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 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
23 */
24 /*
25 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
26 * Use is subject to license terms.
27 */
28
29 #pragma weak fmod = __fmod
30
31 #include "libm.h"
32
33 static const double zero = 0.0;
34
35 /*
36 * The following implementation assumes fast 64-bit integer arith-
37 * metic. This is fine for sparc because we build libm in v8plus
38 * mode. It's also fine for sparcv9 and amd64, although we have
39 * assembly code on amd64. For x86, it would be better to use
40 * 32-bit code, but we have assembly for x86, too.
41 */
42 double
43 fmod(double x, double y) {
44 double w;
45 long long hx, ix, iy, iz;
46 int nd, k, ny;
47
48 hx = *(long long *)&x;
49 ix = hx & ~0x8000000000000000ull;
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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 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
23 */
24 /*
25 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
26 * Use is subject to license terms.
27 */
28
29 #pragma weak __fmod = fmod
30
31 #include "libm.h"
32
33 static const double zero = 0.0;
34
35 /*
36 * The following implementation assumes fast 64-bit integer arith-
37 * metic. This is fine for sparc because we build libm in v8plus
38 * mode. It's also fine for sparcv9 and amd64, although we have
39 * assembly code on amd64. For x86, it would be better to use
40 * 32-bit code, but we have assembly for x86, too.
41 */
42 double
43 fmod(double x, double y) {
44 double w;
45 long long hx, ix, iy, iz;
46 int nd, k, ny;
47
48 hx = *(long long *)&x;
49 ix = hx & ~0x8000000000000000ull;
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