ieeefp.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_IEEEFP_H
#define _SYS_IEEEFP_H
#pragma ident "%Z%%M% %I% %E% SMI" /* SunOS4.0 1.6 */
#ifdef __cplusplus
extern "C" {
#endif
/*
* Sun types for IEEE floating point.
*/
#if defined(__sparc)
enum fp_direction_type { /* rounding direction */
fp_nearest = 0,
fp_tozero = 1,
fp_positive = 2,
fp_negative = 3
};
enum fp_precision_type { /* extended rounding precision */
fp_extended = 0,
fp_single = 1,
fp_double = 2,
fp_precision_3 = 3
};
enum fp_exception_type { /* exceptions according to bit number */
fp_inexact = 0,
fp_division = 1,
fp_underflow = 2,
fp_overflow = 3,
fp_invalid = 4
};
enum fp_trap_enable_type { /* trap enable bits according to bit number */
fp_trap_inexact = 0,
fp_trap_division = 1,
fp_trap_underflow = 2,
fp_trap_overflow = 3,
fp_trap_invalid = 4
};
#elif defined(__i386) || defined(__amd64)
enum fp_direction_type { /* rounding direction */
fp_nearest = 0,
fp_negative = 1,
fp_positive = 2,
fp_tozero = 3
};
enum fp_precision_type { /* extended rounding precision */
fp_single = 0,
fp_precision_3 = 1,
fp_double = 2,
fp_extended = 3
};
enum fp_exception_type { /* exceptions according to bit number */
fp_invalid = 0,
fp_denormalized = 1,
fp_division = 2,
fp_overflow = 3,
fp_underflow = 4,
fp_inexact = 5
};
enum fp_trap_enable_type { /* trap enable bits according to bit number */
fp_trap_invalid = 0,
fp_trap_denormalized = 1,
fp_trap_division = 2,
fp_trap_overflow = 3,
fp_trap_underflow = 4,
fp_trap_inexact = 5
};
#endif /* __i386 || __ia64 || __amd64 */
enum fp_class_type { /* floating-point classes */
fp_zero = 0,
fp_subnormal = 1,
fp_normal = 2,
fp_infinity = 3,
fp_quiet = 4,
fp_signaling = 5
};
#ifdef __cplusplus
}
#endif
#endif /* _SYS_IEEEFP_H */