feprec.c revision ddc0e0b53c661f6e439e3b7072b3ef353eadb4af
/*
* 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 2011 Nexenta Systems, Inc. All rights reserved.
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma weak __fegetprec = fegetprec
#pragma weak __fesetprec = fesetprec
#include <fenv.h>
#include <ucontext.h>
#include <thread.h>
#include "fex_handler.h"
int fegetprec(void)
{
unsigned long fsr;
__fenv_getfsr(&fsr);
return __fenv_get_rp(fsr);
}
int fesetprec(int r)
{
unsigned long fsr;
if (r != FE_FLTPREC && r != FE_DBLPREC && r != FE_LDBLPREC)
return 0;
__fenv_getfsr(&fsr);
__fenv_set_rp(fsr, r);
__fenv_setfsr(&fsr);
return 1;
}