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 nan = __nan
  32 #endif
  33 
  34 /*
  35  *  nan(c) returns a NaN.  This implementation ignores c.
  36  */
  37 
  38 #include "libm.h"
  39 #include <sys/isa_defs.h>
  40 
  41 #if defined(__sparc)
  42 
  43 static const union {
  44         unsigned i[2];
  45         double d;
  46 } __nan_union = { 0x7fffffff, 0xffffffff };
  47 
  48 #elif defined(__i386) || defined(__amd64)
  49 
  50 static const union {
  51         unsigned i[2];
  52         double d;

  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 nan = __nan

  31 
  32 /*
  33  *  nan(c) returns a NaN.  This implementation ignores c.
  34  */
  35 
  36 #include "libm.h"
  37 #include <sys/isa_defs.h>
  38 
  39 #if defined(__sparc)
  40 
  41 static const union {
  42         unsigned i[2];
  43         double d;
  44 } __nan_union = { 0x7fffffff, 0xffffffff };
  45 
  46 #elif defined(__i386) || defined(__amd64)
  47 
  48 static const union {
  49         unsigned i[2];
  50         double d;