version 1.16, 2018/05/29 07:18:42
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version 1.17, 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 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 3.7.0) -- |
* -- 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, 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 |