--- rpl/lapack/lapack/zsytrf_rook.f	2015/11/26 11:44:27	1.3
+++ rpl/lapack/lapack/zsytrf_rook.f	2023/08/07 08:39:39	1.9
@@ -2,24 +2,24 @@
 *
 *  =========== DOCUMENTATION ===========
 *
-* Online html documentation available at 
-*            http://www.netlib.org/lapack/explore-html/ 
+* Online html documentation available at
+*            http://www.netlib.org/lapack/explore-html/
 *
 *> \htmlonly
-*> Download ZSYTRF_ROOK + dependencies 
-*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zsytrf_rook.f"> 
-*> [TGZ]</a> 
-*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zsytrf_rook.f"> 
-*> [ZIP]</a> 
-*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zsytrf_rook.f"> 
+*> Download ZSYTRF_ROOK + dependencies
+*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zsytrf_rook.f">
+*> [TGZ]</a>
+*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zsytrf_rook.f">
+*> [ZIP]</a>
+*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zsytrf_rook.f">
 *> [TXT]</a>
-*> \endhtmlonly 
+*> \endhtmlonly
 *
 *  Definition:
 *  ===========
 *
 *       SUBROUTINE ZSYTRF_ROOK( UPLO, N, A, LDA, IPIV, WORK, LWORK, INFO )
-* 
+*
 *       .. Scalar Arguments ..
 *       CHARACTER          UPLO
 *       INTEGER            INFO, LDA, LWORK, N
@@ -28,7 +28,7 @@
 *       INTEGER            IPIV( * )
 *       COMPLEX*16         A( LDA, * ), WORK( * )
 *       ..
-*  
+*
 *
 *> \par Purpose:
 *  =============
@@ -141,12 +141,10 @@
 *  Authors:
 *  ========
 *
-*> \author Univ. of Tennessee 
-*> \author Univ. of California Berkeley 
-*> \author Univ. of Colorado Denver 
-*> \author NAG Ltd. 
-*
-*> \date November 2015
+*> \author Univ. of Tennessee
+*> \author Univ. of California Berkeley
+*> \author Univ. of Colorado Denver
+*> \author NAG Ltd.
 *
 *> \ingroup complex16SYcomputational
 *
@@ -195,7 +193,7 @@
 *>
 *> \verbatim
 *>
-*>   November 2015, Igor Kozachenko,
+*>   June 2016, Igor Kozachenko,
 *>                  Computer Science Division,
 *>                  University of California, Berkeley
 *>
@@ -208,10 +206,9 @@
 *  =====================================================================
       SUBROUTINE ZSYTRF_ROOK( UPLO, N, A, LDA, IPIV, WORK, LWORK, INFO )
 *
-*  -- LAPACK computational routine (version 3.6.0) --
+*  -- LAPACK computational routine --
 *  -- LAPACK is a software package provided by Univ. of Tennessee,    --
 *  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
-*     November 2015
 *
 *     .. Scalar Arguments ..
       CHARACTER          UPLO
@@ -261,7 +258,7 @@
 *        Determine the block size
 *
          NB = ILAENV( 1, 'ZSYTRF_ROOK', UPLO, N, -1, -1, -1 )
-         LWKOPT = N*NB
+         LWKOPT = MAX( 1, N*NB )
          WORK( 1 ) = LWKOPT
       END IF
 *
@@ -321,7 +318,7 @@
 *        Set INFO on the first occurrence of a zero pivot
 *
          IF( INFO.EQ.0 .AND. IINFO.GT.0 )
-     $      INFO = IINFO     
+     $      INFO = IINFO
 *
 *        No need to adjust IPIV
 *