.h header.
 */

#ifndef _SYS_FLOAT_IEEE754_H_
#define _SYS_FLOAT_IEEE754_H_

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

#ifndef FLT_ROUNDS
__BEGIN_DECLS
extern int __flt_rounds(void);
__END_DECLS
#define FLT_ROUNDS  __flt_rounds()
#endif

#ifndef FLT_EVAL_METHOD
#if __GNUC_PREREQ__(3, 3)
#define FLT_EVAL_METHOD __FLT_EVAL_METHOD__
#endif /* GCC >= 3.3 */
#endif /* defined(FLT_EVAL_METHOD) */

#define FLT_RADIX 2   /* b */

#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 (-125)    /* emin */
#define FLT_MIN   1.17549435E-38F /* b**(emin-1) */
#define FLT_MIN_10_EXP  (-37)   /* ceil(log10(b**(emin-1))) */
#define FLT_MAX_EXP 128   /* emax */
//#define FLT_MAX   3.40282347e+38F /* (1-b**(-p))*b**emax */
#define FLT_MAX   3.402823e+38F /* (1-b**(-p))*b**emax */
#define FLT_MAX_10_EXP  38    /* floor(log10((1-b**(-p))*b**emax)) */

#define DBL_MANT_DIG  53
#define DBL_EPSILON 2.2204460492503131E-16
#define DBL_DIG   15
#define DBL_MIN_EXP (-1021)
#define DBL_MIN   2.2250738585072014E-308
#define DBL_MIN_10_EXP  (-307)
#define DBL_MAX_EXP 1024
#define DBL_MAX   1.7976931348623157E+308
#define DBL_MAX_10_EXP  308

/*
 * If no extended-precision type is defined by the machine-dependent
 * header including this, default to `long double' being double-precision.
 */
#ifndef LDBL_MANT_DIG
  #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

  #define DECIMAL_DIG       17    /* ceil((1+p*log10(b))-(b==10) */
#endif /* LDBL_MANT_DIG */

#endif  /* _SYS_FLOAT_IEEE754_H_ */