Print this page
5261 libm should stop using synonyms.h
5298 fabs is 0-sized, confuses dis(1) and others
Reviewed by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
Approved by: Gordon Ross <gwr@nexenta.com>


   9  * or http://www.opensolaris.org/os/licensing.
  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  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  23  */
  24 /*
  25  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  26  * Use is subject to license terms.
  27  */
  28 
  29 #pragma weak lgamma = __lgamma
  30 
  31 #include "libm.h"
  32 
  33 extern int signgam;
  34 
  35 double
  36 lgamma(double x) {
  37         double  g;
  38 
  39         if (!finite(x))
  40                 return (x * x);
  41 
  42         g = rint(x);
  43         if (x == g && x <= 0.0) {
  44                 signgam = 1;
  45                 return (_SVID_libm_err(x, x, 15));
  46         }
  47 
  48         g = __k_lgamma(x, &signgam);
  49         if (!finite(g))


   9  * or http://www.opensolaris.org/os/licensing.
  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  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  23  */
  24 /*
  25  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  26  * Use is subject to license terms.
  27  */
  28 
  29 #pragma weak __lgamma = lgamma
  30 
  31 #include "libm.h"
  32 
  33 extern int signgam;
  34 
  35 double
  36 lgamma(double x) {
  37         double  g;
  38 
  39         if (!finite(x))
  40                 return (x * x);
  41 
  42         g = rint(x);
  43         if (x == g && x <= 0.0) {
  44                 signgam = 1;
  45                 return (_SVID_libm_err(x, x, 15));
  46         }
  47 
  48         g = __k_lgamma(x, &signgam);
  49         if (!finite(g))