version 1.8, 2011/11/21 20:43:24
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version 1.17, 2023/08/07 08:39:44
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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 ZUNMBR + dependencies |
*> Download ZUNMBR + dependencies |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zunmbr.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zunmbr.f"> |
*> [TGZ]</a> |
*> [TGZ]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zunmbr.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zunmbr.f"> |
*> [ZIP]</a> |
*> [ZIP]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zunmbr.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zunmbr.f"> |
*> [TXT]</a> |
*> [TXT]</a> |
*> \endhtmlonly |
*> \endhtmlonly |
* |
* |
* Definition: |
* Definition: |
* =========== |
* =========== |
* |
* |
* SUBROUTINE ZUNMBR( VECT, SIDE, TRANS, M, N, K, A, LDA, TAU, C, |
* SUBROUTINE ZUNMBR( VECT, SIDE, TRANS, M, N, K, A, LDA, TAU, C, |
* LDC, WORK, LWORK, INFO ) |
* LDC, WORK, LWORK, INFO ) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* CHARACTER SIDE, TRANS, VECT |
* CHARACTER SIDE, TRANS, VECT |
* INTEGER INFO, K, LDA, LDC, LWORK, M, N |
* INTEGER INFO, K, LDA, LDC, LWORK, M, N |
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* .. Array Arguments .. |
* .. Array Arguments .. |
* COMPLEX*16 A( LDA, * ), C( LDC, * ), TAU( * ), WORK( * ) |
* COMPLEX*16 A( LDA, * ), C( LDC, * ), TAU( * ), WORK( * ) |
* .. |
* .. |
* |
* |
* |
* |
*> \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. |
* |
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*> \date November 2011 |
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* |
* |
*> \ingroup complex16OTHERcomputational |
*> \ingroup complex16OTHERcomputational |
* |
* |
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SUBROUTINE ZUNMBR( VECT, SIDE, TRANS, M, N, K, A, LDA, TAU, C, |
SUBROUTINE ZUNMBR( VECT, SIDE, TRANS, M, N, K, A, LDA, TAU, C, |
$ LDC, WORK, LWORK, INFO ) |
$ LDC, WORK, LWORK, INFO ) |
* |
* |
* -- LAPACK computational routine (version 3.4.0) -- |
* -- LAPACK computational routine -- |
* -- 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 2011 |
|
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
CHARACTER SIDE, TRANS, VECT |
CHARACTER SIDE, TRANS, VECT |
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* |
* |
IF( LEFT ) THEN |
IF( LEFT ) THEN |
NQ = M |
NQ = M |
NW = N |
NW = MAX( 1, N ) |
ELSE |
ELSE |
NQ = N |
NQ = N |
NW = M |
NW = MAX( 1, M ) |
END IF |
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IF( M.EQ.0 .OR. N.EQ.0 ) THEN |
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NW = 0 |
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END IF |
END IF |
IF( .NOT.APPLYQ .AND. .NOT.LSAME( VECT, 'P' ) ) THEN |
IF( .NOT.APPLYQ .AND. .NOT.LSAME( VECT, 'P' ) ) THEN |
INFO = -1 |
INFO = -1 |
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INFO = -8 |
INFO = -8 |
ELSE IF( LDC.LT.MAX( 1, M ) ) THEN |
ELSE IF( LDC.LT.MAX( 1, M ) ) THEN |
INFO = -11 |
INFO = -11 |
ELSE IF( LWORK.LT.MAX( 1, NW ) .AND. .NOT.LQUERY ) THEN |
ELSE IF( LWORK.LT.NW .AND. .NOT.LQUERY ) THEN |
INFO = -13 |
INFO = -13 |
END IF |
END IF |
* |
* |
IF( INFO.EQ.0 ) THEN |
IF( INFO.EQ.0 ) THEN |
IF( NW.GT.0 ) THEN |
IF( M.GT.0 .AND. N.GT.0 ) THEN |
IF( APPLYQ ) THEN |
IF( APPLYQ ) THEN |
IF( LEFT ) THEN |
IF( LEFT ) THEN |
NB = ILAENV( 1, 'ZUNMQR', SIDE // TRANS, M-1, N, M-1, |
NB = ILAENV( 1, 'ZUNMQR', SIDE // TRANS, M-1, N, M-1, |
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$ -1 ) |
$ -1 ) |
END IF |
END IF |
END IF |
END IF |
LWKOPT = MAX( 1, NW*NB ) |
LWKOPT = NW*NB |
ELSE |
ELSE |
LWKOPT = 1 |
LWKOPT = 1 |
END IF |
END IF |