/*      $NetBSD: setovfl.c,v 1.7 2012/02/04 17:03:10 skrll Exp $        */

/*      $OpenBSD: setovfl.c,v 1.4 2001/03/29 03:58:19 mickey Exp $      */

/*
* Copyright 1996 1995 by Open Software Foundation, Inc.
*              All Rights Reserved
*
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appears in all copies and
* that both the copyright notice and this permission notice appear in
* supporting documentation.
*
* OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE.
*
* IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
* NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
/*
* pmk1.1
*/
/*
* (c) Copyright 1986 HEWLETT-PACKARD COMPANY
*
* To anyone who acknowledges that this file is provided "AS IS"
* without any express or implied warranty:
*     permission to use, copy, modify, and distribute this file
* for any purpose is hereby granted without fee, provided that
* the above copyright notice and this notice appears in all
* copies, and that the name of Hewlett-Packard Company not be
* used in advertising or publicity pertaining to distribution
* of the software without specific, written prior permission.
* Hewlett-Packard Company makes no representations about the
* suitability of this software for any purpose.
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: setovfl.c,v 1.7 2012/02/04 17:03:10 skrll Exp $");

#include "../spmath/float.h"
#include "../spmath/sgl_float.h"
#include "../spmath/dbl_float.h"

sgl_floating_point
sgl_setoverflow(unsigned int sign)
{
       sgl_floating_point result;

       /* set result to infinity or largest number */
#if 0
       switch (Rounding_mode()) {
               case ROUNDPLUS:
                       if (sign) {
                               Sgl_setlargestnegative(result);
                       } else {
                               Sgl_setinfinitypositive(result);
                       }
                       break;
               case ROUNDMINUS:
                       if (sign==0) {
                               Sgl_setlargestpositive(result);
                       } else {
                               Sgl_setinfinitynegative(result);
                       }
                       break;
               case ROUNDNEAREST:
                       Sgl_setinfinity(result,sign);
                       break;
               default:
               case ROUNDZERO:
                       Sgl_setlargest(result,sign);
                       break;
       }
#endif
       Sgl_setinfinity(result,sign);
       return(result);
}

dbl_floating_point dbl_setoverflow(unsigned int sign)
{
       dbl_floating_point result;

       /* set result to infinity or largest number */
       /* ignore for now
       switch (Rounding_mode()) {
               case ROUNDPLUS:
                       if (sign) {
                               Dbl_setlargestnegative(result);
                       }
                       else {
                               Dbl_setinfinitypositive(result);
                       }
                       break;
               case ROUNDMINUS:
                       if (sign==0) {
                               Dbl_setlargestpositive(result);
                       }
                       else {
                               Dbl_setinfinitynegative(result);
                       }
                       break;
               case ROUNDNEAREST:
                       Dbl_setinfinity(result,sign);
                       break;
               case ROUNDZERO:
                       Dbl_setlargest(result,sign);
       }
       */
       Dbl_setinfinity(result.wd0,result.wd1,sign);
       return(result);
}