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 roundl = __roundl
  31 
  32 #include "libm.h"
  33 
  34 #if defined(__sparc)
  35 long double
  36 roundl(long double x) {
  37         union {
  38                 unsigned i[4];
  39                 long double q;
  40         } xx;
  41         unsigned hx, sx, v;
  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);

  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 __roundl = roundl
  31 
  32 #include "libm.h"
  33 
  34 #if defined(__sparc)
  35 long double
  36 roundl(long double x) {
  37         union {
  38                 unsigned i[4];
  39                 long double q;
  40         } xx;
  41         unsigned hx, sx, v;
  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);