osfmk/libsa/ieeefloat.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * @OSF_COPYRIGHT@
  24  *
  25  */
  26 /*
  27  * HISTORY
  28  *
  29  * Revision 1.1.1.1  1998/09/22 21:05:51  wsanchez
  30  * Import of Mac OS X kernel (~semeria)
  31  *
  32  * Revision 1.1.1.1  1998/03/07 02:25:35  wsanchez
  33  * Import of OSF Mach kernel (~mburg)
  34  *
  35  * Revision 1.1.2.1  1996/10/10  13:56:15  yp
  36  *      Created.
  37  *      [96/10/10            yp]
  38  *
  39  * $EndLog$
  40  */
  41
  42 #ifndef _IEEEFLOAT_H_
  43 #define _IEEEFLOAT_H_
  44
  45 /*
  46  * Copyright (c) 1989, 1993
  47  *      The Regents of the University of California.  All rights reserved.
  48  *
  49  * Redistribution and use in source and binary forms, with or without
  50  * modification, are permitted provided that the following conditions
  51  * are met:
  52  * 1. Redistributions of source code must retain the above copyright
  53  *    notice, this list of conditions and the following disclaimer.
  54  * 2. Redistributions in binary form must reproduce the above copyright
  55  *    notice, this list of conditions and the following disclaimer in the
  56  *    documentation and/or other materials provided with the distribution.
  57  * 3. All advertising materials mentioning features or use of this software
  58  *    must display the following acknowledgement:
  59  *      This product includes software developed by the University of
  60  *      California, Berkeley and its contributors.
  61  * 4. Neither the name of the University nor the names of its contributors
  62  *    may be used to endorse or promote products derived from this software
  63  *    without specific prior written permission.
  64  *
  65  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  66  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  67  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  68  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  69  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  70  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  71  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  72  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  73  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  74  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  75  * SUCH DAMAGE.
  76  *
  77  *      @(#)float.h     8.1 (Berkeley) 6/10/93
  78  */
  79
  80 #define FLT_RADIX       2               /* b */
  81 #define FLT_ROUNDS      1               /* FP addition rounds to nearest */
  82
  83 #define FLT_MANT_DIG    24              /* p */
  84 #define FLT_EPSILON     1.19209290E-07F /* b**(1-p) */
  85 #define FLT_DIG         6               /* floor((p-1)*log10(b))+(b == 10) */
  86 #define FLT_MIN_EXP     -125            /* emin */
  87 #define FLT_MIN         1.17549435E-38F /* b**(emin-1) */
  88 #define FLT_MIN_10_EXP  -37             /* ceil(log10(b**(emin-1))) */
  89 #define FLT_MAX_EXP     128             /* emax */
  90 #define FLT_MAX         3.40282347E+38F /* (1-b**(-p))*b**emax */
  91 #define FLT_MAX_10_EXP  38              /* floor(log10((1-b**(-p))*b**emax)) */
  92
  93 #define DBL_MANT_DIG    53
  94 #define DBL_EPSILON     2.2204460492503131E-16
  95 #define DBL_DIG         15
  96 #define DBL_MIN_EXP     -1021
  97 #define DBL_MIN         2.225073858507201E-308
  98 #define DBL_MIN_10_EXP  -307
  99 #define DBL_MAX_EXP     1024
 100 #define DBL_MAX         1.797693134862316E+308
 101 #define DBL_MAX_10_EXP  308
 102
 103 #define LDBL_MANT_DIG   DBL_MANT_DIG
 104 #define LDBL_EPSILON    DBL_EPSILON
 105 #define LDBL_DIG        DBL_DIG
 106 #define LDBL_MIN_EXP    DBL_MIN_EXP
 107 #define LDBL_MIN        DBL_MIN
 108 #define LDBL_MIN_10_EXP DBL_MIN_10_EXP
 109 #define LDBL_MAX_EXP    DBL_MAX_EXP
 110 #define LDBL_MAX        DBL_MAX
 111 #define LDBL_MAX_10_EXP DBL_MAX_10_EXP
 112
 113 #endif  /* _IEEEFLOAT_H_ */