version 1.11, 2016/08/27 15:34:33
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version 1.12, 2017/06/17 10:53:58
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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 DORCSD + dependencies |
*> Download DORCSD + dependencies |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dorcsd.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dorcsd.f"> |
*> [TGZ]</a> |
*> [TGZ]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dorcsd.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dorcsd.f"> |
*> [ZIP]</a> |
*> [ZIP]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dorcsd.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dorcsd.f"> |
*> [TXT]</a> |
*> [TXT]</a> |
*> \endhtmlonly |
*> \endhtmlonly |
* |
* |
* Definition: |
* Definition: |
* =========== |
* =========== |
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* LDX12, X21, LDX21, X22, LDX22, THETA, |
* LDX12, X21, LDX21, X22, LDX22, THETA, |
* U1, LDU1, U2, LDU2, V1T, LDV1T, V2T, |
* U1, LDU1, U2, LDU2, V1T, LDV1T, V2T, |
* LDV2T, WORK, LWORK, IWORK, INFO ) |
* LDV2T, WORK, LWORK, IWORK, INFO ) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* CHARACTER JOBU1, JOBU2, JOBV1T, JOBV2T, SIGNS, TRANS |
* CHARACTER JOBU1, JOBU2, JOBV1T, JOBV2T, SIGNS, TRANS |
* INTEGER INFO, LDU1, LDU2, LDV1T, LDV2T, LDX11, LDX12, |
* INTEGER INFO, LDU1, LDU2, LDV1T, LDV2T, LDX11, LDX12, |
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* $ X12( LDX12, * ), X21( LDX21, * ), X22( LDX22, |
* $ X12( LDX12, * ), X21( LDX21, * ), X22( LDX22, |
* $ * ) |
* $ * ) |
* .. |
* .. |
* |
* |
* |
* |
*> \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 2013 |
*> \date December 2016 |
* |
* |
*> \ingroup doubleOTHERcomputational |
*> \ingroup doubleOTHERcomputational |
* |
* |
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$ U1, LDU1, U2, LDU2, V1T, LDV1T, V2T, |
$ U1, LDU1, U2, LDU2, V1T, LDV1T, V2T, |
$ LDV2T, WORK, LWORK, IWORK, INFO ) |
$ LDV2T, WORK, LWORK, IWORK, INFO ) |
* |
* |
* -- LAPACK computational routine (version 3.5.0) -- |
* -- 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 2013 |
* December 2016 |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
CHARACTER JOBU1, JOBU2, JOBV1T, JOBV2T, SIGNS, TRANS |
CHARACTER JOBU1, JOBU2, JOBV1T, JOBV2T, SIGNS, TRANS |
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$ WANTV1T, WANTV2T |
$ WANTV1T, WANTV2T |
* .. |
* .. |
* .. External Subroutines .. |
* .. External Subroutines .. |
EXTERNAL DBBCSD, DLACPY, DLAPMR, DLAPMT, DLASCL, DLASET, |
EXTERNAL DBBCSD, DLACPY, DLAPMR, DLAPMT, |
$ DORBDB, DORGLQ, DORGQR, XERBLA |
$ DORBDB, DORGLQ, DORGQR, XERBLA |
* .. |
* .. |
* .. External Functions .. |
* .. External Functions .. |
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IB22D = IB21E + MAX( 1, Q - 1 ) |
IB22D = IB21E + MAX( 1, Q - 1 ) |
IB22E = IB22D + MAX( 1, Q ) |
IB22E = IB22D + MAX( 1, Q ) |
IBBCSD = IB22E + MAX( 1, Q - 1 ) |
IBBCSD = IB22E + MAX( 1, Q - 1 ) |
CALL DBBCSD( JOBU1, JOBU2, JOBV1T, JOBV2T, TRANS, M, P, Q, |
CALL DBBCSD( JOBU1, JOBU2, JOBV1T, JOBV2T, TRANS, M, P, Q, |
$ THETA, THETA, U1, LDU1, U2, LDU2, V1T, LDV1T, V2T, |
$ THETA, THETA, U1, LDU1, U2, LDU2, V1T, LDV1T, V2T, |
$ LDV2T, U1, U1, U1, U1, U1, U1, U1, U1, WORK, -1, |
$ LDV2T, U1, U1, U1, U1, U1, U1, U1, U1, WORK, -1, |
$ CHILDINFO ) |
$ CHILDINFO ) |
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* Permute rows and columns to place identity submatrices in top- |
* Permute rows and columns to place identity submatrices in top- |
* left corner of (1,1)-block and/or bottom-right corner of (1,2)- |
* left corner of (1,1)-block and/or bottom-right corner of (1,2)- |
* block and/or bottom-right corner of (2,1)-block and/or top-left |
* block and/or bottom-right corner of (2,1)-block and/or top-left |
* corner of (2,2)-block |
* corner of (2,2)-block |
* |
* |
IF( Q .GT. 0 .AND. WANTU2 ) THEN |
IF( Q .GT. 0 .AND. WANTU2 ) THEN |
DO I = 1, Q |
DO I = 1, Q |