usr/src/lib/libbc/inc/include/sys/ieeefp.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 #pragma ident   "%Z%%M% %I%     %E% SMI"
  23
  24 /*
  25  * Copyright (c) 1987 by Sun Microsystems, Inc.
  26  */
  27
  28 /*
  29  * Definitions for constants and types for IEEE floating point.
  30  */
  31
  32 #ifndef _sys_ieeefp_h
  33 #define _sys_ieeefp_h
  34
  35
  36 /*      Sun TYPES for IEEE floating point.      */
  37
  38 #ifdef sparc
  39 enum fp_direction_type          /* rounding direction */
  40         {
  41         fp_nearest      = 0,
  42         fp_tozero       = 1,
  43         fp_positive     = 2,
  44         fp_negative     = 3
  45         } ;
  46 #endif
  47 #ifdef i386
  48 enum fp_direction_type          /* rounding direction */
  49         {
  50         fp_nearest      = 0,
  51         fp_negative     = 1,
  52         fp_positive     = 2,
  53         fp_tozero       = 3
  54         } ;
  55 #endif
  56 #ifdef mc68000
  57 enum fp_direction_type          /* rounding direction */
  58         {
  59         fp_nearest      = 0,
  60         fp_tozero       = 1,
  61         fp_negative     = 2,
  62         fp_positive     = 3
  63         } ;
  64 #endif
  65
  66 #ifdef i386
  67 enum fp_precision_type          /* extended rounding precision */
  68         {
  69         fp_single       = 0,
  70         fp_precision_3  = 1,
  71         fp_double       = 2,
  72         fp_extended     = 3
  73         } ;
  74 #else
  75 enum fp_precision_type          /* extended rounding precision */
  76         {
  77         fp_extended     = 0,
  78         fp_single       = 1,
  79         fp_double       = 2,
  80         fp_precision_3  = 3
  81         } ;
  82 #endif
  83
  84 #ifdef i386
  85 enum fp_exception_type          /* exceptions according to bit number */
  86         {
  87         fp_invalid      = 0,
  88         fp_denormalized = 1,
  89         fp_division     = 2,
  90         fp_overflow     = 3,
  91         fp_underflow    = 4,
  92         fp_inexact      = 5
  93         } ;
  94 #else
  95 enum fp_exception_type          /* exceptions according to bit number */
  96         {
  97         fp_inexact      = 0,
  98         fp_division     = 1,
  99         fp_underflow    = 2,
 100         fp_overflow     = 3,
 101         fp_invalid      = 4
 102         } ;
 103 #endif
 104
 105 enum fp_class_type              /* floating-point classes */
 106         {
 107         fp_zero         = 0,
 108         fp_subnormal    = 1,
 109         fp_normal       = 2,
 110         fp_infinity     = 3,
 111         fp_quiet        = 4,
 112         fp_signaling    = 5
 113         } ;
 114
 115 #endif /*!_sys_ieeefp_h*/