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 __remainderf = remainderf
31
32 #include "libm.h"
33
34 float
remainderf(float x,float y)35 remainderf(float x, float y) {
36 if (isnanf(x) || isnanf(y))
37 return (x * y);
38 if (y == 0.0f || (*(int *) &x & ~0x80000000) == 0x7f800000) {
39 /* y is 0 or x is infinite; raise invalid and return NaN */
40 y = 0.0f;
41 *(int *) &x = 0x7f800000;
42 return (x * y);
43 }
44 return ((float) remainder((double) x, (double) y));
45 }
46