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version 1.17, 2017/06/17 10:53:49
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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 DGESVD + dependencies |
*> Download DGESVD + dependencies |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dgesvd.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dgesvd.f"> |
*> [TGZ]</a> |
*> [TGZ]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dgesvd.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dgesvd.f"> |
*> [ZIP]</a> |
*> [ZIP]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dgesvd.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dgesvd.f"> |
*> [TXT]</a> |
*> [TXT]</a> |
*> \endhtmlonly |
*> \endhtmlonly |
* |
* |
* Definition: |
* Definition: |
* =========== |
* =========== |
* |
* |
* SUBROUTINE DGESVD( JOBU, JOBVT, M, N, A, LDA, S, U, LDU, VT, LDVT, |
* SUBROUTINE DGESVD( JOBU, JOBVT, M, N, A, LDA, S, U, LDU, VT, LDVT, |
* WORK, LWORK, INFO ) |
* WORK, LWORK, INFO ) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* CHARACTER JOBU, JOBVT |
* CHARACTER JOBU, JOBVT |
* INTEGER INFO, LDA, LDU, LDVT, LWORK, M, N |
* INTEGER INFO, LDA, LDU, LDVT, LWORK, M, N |
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* DOUBLE PRECISION A( LDA, * ), S( * ), U( LDU, * ), |
* DOUBLE PRECISION A( LDA, * ), S( * ), U( LDU, * ), |
* $ VT( LDVT, * ), WORK( * ) |
* $ VT( LDVT, * ), WORK( * ) |
* .. |
* .. |
* |
* |
* |
* |
*> \par Purpose: |
*> \par Purpose: |
* ============= |
* ============= |
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*> LWORK is INTEGER |
*> LWORK is INTEGER |
*> The dimension of the array WORK. |
*> The dimension of the array WORK. |
*> LWORK >= MAX(1,5*MIN(M,N)) for the paths (see comments inside code): |
*> LWORK >= MAX(1,5*MIN(M,N)) for the paths (see comments inside code): |
*> - PATH 1 (M much larger than N, JOBU='N') |
*> - PATH 1 (M much larger than N, JOBU='N') |
*> - PATH 1t (N much larger than M, JOBVT='N') |
*> - PATH 1t (N much larger than M, JOBVT='N') |
*> LWORK >= MAX(1,3*MIN(M,N) + MAX(M,N),5*MIN(M,N)) for the other paths |
*> LWORK >= MAX(1,3*MIN(M,N) + MAX(M,N),5*MIN(M,N)) for the other paths |
*> For good performance, LWORK should generally be larger. |
*> For good performance, LWORK should generally be larger. |
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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 April 2012 |
*> \date April 2012 |
* |
* |
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SUBROUTINE DGESVD( JOBU, JOBVT, M, N, A, LDA, S, U, LDU, |
SUBROUTINE DGESVD( JOBU, JOBVT, M, N, A, LDA, S, U, LDU, |
$ VT, LDVT, WORK, LWORK, INFO ) |
$ VT, LDVT, WORK, LWORK, INFO ) |
* |
* |
* -- LAPACK driver routine (version 3.6.1) -- |
* -- LAPACK driver 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..-- |
* April 2012 |
* April 2012 |