xref: /onnv-gate/usr/src/lib/libbc/inc/include/sys/ieeefp.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
23*0Sstevel@tonic-gate 
24*0Sstevel@tonic-gate /*
25*0Sstevel@tonic-gate  * Copyright (c) 1987 by Sun Microsystems, Inc.
26*0Sstevel@tonic-gate  */
27*0Sstevel@tonic-gate 
28*0Sstevel@tonic-gate /*
29*0Sstevel@tonic-gate  * Definitions for constants and types for IEEE floating point.
30*0Sstevel@tonic-gate  */
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #ifndef _sys_ieeefp_h
33*0Sstevel@tonic-gate #define _sys_ieeefp_h
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate /*	Sun TYPES for IEEE floating point.	*/
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate #ifdef sparc
39*0Sstevel@tonic-gate enum fp_direction_type 		/* rounding direction */
40*0Sstevel@tonic-gate 	{
41*0Sstevel@tonic-gate 	fp_nearest	= 0,
42*0Sstevel@tonic-gate 	fp_tozero	= 1,
43*0Sstevel@tonic-gate 	fp_positive	= 2,
44*0Sstevel@tonic-gate 	fp_negative	= 3
45*0Sstevel@tonic-gate 	} ;
46*0Sstevel@tonic-gate #endif
47*0Sstevel@tonic-gate #ifdef i386
48*0Sstevel@tonic-gate enum fp_direction_type 		/* rounding direction */
49*0Sstevel@tonic-gate 	{
50*0Sstevel@tonic-gate 	fp_nearest	= 0,
51*0Sstevel@tonic-gate 	fp_negative	= 1,
52*0Sstevel@tonic-gate 	fp_positive	= 2,
53*0Sstevel@tonic-gate 	fp_tozero	= 3
54*0Sstevel@tonic-gate 	} ;
55*0Sstevel@tonic-gate #endif
56*0Sstevel@tonic-gate #ifdef mc68000
57*0Sstevel@tonic-gate enum fp_direction_type 		/* rounding direction */
58*0Sstevel@tonic-gate 	{
59*0Sstevel@tonic-gate 	fp_nearest	= 0,
60*0Sstevel@tonic-gate 	fp_tozero	= 1,
61*0Sstevel@tonic-gate 	fp_negative	= 2,
62*0Sstevel@tonic-gate 	fp_positive	= 3
63*0Sstevel@tonic-gate 	} ;
64*0Sstevel@tonic-gate #endif
65*0Sstevel@tonic-gate 
66*0Sstevel@tonic-gate #ifdef i386
67*0Sstevel@tonic-gate enum fp_precision_type		/* extended rounding precision */
68*0Sstevel@tonic-gate 	{
69*0Sstevel@tonic-gate 	fp_single	= 0,
70*0Sstevel@tonic-gate 	fp_precision_3	= 1,
71*0Sstevel@tonic-gate 	fp_double	= 2,
72*0Sstevel@tonic-gate 	fp_extended	= 3
73*0Sstevel@tonic-gate 	} ;
74*0Sstevel@tonic-gate #else
75*0Sstevel@tonic-gate enum fp_precision_type		/* extended rounding precision */
76*0Sstevel@tonic-gate 	{
77*0Sstevel@tonic-gate 	fp_extended	= 0,
78*0Sstevel@tonic-gate 	fp_single	= 1,
79*0Sstevel@tonic-gate 	fp_double	= 2,
80*0Sstevel@tonic-gate 	fp_precision_3	= 3
81*0Sstevel@tonic-gate 	} ;
82*0Sstevel@tonic-gate #endif
83*0Sstevel@tonic-gate 
84*0Sstevel@tonic-gate #ifdef i386
85*0Sstevel@tonic-gate enum fp_exception_type		/* exceptions according to bit number */
86*0Sstevel@tonic-gate 	{
87*0Sstevel@tonic-gate 	fp_invalid	= 0,
88*0Sstevel@tonic-gate 	fp_denormalized	= 1,
89*0Sstevel@tonic-gate 	fp_division	= 2,
90*0Sstevel@tonic-gate 	fp_overflow	= 3,
91*0Sstevel@tonic-gate 	fp_underflow	= 4,
92*0Sstevel@tonic-gate 	fp_inexact	= 5
93*0Sstevel@tonic-gate 	} ;
94*0Sstevel@tonic-gate #else
95*0Sstevel@tonic-gate enum fp_exception_type		/* exceptions according to bit number */
96*0Sstevel@tonic-gate 	{
97*0Sstevel@tonic-gate 	fp_inexact	= 0,
98*0Sstevel@tonic-gate 	fp_division	= 1,
99*0Sstevel@tonic-gate 	fp_underflow	= 2,
100*0Sstevel@tonic-gate 	fp_overflow	= 3,
101*0Sstevel@tonic-gate 	fp_invalid	= 4
102*0Sstevel@tonic-gate 	} ;
103*0Sstevel@tonic-gate #endif
104*0Sstevel@tonic-gate 
105*0Sstevel@tonic-gate enum fp_class_type		/* floating-point classes */
106*0Sstevel@tonic-gate 	{
107*0Sstevel@tonic-gate 	fp_zero		= 0,
108*0Sstevel@tonic-gate 	fp_subnormal	= 1,
109*0Sstevel@tonic-gate 	fp_normal	= 2,
110*0Sstevel@tonic-gate 	fp_infinity   	= 3,
111*0Sstevel@tonic-gate 	fp_quiet	= 4,
112*0Sstevel@tonic-gate 	fp_signaling	= 5
113*0Sstevel@tonic-gate 	} ;
114*0Sstevel@tonic-gate 
115*0Sstevel@tonic-gate #endif /*!_sys_ieeefp_h*/
116