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 2005 Sun Microsystems, Inc. All rights reserved.
26 * Use is subject to license terms.
27 */
28
29 #pragma weak erff = __erff
30 #pragma weak erfcf = __erfcf
31
32 #include "libm.h"
33
34 #if defined(__i386) && !defined(__amd64)
35 extern int __swapRP(int);
36 #endif
37
38 float
39 erff(float x) {
40 int ix;
41
42 ix = *(int *)&x & ~0x80000000;
43 if (ix > 0x7f800000) /* x is NaN */
44 return (x * x);
45 return ((float)erf((double)x));
46 }
47
48 float
49 erfcf(float x) {
50 float f;
|
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 2005 Sun Microsystems, Inc. All rights reserved.
26 * Use is subject to license terms.
27 */
28
29 #pragma weak __erff = erff
30 #pragma weak __erfcf = erfcf
31
32 #include "libm.h"
33
34 #if defined(__i386) && !defined(__amd64)
35 extern int __swapRP(int);
36 #endif
37
38 float
39 erff(float x) {
40 int ix;
41
42 ix = *(int *)&x & ~0x80000000;
43 if (ix > 0x7f800000) /* x is NaN */
44 return (x * x);
45 return ((float)erf((double)x));
46 }
47
48 float
49 erfcf(float x) {
50 float f;
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