osfmk/libsa/ieeefloat.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * @OSF_COPYRIGHT@
  27  *
  28  */
  29 /*
  30  * HISTORY
  31  *
  32  * Revision 1.1.1.1  1998/09/22 21:05:51  wsanchez
  33  * Import of Mac OS X kernel (~semeria)
  34  *
  35  * Revision 1.1.1.1  1998/03/07 02:25:35  wsanchez
  36  * Import of OSF Mach kernel (~mburg)
  37  *
  38  * Revision 1.1.2.1  1996/10/10  13:56:15  yp
  39  *      Created.
  40  *      [96/10/10            yp]
  41  *
  42  * $EndLog$
  43  */
  44
  45 #ifndef _IEEEFLOAT_H_
  46 #define _IEEEFLOAT_H_
  47
  48 /*
  49  * Copyright (c) 1989, 1993
  50  *      The Regents of the University of California.  All rights reserved.
  51  *
  52  * Redistribution and use in source and binary forms, with or without
  53  * modification, are permitted provided that the following conditions
  54  * are met:
  55  * 1. Redistributions of source code must retain the above copyright
  56  *    notice, this list of conditions and the following disclaimer.
  57  * 2. Redistributions in binary form must reproduce the above copyright
  58  *    notice, this list of conditions and the following disclaimer in the
  59  *    documentation and/or other materials provided with the distribution.
  60  * 3. All advertising materials mentioning features or use of this software
  61  *    must display the following acknowledgement:
  62  *      This product includes software developed by the University of
  63  *      California, Berkeley and its contributors.
  64  * 4. Neither the name of the University nor the names of its contributors
  65  *    may be used to endorse or promote products derived from this software
  66  *    without specific prior written permission.
  67  *
  68  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  69  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  70  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  71  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  72  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  73  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  74  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  75  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  76  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  77  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  78  * SUCH DAMAGE.
  79  *
  80  *      @(#)float.h     8.1 (Berkeley) 6/10/93
  81  */
  82
  83 #define FLT_RADIX       2               /* b */
  84 #define FLT_ROUNDS      1               /* FP addition rounds to nearest */
  85
  86 #define FLT_MANT_DIG    24              /* p */
  87 #define FLT_EPSILON     1.19209290E-07F /* b**(1-p) */
  88 #define FLT_DIG         6               /* floor((p-1)*log10(b))+(b == 10) */
  89 #define FLT_MIN_EXP     -125            /* emin */
  90 #define FLT_MIN         1.17549435E-38F /* b**(emin-1) */
  91 #define FLT_MIN_10_EXP  -37             /* ceil(log10(b**(emin-1))) */
  92 #define FLT_MAX_EXP     128             /* emax */
  93 #define FLT_MAX         3.40282347E+38F /* (1-b**(-p))*b**emax */
  94 #define FLT_MAX_10_EXP  38              /* floor(log10((1-b**(-p))*b**emax)) */
  95
  96 #define DBL_MANT_DIG    53
  97 #define DBL_EPSILON     2.2204460492503131E-16
  98 #define DBL_DIG         15
  99 #define DBL_MIN_EXP     -1021
 100 #define DBL_MIN         2.225073858507201E-308
 101 #define DBL_MIN_10_EXP  -307
 102 #define DBL_MAX_EXP     1024
 103 #define DBL_MAX         1.797693134862316E+308
 104 #define DBL_MAX_10_EXP  308
 105
 106 #define LDBL_MANT_DIG   DBL_MANT_DIG
 107 #define LDBL_EPSILON    DBL_EPSILON
 108 #define LDBL_DIG        DBL_DIG
 109 #define LDBL_MIN_EXP    DBL_MIN_EXP
 110 #define LDBL_MIN        DBL_MIN
 111 #define LDBL_MIN_10_EXP DBL_MIN_10_EXP
 112 #define LDBL_MAX_EXP    DBL_MAX_EXP
 113 #define LDBL_MAX        DBL_MAX
 114 #define LDBL_MAX_10_EXP DBL_MAX_10_EXP
 115
 116 #endif  /* _IEEEFLOAT_H_ */