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 significandf = __significandf
31
32 #include "libm.h"
33
34 float
35 significandf(float x) {
36 int ix = *(int *) &x & ~0x80000000;
37
38 if (ix == 0 || ix >= 0x7f800000) /* 0/+-Inf/NaN */
39 #if defined(FPADD_TRAPS_INCOMPLETE_ON_NAN)
40 return (ix > 0x7f800000 ? x * x : x);
41 #else
42 return (x + x);
43 #endif
44 else
45 return (scalbnf(x, -ilogbf(x)));
46 }
|
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 __significandf = significandf
31
32 #include "libm.h"
33
34 float
35 significandf(float x) {
36 int ix = *(int *) &x & ~0x80000000;
37
38 if (ix == 0 || ix >= 0x7f800000) /* 0/+-Inf/NaN */
39 #if defined(FPADD_TRAPS_INCOMPLETE_ON_NAN)
40 return (ix > 0x7f800000 ? x * x : x);
41 #else
42 return (x + x);
43 #endif
44 else
45 return (scalbnf(x, -ilogbf(x)));
46 }
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