/*
* 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 1995 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "_Qquad.h"
#include "_Qglobals.h"
unsigned
_Q_qtou(QUAD x)
{
unpacked px;
QUAD c;
unsigned u,*pc = (unsigned*)&c,r;
enum fp_direction_type saved_fp_direction = fp_direction;
pc[0] = 0x401e0000; pc[1]=pc[2]=pc[3]=0; /* c = 2^31 */
r = 0;
u = *(int*)&x; /* high part of x */
if(u>=0x401e0000&&u<0x401f0000) {
r = 0x80000000;
x = _Q_sub(x,c);
}
_fp_current_exceptions = 0;
fp_direction = fp_tozero;
_fp_unpack(&px, (int *)&x,fp_op_extended);
_fp_pack(&px, (int *)&u,fp_op_integer);
_Q_set_exception(_fp_current_exceptions);
fp_direction = saved_fp_direction;
return (u|r);
}