version 1.17, 2018/05/29 07:17:52
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version 1.18, 2023/08/07 08:38:49
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*> \param[in] LWORK |
*> \param[in] LWORK |
*> \verbatim |
*> \verbatim |
*> LWORK is INTEGER |
*> LWORK is INTEGER |
*> The dimension of the array WORK. LWORK >= max(1,M). |
*> The dimension of the array WORK. |
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*> LWORK >= 1, if MIN(M,N) = 0, and LWORK >= M, otherwise. |
*> For optimum performance LWORK >= M*NB, where NB is |
*> For optimum performance LWORK >= M*NB, where NB is |
*> the optimal blocksize. |
*> the optimal blocksize. |
*> |
*> |
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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 doubleGEcomputational |
*> \ingroup doubleGEcomputational |
* |
* |
*> \par Further Details: |
*> \par Further Details: |
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* ===================================================================== |
* ===================================================================== |
SUBROUTINE DGERQF( M, N, A, LDA, TAU, WORK, LWORK, INFO ) |
SUBROUTINE DGERQF( M, N, A, LDA, TAU, 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 .. |
INTEGER INFO, LDA, LWORK, M, N |
INTEGER INFO, LDA, LWORK, M, N |
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END IF |
END IF |
WORK( 1 ) = LWKOPT |
WORK( 1 ) = LWKOPT |
* |
* |
IF( LWORK.LT.MAX( 1, M ) .AND. .NOT.LQUERY ) THEN |
IF ( .NOT.LQUERY ) THEN |
INFO = -7 |
IF( LWORK.LE.0 .OR. ( N.GT.0 .AND. LWORK.LT.MAX( 1, M ) ) ) |
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$ INFO = -7 |
END IF |
END IF |
END IF |
END IF |
* |
* |