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 llroundf = __llroundf
  32 #if defined(__sparcv9) || defined(__amd64)
  33 #pragma weak lroundf = __llroundf
  34 #pragma weak __lroundf = __llroundf
  35 #endif
  36 #endif
  37 
  38 #include "libm.h"
  39 
  40 long long
  41 llroundf(float x) {
  42         union {
  43                 unsigned i;
  44                 float f;
  45         } xx;
  46         unsigned hx, sx, i;
  47 
  48         xx.f = x;
  49         hx = xx.i & ~0x80000000;
  50         sx = xx.i & 0x80000000;
  51 
  52         if (hx < 0x4b000000) { /* |x| < 2^23 */
  53                 /* handle |x| < 1 */
  54                 if (hx < 0x3f800000) {
  55                         if (hx >= 0x3f000000)
  56                                 return (sx ? -1LL : 1LL);

  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 llroundf = __llroundf
  31 #if defined(__sparcv9) || defined(__amd64)
  32 #pragma weak lroundf = __llroundf
  33 #pragma weak __lroundf = __llroundf
  34 #endif

  35 
  36 #include "libm.h"
  37 
  38 long long
  39 llroundf(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 
  50         if (hx < 0x4b000000) { /* |x| < 2^23 */
  51                 /* handle |x| < 1 */
  52                 if (hx < 0x3f800000) {
  53                         if (hx >= 0x3f000000)
  54                                 return (sx ? -1LL : 1LL);