121 lines
3.1 KiB
C
121 lines
3.1 KiB
C
/* $NetBSD: setovfl.c,v 1.3 2003/11/01 18:23:38 matt Exp $ */
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/* $OpenBSD: setovfl.c,v 1.4 2001/03/29 03:58:19 mickey Exp $ */
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/*
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* Copyright 1996 1995 by Open Software Foundation, Inc.
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* All Rights Reserved
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*
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* Permission to use, copy, modify, and distribute this software and
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* its documentation for any purpose and without fee is hereby granted,
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* provided that the above copyright notice appears in all copies and
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* that both the copyright notice and this permission notice appear in
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* supporting documentation.
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*
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* OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE.
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*
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* IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
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* NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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/*
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* pmk1.1
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*/
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/*
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* (c) Copyright 1986 HEWLETT-PACKARD COMPANY
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*
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* To anyone who acknowledges that this file is provided "AS IS"
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* without any express or implied warranty:
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* permission to use, copy, modify, and distribute this file
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* for any purpose is hereby granted without fee, provided that
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* the above copyright notice and this notice appears in all
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* copies, and that the name of Hewlett-Packard Company not be
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* used in advertising or publicity pertaining to distribution
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* of the software without specific, written prior permission.
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* Hewlett-Packard Company makes no representations about the
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* suitability of this software for any purpose.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: setovfl.c,v 1.3 2003/11/01 18:23:38 matt Exp $");
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#include "../spmath/float.h"
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#include "../spmath/sgl_float.h"
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#include "../spmath/dbl_float.h"
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sgl_floating_point
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sgl_setoverflow(sign)
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unsigned int sign;
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{
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sgl_floating_point result;
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/* set result to infinity or largest number */
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#if 0
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switch (Rounding_mode()) {
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case ROUNDPLUS:
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if (sign) {
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Sgl_setlargestnegative(result);
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} else {
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Sgl_setinfinitypositive(result);
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}
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break;
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case ROUNDMINUS:
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if (sign==0) {
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Sgl_setlargestpositive(result);
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} else {
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Sgl_setinfinitynegative(result);
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}
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break;
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case ROUNDNEAREST:
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Sgl_setinfinity(result,sign);
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break;
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default:
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case ROUNDZERO:
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Sgl_setlargest(result,sign);
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break;
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}
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#endif
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Sgl_setinfinity(result,sign);
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return(result);
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}
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dbl_floating_point dbl_setoverflow(sign)
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unsigned int sign;
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{
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dbl_floating_point result;
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/* set result to infinity or largest number */
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/* ignore for now
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switch (Rounding_mode()) {
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case ROUNDPLUS:
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if (sign) {
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Dbl_setlargestnegative(result);
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}
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else {
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Dbl_setinfinitypositive(result);
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}
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break;
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case ROUNDMINUS:
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if (sign==0) {
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Dbl_setlargestpositive(result);
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}
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else {
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Dbl_setinfinitynegative(result);
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}
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break;
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case ROUNDNEAREST:
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Dbl_setinfinity(result,sign);
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break;
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case ROUNDZERO:
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Dbl_setlargest(result,sign);
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}
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*/
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return(result);
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}
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