version 1.4, 2010/08/06 15:32:51
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version 1.5, 2010/08/07 13:18:09
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SUBROUTINE ZTZRQF( M, N, A, LDA, TAU, INFO ) |
SUBROUTINE ZTZRQF( M, N, A, LDA, TAU, INFO ) |
* |
* |
* -- LAPACK routine (version 3.2) -- |
* -- LAPACK routine (version 3.2.2) -- |
* -- 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..-- |
* November 2006 |
* June 2010 |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
INTEGER INFO, LDA, M, N |
INTEGER INFO, LDA, M, N |
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* .. |
* .. |
* .. External Subroutines .. |
* .. External Subroutines .. |
EXTERNAL XERBLA, ZAXPY, ZCOPY, ZGEMV, ZGERC, ZLACGV, |
EXTERNAL XERBLA, ZAXPY, ZCOPY, ZGEMV, ZGERC, ZLACGV, |
$ ZLARFP |
$ ZLARFG |
* .. |
* .. |
* .. Executable Statements .. |
* .. Executable Statements .. |
* |
* |
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A( K, K ) = DCONJG( A( K, K ) ) |
A( K, K ) = DCONJG( A( K, K ) ) |
CALL ZLACGV( N-M, A( K, M1 ), LDA ) |
CALL ZLACGV( N-M, A( K, M1 ), LDA ) |
ALPHA = A( K, K ) |
ALPHA = A( K, K ) |
CALL ZLARFP( N-M+1, ALPHA, A( K, M1 ), LDA, TAU( K ) ) |
CALL ZLARFG( N-M+1, ALPHA, A( K, M1 ), LDA, TAU( K ) ) |
A( K, K ) = ALPHA |
A( K, K ) = ALPHA |
TAU( K ) = DCONJG( TAU( K ) ) |
TAU( K ) = DCONJG( TAU( K ) ) |
* |
* |