version 1.15, 2016/08/27 15:34:24
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version 1.16, 2017/06/17 10:53:50
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* |
* |
* =========== DOCUMENTATION =========== |
* =========== DOCUMENTATION =========== |
* |
* |
* Online html documentation available at |
* Online html documentation available at |
* http://www.netlib.org/lapack/explore-html/ |
* http://www.netlib.org/lapack/explore-html/ |
* |
* |
*> \htmlonly |
*> \htmlonly |
*> Download DGSVJ0 + dependencies |
*> Download DGSVJ0 + dependencies |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dgsvj0.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dgsvj0.f"> |
*> [TGZ]</a> |
*> [TGZ]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dgsvj0.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dgsvj0.f"> |
*> [ZIP]</a> |
*> [ZIP]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dgsvj0.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dgsvj0.f"> |
*> [TXT]</a> |
*> [TXT]</a> |
*> \endhtmlonly |
*> \endhtmlonly |
* |
* |
* Definition: |
* Definition: |
* =========== |
* =========== |
* |
* |
* SUBROUTINE DGSVJ0( JOBV, M, N, A, LDA, D, SVA, MV, V, LDV, EPS, |
* SUBROUTINE DGSVJ0( JOBV, M, N, A, LDA, D, SVA, MV, V, LDV, EPS, |
* SFMIN, TOL, NSWEEP, WORK, LWORK, INFO ) |
* SFMIN, TOL, NSWEEP, WORK, LWORK, INFO ) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* INTEGER INFO, LDA, LDV, LWORK, M, MV, N, NSWEEP |
* INTEGER INFO, LDA, LDV, LWORK, M, MV, N, NSWEEP |
* DOUBLE PRECISION EPS, SFMIN, TOL |
* DOUBLE PRECISION EPS, SFMIN, TOL |
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* DOUBLE PRECISION A( LDA, * ), SVA( N ), D( N ), V( LDV, * ), |
* DOUBLE PRECISION A( LDA, * ), SVA( N ), D( N ), V( LDV, * ), |
* $ WORK( LWORK ) |
* $ WORK( LWORK ) |
* .. |
* .. |
* |
* |
* |
* |
*> \par Purpose: |
*> \par Purpose: |
* ============= |
* ============= |
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* Authors: |
* Authors: |
* ======== |
* ======== |
* |
* |
*> \author Univ. of Tennessee |
*> \author Univ. of Tennessee |
*> \author Univ. of California Berkeley |
*> \author Univ. of California Berkeley |
*> \author Univ. of Colorado Denver |
*> \author Univ. of Colorado Denver |
*> \author NAG Ltd. |
*> \author NAG Ltd. |
* |
* |
*> \date November 2015 |
*> \date December 2016 |
* |
* |
*> \ingroup doubleOTHERcomputational |
*> \ingroup doubleOTHERcomputational |
* |
* |
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SUBROUTINE DGSVJ0( JOBV, M, N, A, LDA, D, SVA, MV, V, LDV, EPS, |
SUBROUTINE DGSVJ0( JOBV, M, N, A, LDA, D, SVA, MV, V, LDV, EPS, |
$ SFMIN, TOL, NSWEEP, WORK, LWORK, INFO ) |
$ SFMIN, TOL, NSWEEP, WORK, LWORK, INFO ) |
* |
* |
* -- LAPACK computational routine (version 3.6.0) -- |
* -- LAPACK computational routine (version 3.7.0) -- |
* -- LAPACK is a software package provided by Univ. of Tennessee, -- |
* -- LAPACK is a software package provided by Univ. of Tennessee, -- |
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- |
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- |
* November 2015 |
* December 2016 |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
INTEGER INFO, LDA, LDV, LWORK, M, MV, N, NSWEEP |
INTEGER INFO, LDA, LDV, LWORK, M, MV, N, NSWEEP |
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INFO = -5 |
INFO = -5 |
ELSE IF( ( RSVEC.OR.APPLV ) .AND. ( MV.LT.0 ) ) THEN |
ELSE IF( ( RSVEC.OR.APPLV ) .AND. ( MV.LT.0 ) ) THEN |
INFO = -8 |
INFO = -8 |
ELSE IF( ( RSVEC.AND.( LDV.LT.N ) ).OR. |
ELSE IF( ( RSVEC.AND.( LDV.LT.N ) ).OR. |
$ ( APPLV.AND.( LDV.LT.MV ) ) ) THEN |
$ ( APPLV.AND.( LDV.LT.MV ) ) ) THEN |
INFO = -10 |
INFO = -10 |
ELSE IF( TOL.LE.EPS ) THEN |
ELSE IF( TOL.LE.EPS ) THEN |
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$ FASTR ) |
$ FASTR ) |
SVA( q ) = AAQQ*DSQRT( MAX( ZERO, |
SVA( q ) = AAQQ*DSQRT( MAX( ZERO, |
$ ONE+T*APOAQ*AAPQ ) ) |
$ ONE+T*APOAQ*AAPQ ) ) |
AAPP = AAPP*DSQRT( MAX( ZERO, |
AAPP = AAPP*DSQRT( MAX( ZERO, |
$ ONE-T*AQOAP*AAPQ ) ) |
$ ONE-T*AQOAP*AAPQ ) ) |
MXSINJ = MAX( MXSINJ, DABS( T ) ) |
MXSINJ = MAX( MXSINJ, DABS( T ) ) |
* |
* |
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MXSINJ = MAX( MXSINJ, DABS( SN ) ) |
MXSINJ = MAX( MXSINJ, DABS( SN ) ) |
SVA( q ) = AAQQ*DSQRT( MAX( ZERO, |
SVA( q ) = AAQQ*DSQRT( MAX( ZERO, |
$ ONE+T*APOAQ*AAPQ ) ) |
$ ONE+T*APOAQ*AAPQ ) ) |
AAPP = AAPP*DSQRT( MAX( ZERO, |
AAPP = AAPP*DSQRT( MAX( ZERO, |
$ ONE-T*AQOAP*AAPQ ) ) |
$ ONE-T*AQOAP*AAPQ ) ) |
* |
* |
APOAQ = D( p ) / D( q ) |
APOAQ = D( p ) / D( q ) |