/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include "lint.h"
#include "base_conversion.h"
/*
* Returns IEEE mode/status and
* sets up standard environment for base conversion.
*/
void
__get_ieee_flags(__ieee_flags_type *b) {
extern void _getcw(), _getsw(), _putcw();
int cw;
_getcw(&cw);
b->mode = cw;
_getsw(&b->status);
/*
* set CW to...
* RC (bits 10:11) 0 == round to nearest even
* PC (bits 8:9) 2 == round to double
* EM (bits 0:5) 0x3f == all exception trapping masked off
*/
cw = (cw & ~0xf3f) | 0x23f;
_putcw(cw);
}
/*
* Restores previous IEEE mode/status
*/
void
__set_ieee_flags(__ieee_flags_type *b) {
extern void _putcw(), _putsw();
_putcw(b->mode);
_putsw(b->status);
}