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 #if defined(ELFOBJ)
31 #pragma weak lroundf = __lroundf
32 #endif
33
34 #include <sys/isa_defs.h> /* _ILP32 */
35 #include "libm.h"
36
37 #if defined(_ILP32)
38 long
39 lroundf(float x) {
40 union {
41 unsigned i;
42 float f;
43 } xx;
44 unsigned hx, sx, i;
45
46 xx.f = x;
47 hx = xx.i & ~0x80000000;
48 sx = xx.i & 0x80000000;
49 if (hx < 0x4b000000) { /* |x| < 2^23 */
50 if (hx < 0x3f800000) { /* |x| < 1 */
51 if (hx >= 0x3f000000)
52 return (sx ? -1L : 1L);
|
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 lroundf = __lroundf
31
32 #include <sys/isa_defs.h> /* _ILP32 */
33 #include "libm.h"
34
35 #if defined(_ILP32)
36 long
37 lroundf(float x) {
38 union {
39 unsigned i;
40 float f;
41 } xx;
42 unsigned hx, sx, i;
43
44 xx.f = x;
45 hx = xx.i & ~0x80000000;
46 sx = xx.i & 0x80000000;
47 if (hx < 0x4b000000) { /* |x| < 2^23 */
48 if (hx < 0x3f800000) { /* |x| < 1 */
49 if (hx >= 0x3f000000)
50 return (sx ? -1L : 1L);
|