--- rpl/lapack/lapack/zbbcsd.f	2012/08/22 09:48:28	1.6
+++ rpl/lapack/lapack/zbbcsd.f	2016/08/27 15:27:11	1.11
@@ -149,7 +149,7 @@
 *> \param[in,out] U1
 *> \verbatim
 *>          U1 is COMPLEX*16 array, dimension (LDU1,P)
-*>          On entry, an LDU1-by-P matrix. On exit, U1 is postmultiplied
+*>          On entry, a P-by-P matrix. On exit, U1 is postmultiplied
 *>          by the left singular vector matrix common to [ B11 ; 0 ] and
 *>          [ B12 0 0 ; 0 -I 0 0 ].
 *> \endverbatim
@@ -157,13 +157,13 @@
 *> \param[in] LDU1
 *> \verbatim
 *>          LDU1 is INTEGER
-*>          The leading dimension of the array U1.
+*>          The leading dimension of the array U1, LDU1 >= MAX(1,P).
 *> \endverbatim
 *>
 *> \param[in,out] U2
 *> \verbatim
 *>          U2 is COMPLEX*16 array, dimension (LDU2,M-P)
-*>          On entry, an LDU2-by-(M-P) matrix. On exit, U2 is
+*>          On entry, an (M-P)-by-(M-P) matrix. On exit, U2 is
 *>          postmultiplied by the left singular vector matrix common to
 *>          [ B21 ; 0 ] and [ B22 0 0 ; 0 0 I ].
 *> \endverbatim
@@ -171,13 +171,13 @@
 *> \param[in] LDU2
 *> \verbatim
 *>          LDU2 is INTEGER
-*>          The leading dimension of the array U2.
+*>          The leading dimension of the array U2, LDU2 >= MAX(1,M-P).
 *> \endverbatim
 *>
 *> \param[in,out] V1T
 *> \verbatim
 *>          V1T is COMPLEX*16 array, dimension (LDV1T,Q)
-*>          On entry, a LDV1T-by-Q matrix. On exit, V1T is premultiplied
+*>          On entry, a Q-by-Q matrix. On exit, V1T is premultiplied
 *>          by the conjugate transpose of the right singular vector
 *>          matrix common to [ B11 ; 0 ] and [ B21 ; 0 ].
 *> \endverbatim
@@ -185,13 +185,13 @@
 *> \param[in] LDV1T
 *> \verbatim
 *>          LDV1T is INTEGER
-*>          The leading dimension of the array V1T.
+*>          The leading dimension of the array V1T, LDV1T >= MAX(1,Q).
 *> \endverbatim
 *>
 *> \param[in,out] V2T
 *> \verbatim
 *>          V2T is COMPLEX*16 array, dimenison (LDV2T,M-Q)
-*>          On entry, a LDV2T-by-(M-Q) matrix. On exit, V2T is
+*>          On entry, an (M-Q)-by-(M-Q) matrix. On exit, V2T is
 *>          premultiplied by the conjugate transpose of the right
 *>          singular vector matrix common to [ B12 0 0 ; 0 -I 0 ] and
 *>          [ B22 0 0 ; 0 0 I ].
@@ -200,7 +200,7 @@
 *> \param[in] LDV2T
 *> \verbatim
 *>          LDV2T is INTEGER
-*>          The leading dimension of the array V2T.
+*>          The leading dimension of the array V2T, LDV2T >= MAX(1,M-Q).
 *> \endverbatim
 *>
 *> \param[out] B11D
@@ -240,8 +240,8 @@
 *> \param[out] B21D
 *> \verbatim
 *>          B21D is DOUBLE PRECISION array, dimension (Q)
-*>          When CBBCSD converges, B21D contains the negative sines of
-*>          THETA(1), ..., THETA(Q). If CBBCSD fails to converge, then
+*>          When ZBBCSD converges, B21D contains the negative sines of
+*>          THETA(1), ..., THETA(Q). If ZBBCSD fails to converge, then
 *>          B21D contains the diagonal of the partially reduced bottom-left
 *>          block.
 *> \endverbatim
@@ -249,7 +249,7 @@
 *> \param[out] B21E
 *> \verbatim
 *>          B21E is DOUBLE PRECISION array, dimension (Q-1)
-*>          When CBBCSD converges, B21E contains zeros. If CBBCSD fails
+*>          When ZBBCSD converges, B21E contains zeros. If ZBBCSD fails
 *>          to converge, then B21E contains the subdiagonal of the
 *>          partially reduced bottom-left block.
 *> \endverbatim
@@ -257,8 +257,8 @@
 *> \param[out] B22D
 *> \verbatim
 *>          B22D is DOUBLE PRECISION array, dimension (Q)
-*>          When CBBCSD converges, B22D contains the negative sines of
-*>          THETA(1), ..., THETA(Q). If CBBCSD fails to converge, then
+*>          When ZBBCSD converges, B22D contains the negative sines of
+*>          THETA(1), ..., THETA(Q). If ZBBCSD fails to converge, then
 *>          B22D contains the diagonal of the partially reduced bottom-right
 *>          block.
 *> \endverbatim
@@ -266,7 +266,7 @@
 *> \param[out] B22E
 *> \verbatim
 *>          B22E is DOUBLE PRECISION array, dimension (Q-1)
-*>          When CBBCSD converges, B22E contains zeros. If CBBCSD fails
+*>          When ZBBCSD converges, B22E contains zeros. If ZBBCSD fails
 *>          to converge, then B22E contains the subdiagonal of the
 *>          partially reduced bottom-right block.
 *> \endverbatim
@@ -322,7 +322,7 @@
 *> \author Univ. of Colorado Denver 
 *> \author NAG Ltd. 
 *
-*> \date November 2011
+*> \date June 2016
 *
 *> \ingroup complex16OTHERcomputational
 *
@@ -332,10 +332,10 @@
      $                   V2T, LDV2T, B11D, B11E, B12D, B12E, B21D, B21E,
      $                   B22D, B22E, RWORK, LRWORK, INFO )
 *
-*  -- LAPACK computational routine (version 3.4.0) --
+*  -- LAPACK computational routine (version 3.6.1) --
 *  -- LAPACK is a software package provided by Univ. of Tennessee,    --
 *  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
-*     November 2011
+*     June 2016
 *
 *     .. Scalar Arguments ..
       CHARACTER          JOBU1, JOBU2, JOBV1T, JOBV2T, TRANS
@@ -476,7 +476,10 @@
 *     Initial deflation
 *
       IMAX = Q
-      DO WHILE( ( IMAX .GT. 1 ) .AND. ( PHI(IMAX-1) .EQ. ZERO ) )
+      DO WHILE( IMAX .GT. 1 )
+         IF( PHI(IMAX-1) .NE. ZERO ) THEN
+            EXIT
+         END IF
          IMAX = IMAX - 1
       END DO
       IMIN = IMAX - 1