version 1.17, 2017/06/17 11:06:58
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version 1.19, 2023/08/07 08:39:32
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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 |
* |
* |
*> \par Further Details: |
*> \par Further Details: |
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* ===================================================================== |
* ===================================================================== |
SUBROUTINE ZLATRD( UPLO, N, NB, A, LDA, E, TAU, W, LDW ) |
SUBROUTINE ZLATRD( UPLO, N, NB, A, LDA, E, TAU, W, LDW ) |
* |
* |
* -- 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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* |
* |
ALPHA = A( I-1, I ) |
ALPHA = A( I-1, I ) |
CALL ZLARFG( I-1, ALPHA, A( 1, I ), 1, TAU( I-1 ) ) |
CALL ZLARFG( I-1, ALPHA, A( 1, I ), 1, TAU( I-1 ) ) |
E( I-1 ) = ALPHA |
E( I-1 ) = DBLE( ALPHA ) |
A( I-1, I ) = ONE |
A( I-1, I ) = ONE |
* |
* |
* Compute W(1:i-1,i) |
* Compute W(1:i-1,i) |
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ALPHA = A( I+1, I ) |
ALPHA = A( I+1, I ) |
CALL ZLARFG( N-I, ALPHA, A( MIN( I+2, N ), I ), 1, |
CALL ZLARFG( N-I, ALPHA, A( MIN( I+2, N ), I ), 1, |
$ TAU( I ) ) |
$ TAU( I ) ) |
E( I ) = ALPHA |
E( I ) = DBLE( ALPHA ) |
A( I+1, I ) = ONE |
A( I+1, I ) = ONE |
* |
* |
* Compute W(i+1:n,i) |
* Compute W(i+1:n,i) |