sys/ia64/include/float.h

   1 /* $FreeBSD$ */
   2 /* From: NetBSD: float.h,v 1.6 1997/07/17 21:36:03 thorpej Exp */
   3
   4 /*-
   5  * Copyright (c) 1989, 1993
   6  *      The Regents of the University of California.  All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 4. Neither the name of the University nor the names of its contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32
  33 #ifndef _MACHINE_FLOAT_H_
  34 #define _MACHINE_FLOAT_H_
  35
  36 #include <sys/cdefs.h>
  37
  38 __BEGIN_DECLS
  39 extern int __flt_rounds(void);
  40 __END_DECLS
  41
  42 #define FLT_RADIX       2               /* b */
  43 #define FLT_ROUNDS      __flt_rounds()
  44 #if __ISO_C_VISIBLE >= 1999
  45 #define FLT_EVAL_METHOD 0               /* no promotions */
  46 #define DECIMAL_DIG     35              /* max precision in decimal digits */
  47 #endif
  48
  49 #define FLT_MANT_DIG    24              /* p */
  50 #define FLT_EPSILON     1.19209290E-07F /* b**(1-p) */
  51 #define FLT_DIG         6               /* floor((p-1)*log10(b))+(b == 10) */
  52 #define FLT_MIN_EXP     -125            /* emin */
  53 #define FLT_MIN         1.17549435E-38F /* b**(emin-1) */
  54 #define FLT_MIN_10_EXP  -37             /* ceil(log10(b**(emin-1))) */
  55 #define FLT_MAX_EXP     128             /* emax */
  56 #define FLT_MAX         3.40282347E+38F /* (1-b**(-p))*b**emax */
  57 #define FLT_MAX_10_EXP  38              /* floor(log10((1-b**(-p))*b**emax)) */
  58
  59 #define DBL_MANT_DIG    53
  60 #define DBL_EPSILON     2.2204460492503131E-16
  61 #define DBL_DIG         15
  62 #define DBL_MIN_EXP     -1021
  63 #define DBL_MIN         2.2250738585072014E-308
  64 #define DBL_MIN_10_EXP  -307
  65 #define DBL_MAX_EXP     1024
  66 #define DBL_MAX         1.7976931348623157E+308
  67 #define DBL_MAX_10_EXP  308
  68
  69 #define LDBL_MANT_DIG   64
  70 #define LDBL_EPSILON    1.0842021724855044340E-19L
  71 #define LDBL_DIG        18
  72 #define LDBL_MIN_EXP    (-16381)
  73 #define LDBL_MIN        3.3621031431120935063E-4932L
  74 #define LDBL_MIN_10_EXP (-4931)
  75 #define LDBL_MAX_EXP    16384
  76 #define LDBL_MAX        1.1897314953572317650E+4932L
  77 #define LDBL_MAX_10_EXP 4932
  78
  79 #endif  /* _MACHINE_FLOAT_H_ */