1*84d9c625SLionel Sambuc /* $NetBSD: fpsetround.c,v 1.4 2013/01/10 08:16:10 matt Exp $ */
22fe8fb19SBen Gras
32fe8fb19SBen Gras /*-
42fe8fb19SBen Gras * Copyright (c) 1997 The NetBSD Foundation, Inc.
52fe8fb19SBen Gras * All rights reserved.
62fe8fb19SBen Gras *
72fe8fb19SBen Gras * This code is derived from software contributed to The NetBSD Foundation
82fe8fb19SBen Gras * by Neil A. Carson and Mark Brinicombe
92fe8fb19SBen Gras *
102fe8fb19SBen Gras * Redistribution and use in source and binary forms, with or without
112fe8fb19SBen Gras * modification, are permitted provided that the following conditions
122fe8fb19SBen Gras * are met:
132fe8fb19SBen Gras * 1. Redistributions of source code must retain the above copyright
142fe8fb19SBen Gras * notice, this list of conditions and the following disclaimer.
152fe8fb19SBen Gras * 2. Redistributions in binary form must reproduce the above copyright
162fe8fb19SBen Gras * notice, this list of conditions and the following disclaimer in the
172fe8fb19SBen Gras * documentation and/or other materials provided with the distribution.
182fe8fb19SBen Gras *
192fe8fb19SBen Gras * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
202fe8fb19SBen Gras * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
212fe8fb19SBen Gras * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
222fe8fb19SBen Gras * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
232fe8fb19SBen Gras * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
242fe8fb19SBen Gras * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
252fe8fb19SBen Gras * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
262fe8fb19SBen Gras * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
272fe8fb19SBen Gras * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
282fe8fb19SBen Gras * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
292fe8fb19SBen Gras * POSSIBILITY OF SUCH DAMAGE.
302fe8fb19SBen Gras */
312fe8fb19SBen Gras
322fe8fb19SBen Gras #include <sys/cdefs.h>
332fe8fb19SBen Gras #if defined(LIBC_SCCS) && !defined(lint)
34*84d9c625SLionel Sambuc __RCSID("$NetBSD: fpsetround.c,v 1.4 2013/01/10 08:16:10 matt Exp $");
352fe8fb19SBen Gras #endif /* LIBC_SCCS and not lint */
362fe8fb19SBen Gras
372fe8fb19SBen Gras #include "namespace.h"
382fe8fb19SBen Gras
392fe8fb19SBen Gras #include <ieeefp.h>
402fe8fb19SBen Gras #ifdef SOFTFLOAT_FOR_GCC
412fe8fb19SBen Gras #include "softfloat-for-gcc.h"
422fe8fb19SBen Gras #endif
432fe8fb19SBen Gras #include "milieu.h"
442fe8fb19SBen Gras #include "softfloat.h"
452fe8fb19SBen Gras
462fe8fb19SBen Gras #ifdef __weak_alias
__weak_alias(fpsetround,_fpsetround)472fe8fb19SBen Gras __weak_alias(fpsetround,_fpsetround)
482fe8fb19SBen Gras #endif
492fe8fb19SBen Gras
502fe8fb19SBen Gras fp_rnd
512fe8fb19SBen Gras fpsetround(fp_rnd rnd_dir)
522fe8fb19SBen Gras {
53*84d9c625SLionel Sambuc #ifdef set_float_rounding_mode
54*84d9c625SLionel Sambuc return set_float_rounding_mode(rnd_dir);
55*84d9c625SLionel Sambuc #else
56*84d9c625SLionel Sambuc const fp_rnd old = float_rounding_mode;
572fe8fb19SBen Gras float_rounding_mode = rnd_dir;
582fe8fb19SBen Gras return old;
59*84d9c625SLionel Sambuc #endif
602fe8fb19SBen Gras }
61