/*
 * 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 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_IEEEFP_H
#define _SYS_IEEEFP_H

#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
};
#define N_IEEE_EXCEPTION 5      /* Number of floating-point exceptions. */

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
};
#define N_IEEE_EXCEPTION 6      /* Number of floating-point exceptions. */

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 || __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 */