version 1.19, 2018/05/29 07:18:42
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version 1.20, 2023/08/07 08:39:44
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*> \author Univ. of Colorado Denver |
*> \author Univ. of Colorado Denver |
*> \author NAG Ltd. |
*> \author NAG Ltd. |
* |
* |
*> \date December 2016 |
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* |
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*> \ingroup complex16OTHERcomputational |
*> \ingroup complex16OTHERcomputational |
* |
* |
* ===================================================================== |
* ===================================================================== |
SUBROUTINE ZUNMQR( SIDE, TRANS, M, N, K, A, LDA, TAU, C, LDC, |
SUBROUTINE ZUNMQR( SIDE, TRANS, M, N, K, A, LDA, TAU, C, LDC, |
$ WORK, LWORK, INFO ) |
$ WORK, LWORK, INFO ) |
* |
* |
* -- LAPACK computational routine (version 3.7.0) -- |
* -- 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..-- |
* December 2016 |
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* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
CHARACTER SIDE, TRANS |
CHARACTER SIDE, TRANS |
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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 |
END IF |
IF( .NOT.LEFT .AND. .NOT.LSAME( SIDE, 'R' ) ) THEN |
IF( .NOT.LEFT .AND. .NOT.LSAME( SIDE, 'R' ) ) THEN |
INFO = -1 |
INFO = -1 |
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INFO = -7 |
INFO = -7 |
ELSE IF( LDC.LT.MAX( 1, M ) ) THEN |
ELSE IF( LDC.LT.MAX( 1, M ) ) THEN |
INFO = -10 |
INFO = -10 |
ELSE IF( LWORK.LT.MAX( 1, NW ) .AND. .NOT.LQUERY ) THEN |
ELSE IF( LWORK.LT.NW .AND. .NOT.LQUERY ) THEN |
INFO = -12 |
INFO = -12 |
END IF |
END IF |
* |
* |
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* |
* |
NB = MIN( NBMAX, ILAENV( 1, 'ZUNMQR', SIDE // TRANS, M, N, K, |
NB = MIN( NBMAX, ILAENV( 1, 'ZUNMQR', SIDE // TRANS, M, N, K, |
$ -1 ) ) |
$ -1 ) ) |
LWKOPT = MAX( 1, NW )*NB + TSIZE |
LWKOPT = NW*NB + TSIZE |
WORK( 1 ) = LWKOPT |
WORK( 1 ) = LWKOPT |
END IF |
END IF |
* |
* |
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NBMIN = 2 |
NBMIN = 2 |
LDWORK = NW |
LDWORK = NW |
IF( NB.GT.1 .AND. NB.LT.K ) THEN |
IF( NB.GT.1 .AND. NB.LT.K ) THEN |
IF( LWORK.LT.NW*NB+TSIZE ) THEN |
IF( LWORK.LT.LWKOPT ) THEN |
NB = (LWORK-TSIZE) / LDWORK |
NB = (LWORK-TSIZE) / LDWORK |
NBMIN = MAX( 2, ILAENV( 2, 'ZUNMQR', SIDE // TRANS, M, N, K, |
NBMIN = MAX( 2, ILAENV( 2, 'ZUNMQR', SIDE // TRANS, M, N, K, |
$ -1 ) ) |
$ -1 ) ) |