--- rpl/lapack/lapack/dorcsd2by1.f	2018/05/29 07:18:02	1.9
+++ rpl/lapack/lapack/dorcsd2by1.f	2023/08/07 08:39:01	1.10
@@ -224,8 +224,6 @@
 *> \author Univ. of Colorado Denver
 *> \author NAG Ltd.
 *
-*> \date July 2012
-*
 *> \ingroup doubleOTHERcomputational
 *
 *  =====================================================================
@@ -236,7 +234,6 @@
 *  -- LAPACK computational routine (3.5.0) --
 *  -- LAPACK is a software package provided by Univ. of Tennessee,    --
 *  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
-*     July 2012
 *
 *     .. Scalar Arguments ..
       CHARACTER          JOBU1, JOBU2, JOBV1T
@@ -583,7 +580,7 @@
 *        Simultaneously diagonalize X11 and X21.
 *
          CALL DBBCSD( JOBV1T, 'N', JOBU1, JOBU2, 'T', M, Q, P, THETA,
-     $                WORK(IPHI), V1T, LDV1T, DUM2, 1, U1, LDU1, U2,
+     $                WORK(IPHI), V1T, LDV1T, DUM1, 1, U1, LDU1, U2,
      $                LDU2, WORK(IB11D), WORK(IB11E), WORK(IB12D),
      $                WORK(IB12E), WORK(IB21D), WORK(IB21E),
      $                WORK(IB22D), WORK(IB22E), WORK(IBBCSD), LBBCSD,
@@ -638,7 +635,7 @@
 *        Simultaneously diagonalize X11 and X21.
 *
          CALL DBBCSD( 'N', JOBV1T, JOBU2, JOBU1, 'T', M, M-Q, M-P,
-     $                THETA, WORK(IPHI), DUM2, 1, V1T, LDV1T, U2,
+     $                THETA, WORK(IPHI), DUM1, 1, V1T, LDV1T, U2,
      $                LDU2, U1, LDU1, WORK(IB11D), WORK(IB11E),
      $                WORK(IB12D), WORK(IB12E), WORK(IB21D),
      $                WORK(IB21E), WORK(IB22D), WORK(IB22E),
@@ -674,6 +671,9 @@
 *
 *        Accumulate Householder reflectors
 *
+         IF( WANTU2 .AND. M-P .GT. 0 ) THEN
+            CALL DCOPY( M-P, WORK(IORBDB+P), 1, U2, 1 )
+         END IF
          IF( WANTU1 .AND. P .GT. 0 ) THEN
             CALL DCOPY( P, WORK(IORBDB), 1, U1, 1 )
             DO J = 2, P
@@ -685,7 +685,6 @@
      $                   WORK(IORGQR), LORGQR, CHILDINFO )
          END IF
          IF( WANTU2 .AND. M-P .GT. 0 ) THEN
-            CALL DCOPY( M-P, WORK(IORBDB+P), 1, U2, 1 )
             DO J = 2, M-P
                U2(1,J) = ZERO
             END DO
@@ -707,7 +706,7 @@
 *        Simultaneously diagonalize X11 and X21.
 *
          CALL DBBCSD( JOBU2, JOBU1, 'N', JOBV1T, 'N', M, M-P, M-Q,
-     $                THETA, WORK(IPHI), U2, LDU2, U1, LDU1, DUM2,
+     $                THETA, WORK(IPHI), U2, LDU2, U1, LDU1, DUM1,
      $                1, V1T, LDV1T, WORK(IB11D), WORK(IB11E),
      $                WORK(IB12D), WORK(IB12E), WORK(IB21D),
      $                WORK(IB21E), WORK(IB22D), WORK(IB22E),