--- rpl/lapack/lapack/dgsvj0.f 2016/08/27 15:34:24 1.15
+++ rpl/lapack/lapack/dgsvj0.f 2023/08/07 08:38:51 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 DGSVJ0 + dependencies
-*>
-*> [TGZ]
-*>
-*> [ZIP]
-*>
+*> Download DGSVJ0 + dependencies
+*>
+*> [TGZ]
+*>
+*> [ZIP]
+*>
*> [TXT]
-*> \endhtmlonly
+*> \endhtmlonly
*
* Definition:
* ===========
*
* SUBROUTINE DGSVJ0( JOBV, M, N, A, LDA, D, SVA, MV, V, LDV, EPS,
* SFMIN, TOL, NSWEEP, WORK, LWORK, INFO )
-*
+*
* .. Scalar Arguments ..
* INTEGER INFO, LDA, LDV, LWORK, M, MV, N, NSWEEP
* DOUBLE PRECISION EPS, SFMIN, TOL
@@ -30,7 +30,7 @@
* DOUBLE PRECISION A( LDA, * ), SVA( N ), D( N ), V( LDV, * ),
* $ WORK( LWORK )
* ..
-*
+*
*
*> \par Purpose:
* =============
@@ -117,7 +117,7 @@
*> \param[in] MV
*> \verbatim
*> MV is INTEGER
-*> If JOBV .EQ. 'A', then MV rows of V are post-multipled by a
+*> If JOBV = 'A', then MV rows of V are post-multipled by a
*> sequence of Jacobi rotations.
*> If JOBV = 'N', then MV is not referenced.
*> \endverbatim
@@ -125,9 +125,9 @@
*> \param[in,out] V
*> \verbatim
*> V is DOUBLE PRECISION array, dimension (LDV,N)
-*> If JOBV .EQ. 'V' then N rows of V are post-multipled by a
+*> If JOBV = 'V' then N rows of V are post-multipled by a
*> sequence of Jacobi rotations.
-*> If JOBV .EQ. 'A' then MV rows of V are post-multipled by a
+*> If JOBV = 'A' then MV rows of V are post-multipled by a
*> sequence of Jacobi rotations.
*> If JOBV = 'N', then V is not referenced.
*> \endverbatim
@@ -136,8 +136,8 @@
*> \verbatim
*> LDV is INTEGER
*> The leading dimension of the array V, LDV >= 1.
-*> If JOBV = 'V', LDV .GE. N.
-*> If JOBV = 'A', LDV .GE. MV.
+*> If JOBV = 'V', LDV >= N.
+*> If JOBV = 'A', LDV >= MV.
*> \endverbatim
*>
*> \param[in] EPS
@@ -157,7 +157,7 @@
*> TOL is DOUBLE PRECISION
*> TOL is the threshold for Jacobi rotations. For a pair
*> A(:,p), A(:,q) of pivot columns, the Jacobi rotation is
-*> applied only if DABS(COS(angle(A(:,p),A(:,q)))) .GT. TOL.
+*> applied only if DABS(COS(angle(A(:,p),A(:,q)))) > TOL.
*> \endverbatim
*>
*> \param[in] NSWEEP
@@ -175,25 +175,23 @@
*> \param[in] LWORK
*> \verbatim
*> LWORK is INTEGER
-*> LWORK is the dimension of WORK. LWORK .GE. M.
+*> LWORK is the dimension of WORK. LWORK >= M.
*> \endverbatim
*>
*> \param[out] INFO
*> \verbatim
*> INFO is INTEGER
-*> = 0 : successful exit.
-*> < 0 : if INFO = -i, then the i-th argument had an illegal value
+*> = 0: successful exit.
+*> < 0: if INFO = -i, then the i-th argument had an illegal value
*> \endverbatim
*
* 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 doubleOTHERcomputational
*
@@ -218,10 +216,9 @@
SUBROUTINE DGSVJ0( JOBV, M, N, A, LDA, D, SVA, MV, V, LDV, EPS,
$ SFMIN, TOL, NSWEEP, 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 ..
INTEGER INFO, LDA, LDV, LWORK, M, MV, N, NSWEEP
@@ -262,7 +259,8 @@
EXTERNAL IDAMAX, LSAME, DDOT, DNRM2
* ..
* .. External Subroutines ..
- EXTERNAL DAXPY, DCOPY, DLASCL, DLASSQ, DROTM, DSWAP
+ EXTERNAL DAXPY, DCOPY, DLASCL, DLASSQ, DROTM, DSWAP,
+ $ XERBLA
* ..
* .. Executable Statements ..
*
@@ -280,7 +278,7 @@
INFO = -5
ELSE IF( ( RSVEC.OR.APPLV ) .AND. ( MV.LT.0 ) ) THEN
INFO = -8
- ELSE IF( ( RSVEC.AND.( LDV.LT.N ) ).OR.
+ ELSE IF( ( RSVEC.AND.( LDV.LT.N ) ).OR.
$ ( APPLV.AND.( LDV.LT.MV ) ) ) THEN
INFO = -10
ELSE IF( TOL.LE.EPS ) THEN
@@ -391,7 +389,7 @@
* Some BLAS implementations compute DNRM2(M,A(1,p),1)
* as DSQRT(DDOT(M,A(1,p),1,A(1,p),1)), which may result in
* overflow for ||A(:,p)||_2 > DSQRT(overflow_threshold), and
-* undeflow for ||A(:,p)||_2 < DSQRT(underflow_threshold).
+* underflow for ||A(:,p)||_2 < DSQRT(underflow_threshold).
* Hence, DNRM2 cannot be trusted, not even in the case when
* the true norm is far from the under(over)flow boundaries.
* If properly implemented DNRM2 is available, the IF-THEN-ELSE
@@ -485,7 +483,7 @@
$ FASTR )
SVA( q ) = AAQQ*DSQRT( MAX( ZERO,
$ ONE+T*APOAQ*AAPQ ) )
- AAPP = AAPP*DSQRT( MAX( ZERO,
+ AAPP = AAPP*DSQRT( MAX( ZERO,
$ ONE-T*AQOAP*AAPQ ) )
MXSINJ = MAX( MXSINJ, DABS( T ) )
*
@@ -800,7 +798,7 @@
MXSINJ = MAX( MXSINJ, DABS( SN ) )
SVA( q ) = AAQQ*DSQRT( MAX( ZERO,
$ ONE+T*APOAQ*AAPQ ) )
- AAPP = AAPP*DSQRT( MAX( ZERO,
+ AAPP = AAPP*DSQRT( MAX( ZERO,
$ ONE-T*AQOAP*AAPQ ) )
*
APOAQ = D( p ) / D( q )
@@ -1044,7 +1042,7 @@
1993 CONTINUE
* end i=1:NSWEEP loop
-* #:) Reaching this point means that the procedure has comleted the given
+* #:) Reaching this point means that the procedure has completed the given
* number of iterations.
INFO = NSWEEP - 1
GO TO 1995