osfmk/libsa/ieeefloat.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * @OSF_COPYRIGHT@
  30  *
  31  */
  32 /*
  33  * HISTORY
  34  *
  35  * Revision 1.1.1.1  1998/09/22 21:05:51  wsanchez
  36  * Import of Mac OS X kernel (~semeria)
  37  *
  38  * Revision 1.1.1.1  1998/03/07 02:25:35  wsanchez
  39  * Import of OSF Mach kernel (~mburg)
  40  *
  41  * Revision 1.1.2.1  1996/10/10  13:56:15  yp
  42  *      Created.
  43  *      [96/10/10            yp]
  44  *
  45  * $EndLog$
  46  */
  47
  48 #ifndef _IEEEFLOAT_H_
  49 #define _IEEEFLOAT_H_
  50
  51 /*
  52  * Copyright (c) 1989, 1993
  53  *      The Regents of the University of California.  All rights reserved.
  54  *
  55  * Redistribution and use in source and binary forms, with or without
  56  * modification, are permitted provided that the following conditions
  57  * are met:
  58  * 1. Redistributions of source code must retain the above copyright
  59  *    notice, this list of conditions and the following disclaimer.
  60  * 2. Redistributions in binary form must reproduce the above copyright
  61  *    notice, this list of conditions and the following disclaimer in the
  62  *    documentation and/or other materials provided with the distribution.
  63  * 3. All advertising materials mentioning features or use of this software
  64  *    must display the following acknowledgement:
  65  *      This product includes software developed by the University of
  66  *      California, Berkeley and its contributors.
  67  * 4. Neither the name of the University nor the names of its contributors
  68  *    may be used to endorse or promote products derived from this software
  69  *    without specific prior written permission.
  70  *
  71  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  72  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  73  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  74  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  75  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  76  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  77  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  78  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  79  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  80  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  81  * SUCH DAMAGE.
  82  *
  83  *      @(#)float.h     8.1 (Berkeley) 6/10/93
  84  */
  85
  86 #define FLT_RADIX       2               /* b */
  87 #define FLT_ROUNDS      1               /* FP addition rounds to nearest */
  88
  89 #define FLT_MANT_DIG    24              /* p */
  90 #define FLT_EPSILON     1.19209290E-07F /* b**(1-p) */
  91 #define FLT_DIG         6               /* floor((p-1)*log10(b))+(b == 10) */
  92 #define FLT_MIN_EXP     -125            /* emin */
  93 #define FLT_MIN         1.17549435E-38F /* b**(emin-1) */
  94 #define FLT_MIN_10_EXP  -37             /* ceil(log10(b**(emin-1))) */
  95 #define FLT_MAX_EXP     128             /* emax */
  96 #define FLT_MAX         3.40282347E+38F /* (1-b**(-p))*b**emax */
  97 #define FLT_MAX_10_EXP  38              /* floor(log10((1-b**(-p))*b**emax)) */
  98
  99 #define DBL_MANT_DIG    53
 100 #define DBL_EPSILON     2.2204460492503131E-16
 101 #define DBL_DIG         15
 102 #define DBL_MIN_EXP     -1021
 103 #define DBL_MIN         2.225073858507201E-308
 104 #define DBL_MIN_10_EXP  -307
 105 #define DBL_MAX_EXP     1024
 106 #define DBL_MAX         1.797693134862316E+308
 107 #define DBL_MAX_10_EXP  308
 108
 109 #define LDBL_MANT_DIG   DBL_MANT_DIG
 110 #define LDBL_EPSILON    DBL_EPSILON
 111 #define LDBL_DIG        DBL_DIG
 112 #define LDBL_MIN_EXP    DBL_MIN_EXP
 113 #define LDBL_MIN        DBL_MIN
 114 #define LDBL_MIN_10_EXP DBL_MIN_10_EXP
 115 #define LDBL_MAX_EXP    DBL_MAX_EXP
 116 #define LDBL_MAX        DBL_MAX
 117 #define LDBL_MAX_10_EXP DBL_MAX_10_EXP
 118
 119 #endif  /* _IEEEFLOAT_H_ */