version 1.17, 2017/06/17 11:06:58
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version 1.19, 2023/08/07 08:39:33
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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 complex16OTHERauxiliary |
*> \ingroup complex16OTHERauxiliary |
* |
* |
* ===================================================================== |
* ===================================================================== |
SUBROUTINE ZLAUU2( UPLO, N, A, LDA, INFO ) |
SUBROUTINE ZLAUU2( UPLO, N, A, LDA, INFO ) |
* |
* |
* -- LAPACK auxiliary routine (version 3.7.0) -- |
* -- LAPACK auxiliary 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 UPLO |
CHARACTER UPLO |
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* Compute the product U * U**H. |
* Compute the product U * U**H. |
* |
* |
DO 10 I = 1, N |
DO 10 I = 1, N |
AII = A( I, I ) |
AII = DBLE( A( I, I ) ) |
IF( I.LT.N ) THEN |
IF( I.LT.N ) THEN |
A( I, I ) = AII*AII + DBLE( ZDOTC( N-I, A( I, I+1 ), LDA, |
A( I, I ) = AII*AII + DBLE( ZDOTC( N-I, A( I, I+1 ), LDA, |
$ A( I, I+1 ), LDA ) ) |
$ A( I, I+1 ), LDA ) ) |
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* Compute the product L**H * L. |
* Compute the product L**H * L. |
* |
* |
DO 20 I = 1, N |
DO 20 I = 1, N |
AII = A( I, I ) |
AII = DBLE( A( I, I ) ) |
IF( I.LT.N ) THEN |
IF( I.LT.N ) THEN |
A( I, I ) = AII*AII + DBLE( ZDOTC( N-I, A( I+1, I ), 1, |
A( I, I ) = AII*AII + DBLE( ZDOTC( N-I, A( I+1, I ), 1, |
$ A( I+1, I ), 1 ) ) |
$ A( I+1, I ), 1 ) ) |