--- rpl/lapack/lapack/dlasq4.f	2016/08/27 15:34:32	1.16
+++ rpl/lapack/lapack/dlasq4.f	2023/08/07 08:38:59	1.21
@@ -2,25 +2,25 @@
 *
 *  =========== 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 DLASQ4 + dependencies 
-*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dlasq4.f"> 
-*> [TGZ]</a> 
-*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dlasq4.f"> 
-*> [ZIP]</a> 
-*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dlasq4.f"> 
+*> Download DLASQ4 + dependencies
+*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dlasq4.f">
+*> [TGZ]</a>
+*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dlasq4.f">
+*> [ZIP]</a>
+*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dlasq4.f">
 *> [TXT]</a>
-*> \endhtmlonly 
+*> \endhtmlonly
 *
 *  Definition:
 *  ===========
 *
 *       SUBROUTINE DLASQ4( I0, N0, Z, PP, N0IN, DMIN, DMIN1, DMIN2, DN,
 *                          DN1, DN2, TAU, TTYPE, G )
-* 
+*
 *       .. Scalar Arguments ..
 *       INTEGER            I0, N0, N0IN, PP, TTYPE
 *       DOUBLE PRECISION   DMIN, DMIN1, DMIN2, DN, DN1, DN2, G, TAU
@@ -28,7 +28,7 @@
 *       .. Array Arguments ..
 *       DOUBLE PRECISION   Z( * )
 *       ..
-*  
+*
 *
 *> \par Purpose:
 *  =============
@@ -130,12 +130,10 @@
 *  Authors:
 *  ========
 *
-*> \author Univ. of Tennessee 
-*> \author Univ. of California Berkeley 
-*> \author Univ. of Colorado Denver 
-*> \author NAG Ltd. 
-*
-*> \date June 2016
+*> \author Univ. of Tennessee
+*> \author Univ. of California Berkeley
+*> \author Univ. of Colorado Denver
+*> \author NAG Ltd.
 *
 *> \ingroup auxOTHERcomputational
 *
@@ -151,10 +149,9 @@
       SUBROUTINE DLASQ4( I0, N0, Z, PP, N0IN, DMIN, DMIN1, DMIN2, DN,
      $                   DN1, DN2, TAU, TTYPE, G )
 *
-*  -- LAPACK computational routine (version 3.6.1) --
+*  -- LAPACK computational routine --
 *  -- LAPACK is a software package provided by Univ. of Tennessee,    --
 *  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
-*     June 2016
 *
 *     .. Scalar Arguments ..
       INTEGER            I0, N0, N0IN, PP, TTYPE
@@ -192,7 +189,7 @@
          TTYPE = -1
          RETURN
       END IF
-*       
+*
       NN = 4*N0 + PP
       IF( N0IN.EQ.N0 ) THEN
 *
@@ -240,7 +237,6 @@
                   NP = NN - 9
                ELSE
                   NP = NN - 2*PP
-                  B2 = Z( NP-2 )
                   GAM = DN1
                   IF( Z( NP-4 ) .GT. Z( NP-2 ) )
      $               RETURN
@@ -262,7 +258,7 @@
      $               RETURN
                   B2 = B2*( Z( I4 ) / Z( I4-2 ) )
                   A2 = A2 + B2
-                  IF( HUNDRD*MAX( B2, B1 ).LT.A2 .OR. CNST1.LT.A2 ) 
+                  IF( HUNDRD*MAX( B2, B1 ).LT.A2 .OR. CNST1.LT.A2 )
      $               GO TO 20
    10          CONTINUE
    20          CONTINUE
@@ -303,7 +299,7 @@
      $               RETURN
                   B2 = B2*( Z( I4 ) / Z( I4-2 ) )
                   A2 = A2 + B2
-                  IF( HUNDRD*MAX( B2, B1 ).LT.A2 .OR. CNST1.LT.A2 ) 
+                  IF( HUNDRD*MAX( B2, B1 ).LT.A2 .OR. CNST1.LT.A2 )
      $               GO TO 40
    30          CONTINUE
    40          CONTINUE
@@ -331,7 +327,7 @@
 *
 *        One eigenvalue just deflated. Use DMIN1, DN1 for DMIN and DN.
 *
-         IF( DMIN1.EQ.DN1 .AND. DMIN2.EQ.DN2 ) THEN 
+         IF( DMIN1.EQ.DN1 .AND. DMIN2.EQ.DN2 ) THEN
 *
 *           Cases 7 and 8.
 *
@@ -349,7 +345,7 @@
      $            RETURN
                B1 = B1*( Z( I4 ) / Z( I4-2 ) )
                B2 = B2 + B1
-               IF( HUNDRD*MAX( B1, A2 ).LT.B2 ) 
+               IF( HUNDRD*MAX( B1, A2 ).LT.B2 )
      $            GO TO 60
    50       CONTINUE
    60       CONTINUE
@@ -358,7 +354,7 @@
             GAP2 = HALF*DMIN2 - A2
             IF( GAP2.GT.ZERO .AND. GAP2.GT.B2*A2 ) THEN
                S = MAX( S, A2*( ONE-CNST2*A2*( B2 / GAP2 )*B2 ) )
-            ELSE 
+            ELSE
                S = MAX( S, A2*( ONE-CNST2*B2 ) )
                TTYPE = -8
             END IF
@@ -378,7 +374,7 @@
 *
 *        Cases 10 and 11.
 *
-         IF( DMIN2.EQ.DN2 .AND. TWO*Z( NN-5 ).LT.Z( NN-7 ) ) THEN 
+         IF( DMIN2.EQ.DN2 .AND. TWO*Z( NN-5 ).LT.Z( NN-7 ) ) THEN
             TTYPE = -10
             S = THIRD*DMIN2
             IF( Z( NN-5 ).GT.Z( NN-7 ) )
@@ -402,7 +398,7 @@
      $             SQRT( Z( NN-11 ) )*SQRT( Z( NN-9 ) ) - A2
             IF( GAP2.GT.ZERO .AND. GAP2.GT.B2*A2 ) THEN
                S = MAX( S, A2*( ONE-CNST2*A2*( B2 / GAP2 )*B2 ) )
-            ELSE 
+            ELSE
                S = MAX( S, A2*( ONE-CNST2*B2 ) )
             END IF
          ELSE
@@ -413,7 +409,7 @@
 *
 *        Case 12, more than two eigenvalues deflated. No information.
 *
-         S = ZERO 
+         S = ZERO
          TTYPE = -12
       END IF
 *