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 truncl = __truncl
32 #endif
33
34 #include "libm.h"
35
36 #if defined(__sparc)
37 long double
38 truncl(long double x) {
39 union {
40 unsigned i[4];
41 long double q;
42 } xx;
43 unsigned hx, sx;
44 int j;
45
46 xx.q = x;
47 sx = xx.i[0] & 0x80000000;
48 hx = xx.i[0] & ~0x80000000;
49
50 /* handle trivial cases */
51 if (hx >= 0x406f0000) /* |x| >= 2^112 + ... or x is nan */
52 return (hx >= 0x7fff0000 ? x + x : x);
|
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 __truncl = truncl
31
32 #include "libm.h"
33
34 #if defined(__sparc)
35 long double
36 truncl(long double x) {
37 union {
38 unsigned i[4];
39 long double q;
40 } xx;
41 unsigned hx, sx;
42 int j;
43
44 xx.q = x;
45 sx = xx.i[0] & 0x80000000;
46 hx = xx.i[0] & ~0x80000000;
47
48 /* handle trivial cases */
49 if (hx >= 0x406f0000) /* |x| >= 2^112 + ... or x is nan */
50 return (hx >= 0x7fff0000 ? x + x : x);
|