version 1.14, 2014/01/27 09:28:32
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version 1.15, 2015/11/26 11:44:21
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*> \author Univ. of Colorado Denver |
*> \author Univ. of Colorado Denver |
*> \author NAG Ltd. |
*> \author NAG Ltd. |
* |
* |
*> \date September 2012 |
*> \date November 2015 |
* |
* |
*> \ingroup complex16GEcomputational |
*> \ingroup complex16GEcomputational |
* |
* |
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SUBROUTINE ZGEQP3( M, N, A, LDA, JPVT, TAU, WORK, LWORK, RWORK, |
SUBROUTINE ZGEQP3( M, N, A, LDA, JPVT, TAU, WORK, LWORK, RWORK, |
$ INFO ) |
$ INFO ) |
* |
* |
* -- LAPACK computational routine (version 3.4.2) -- |
* -- LAPACK computational routine (version 3.6.0) -- |
* -- 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..-- |
* September 2012 |
* November 2015 |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
INTEGER INFO, LDA, LWORK, M, N |
INTEGER INFO, LDA, LWORK, M, N |
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NB = ILAENV( INB, 'ZGEQRF', ' ', M, N, -1, -1 ) |
NB = ILAENV( INB, 'ZGEQRF', ' ', M, N, -1, -1 ) |
LWKOPT = ( N + 1 )*NB |
LWKOPT = ( N + 1 )*NB |
END IF |
END IF |
WORK( 1 ) = LWKOPT |
WORK( 1 ) = DCMPLX( LWKOPT ) |
* |
* |
IF( ( LWORK.LT.IWS ) .AND. .NOT.LQUERY ) THEN |
IF( ( LWORK.LT.IWS ) .AND. .NOT.LQUERY ) THEN |
INFO = -8 |
INFO = -8 |
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RETURN |
RETURN |
END IF |
END IF |
* |
* |
* Quick return if possible. |
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* |
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IF( MINMN.EQ.0 ) THEN |
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RETURN |
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END IF |
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* |
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* Move initial columns up front. |
* Move initial columns up front. |
* |
* |
NFXD = 1 |
NFXD = 1 |
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* |
* |
END IF |
END IF |
* |
* |
WORK( 1 ) = IWS |
WORK( 1 ) = DCMPLX( LWKOPT ) |
RETURN |
RETURN |
* |
* |
* End of ZGEQP3 |
* End of ZGEQP3 |