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 hypotf = __hypotf
  31 
  32 #include "libm.h"
  33 
  34 float
  35 hypotf(float x, float y) {
  36         double dx, dy;
  37         float w;
  38         int ix, iy;
  39 
  40         ix = (*(int *) &x) & 0x7fffffff;
  41         iy = (*(int *) &y) & 0x7fffffff;
  42         if (ix >= 0x7f800000) {
  43                 if (ix == 0x7f800000)
  44                         *(int *) &w = x == y ? iy : ix;     /* w = |x| = inf */
  45                 else if (iy == 0x7f800000)
  46                         *(int *) &w = x == y ? ix : iy;     /* w = |y| = inf */
  47                 else
  48                         w = fabsf(x) * fabsf(y);        /* + -> * for Cheetah */
  49         } else if (iy >= 0x7f800000) {
  50                 if (iy == 0x7f800000)

  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 __hypotf = hypotf
  31 
  32 #include "libm.h"
  33 
  34 float
  35 hypotf(float x, float y) {
  36         double dx, dy;
  37         float w;
  38         int ix, iy;
  39 
  40         ix = (*(int *) &x) & 0x7fffffff;
  41         iy = (*(int *) &y) & 0x7fffffff;
  42         if (ix >= 0x7f800000) {
  43                 if (ix == 0x7f800000)
  44                         *(int *) &w = x == y ? iy : ix;     /* w = |x| = inf */
  45                 else if (iy == 0x7f800000)
  46                         *(int *) &w = x == y ? ix : iy;     /* w = |y| = inf */
  47                 else
  48                         w = fabsf(x) * fabsf(y);        /* + -> * for Cheetah */
  49         } else if (iy >= 0x7f800000) {
  50                 if (iy == 0x7f800000)