version 1.17, 2018/05/29 07:18:15
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version 1.18, 2020/05/21 21:46:04
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*> \verbatim |
*> \verbatim |
*> |
*> |
*> ZGEQRF computes a QR factorization of a complex M-by-N matrix A: |
*> ZGEQRF computes a QR factorization of a complex M-by-N matrix A: |
*> A = Q * R. |
*> |
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*> A = Q * ( R ), |
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*> ( 0 ) |
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*> |
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*> where: |
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*> |
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*> Q is a M-by-M orthogonal matrix; |
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*> R is an upper-triangular N-by-N matrix; |
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*> 0 is a (M-N)-by-N zero matrix, if M > N. |
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*> |
*> \endverbatim |
*> \endverbatim |
* |
* |
* Arguments: |
* Arguments: |
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*> \author Univ. of Colorado Denver |
*> \author Univ. of Colorado Denver |
*> \author NAG Ltd. |
*> \author NAG Ltd. |
* |
* |
*> \date December 2016 |
*> \date November 2019 |
* |
* |
*> \ingroup complex16GEcomputational |
*> \ingroup complex16GEcomputational |
* |
* |
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* ===================================================================== |
* ===================================================================== |
SUBROUTINE ZGEQRF( M, N, A, LDA, TAU, WORK, LWORK, INFO ) |
SUBROUTINE ZGEQRF( M, N, A, LDA, TAU, WORK, LWORK, INFO ) |
* |
* |
* -- LAPACK computational routine (version 3.7.0) -- |
* -- LAPACK computational routine (version 3.9.0) -- |
* -- 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..-- |
* December 2016 |
* November 2019 |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
INTEGER INFO, LDA, LWORK, M, N |
INTEGER INFO, LDA, LWORK, M, N |