1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 
  22 /*
  23  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  24  */
  25 /*
  26  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  27  * Use is subject to license terms.
  28  */
  29 
  30 #pragma weak fegetprec = __fegetprec
  31 #pragma weak fesetprec = __fesetprec
  32 
  33 #include "fenv_synonyms.h"
  34 #include <fenv.h>
  35 #include <ucontext.h>
  36 #include <thread.h>
  37 #include "fex_handler.h"
  38 
  39 int fegetprec(void)
  40 {
  41         unsigned long   fsr;
  42 
  43         __fenv_getfsr(&fsr);
  44         return __fenv_get_rp(fsr);
  45 }
  46 
  47 int fesetprec(int r)
  48 {
  49         unsigned long   fsr;
  50 
  51         if (r != FE_FLTPREC && r != FE_DBLPREC && r != FE_LDBLPREC)
  52                 return 0;
  53         __fenv_getfsr(&fsr);
  54         __fenv_set_rp(fsr, r);
  55         __fenv_setfsr(&fsr);
  56         return 1;
  57 }