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Annotation of src/lib/libc/softfloat/fpsetround.c, Revision 1.4

1.4     ! matt        1: /* $NetBSD: fpsetround.c,v 1.3 2008/04/28 20:23:00 martin Exp $ */
1.1       bjh21       2:
                      3: /*-
                      4:  * Copyright (c) 1997 The NetBSD Foundation, Inc.
                      5:  * All rights reserved.
                      6:  *
                      7:  * This code is derived from software contributed to The NetBSD Foundation
                      8:  * by Neil A. Carson and Mark Brinicombe
                      9:  *
                     10:  * Redistribution and use in source and binary forms, with or without
                     11:  * modification, are permitted provided that the following conditions
                     12:  * are met:
                     13:  * 1. Redistributions of source code must retain the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer.
                     15:  * 2. Redistributions in binary form must reproduce the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer in the
                     17:  *    documentation and/or other materials provided with the distribution.
                     18:  *
                     19:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
                     20:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
                     21:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
                     22:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
                     23:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
                     24:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
                     25:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
                     26:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
                     27:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
                     28:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     29:  * POSSIBILITY OF SUCH DAMAGE.
                     30:  */
                     31:
                     32: #include <sys/cdefs.h>
                     33: #if defined(LIBC_SCCS) && !defined(lint)
1.4     ! matt       34: __RCSID("$NetBSD: fpsetround.c,v 1.3 2008/04/28 20:23:00 martin Exp $");
1.1       bjh21      35: #endif /* LIBC_SCCS and not lint */
                     36:
1.2       thorpej    37: #include "namespace.h"
                     38:
1.1       bjh21      39: #include <ieeefp.h>
                     40: #ifdef SOFTFLOAT_FOR_GCC
                     41: #include "softfloat-for-gcc.h"
                     42: #endif
                     43: #include "milieu.h"
                     44: #include "softfloat.h"
1.2       thorpej    45:
                     46: #ifdef __weak_alias
                     47: __weak_alias(fpsetround,_fpsetround)
                     48: #endif
1.1       bjh21      49:
                     50: fp_rnd
                     51: fpsetround(fp_rnd rnd_dir)
                     52: {
1.4     ! matt       53: #ifdef set_float_rounding_mode
        !            54:        return set_float_rounding_mode(rnd_dir);
        !            55: #else
        !            56:        const fp_rnd old = float_rounding_mode;
1.1       bjh21      57:        float_rounding_mode = rnd_dir;
                     58:        return old;
1.4     ! matt       59: #endif
1.1       bjh21      60: }