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 ilogbl = __ilogbl
32 #endif
33
34 #include "libm.h"
35 #include "xpg6.h" /* __xpg6 */
36
37 #if defined(__sparc)
38 #define ISNORMALL(k, x) (k != 0x7fff) /* assuming k != 0 */
39 #define X86PDNRM(k, x)
40 #define XSCALE_OFFSET 0x406f /* 0x3fff + 112 */
41 static const long double xscale = 5192296858534827628530496329220096.0L;
42 /* 2^112 */
43 #elif defined(__x86)
44 /*
45 * if pseudo-denormal, replace by the equivalent normal
46 */
47 #define X86PDNRM(k, x) if (k == 0 && (((int *) &x)[1] & 0x80000000) != 0) \
48 ((int *) &x)[2] |= k = 1
49 #if defined(HANDLE_UNSUPPORTED) /* assuming k != 0 */
50 #define ISNORMALL(k, x) (k != 0x7fff && (((int *) &x)[1] & 0x80000000) != 0)
51 #else
52 #define ISNORMALL(k, x) (k != 0x7fff)
|
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 __ilogbl = ilogbl
31
32 #include "libm.h"
33 #include "xpg6.h" /* __xpg6 */
34
35 #if defined(__sparc)
36 #define ISNORMALL(k, x) (k != 0x7fff) /* assuming k != 0 */
37 #define X86PDNRM(k, x)
38 #define XSCALE_OFFSET 0x406f /* 0x3fff + 112 */
39 static const long double xscale = 5192296858534827628530496329220096.0L;
40 /* 2^112 */
41 #elif defined(__x86)
42 /*
43 * if pseudo-denormal, replace by the equivalent normal
44 */
45 #define X86PDNRM(k, x) if (k == 0 && (((int *) &x)[1] & 0x80000000) != 0) \
46 ((int *) &x)[2] |= k = 1
47 #if defined(HANDLE_UNSUPPORTED) /* assuming k != 0 */
48 #define ISNORMALL(k, x) (k != 0x7fff && (((int *) &x)[1] & 0x80000000) != 0)
49 #else
50 #define ISNORMALL(k, x) (k != 0x7fff)
|