version 1.1.1.1, 2010/01/26 15:22:46
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version 1.8, 2011/07/22 07:38:08
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SUBROUTINE DORGRQ( M, N, K, A, LDA, TAU, WORK, LWORK, INFO ) |
SUBROUTINE DORGRQ( M, N, K, A, LDA, TAU, WORK, LWORK, INFO ) |
* |
* |
* -- LAPACK routine (version 3.2) -- |
* -- LAPACK routine (version 3.3.1) -- |
* -- 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 |
* -- April 2011 -- |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
INTEGER INFO, K, LDA, LWORK, M, N |
INTEGER INFO, K, LDA, LWORK, M, N |
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CALL DLARFT( 'Backward', 'Rowwise', N-K+I+IB-1, IB, |
CALL DLARFT( 'Backward', 'Rowwise', N-K+I+IB-1, IB, |
$ A( II, 1 ), LDA, TAU( I ), WORK, LDWORK ) |
$ A( II, 1 ), LDA, TAU( I ), WORK, LDWORK ) |
* |
* |
* Apply H' to A(1:m-k+i-1,1:n-k+i+ib-1) from the right |
* Apply H**T to A(1:m-k+i-1,1:n-k+i+ib-1) from the right |
* |
* |
CALL DLARFB( 'Right', 'Transpose', 'Backward', 'Rowwise', |
CALL DLARFB( 'Right', 'Transpose', 'Backward', 'Rowwise', |
$ II-1, N-K+I+IB-1, IB, A( II, 1 ), LDA, WORK, |
$ II-1, N-K+I+IB-1, IB, A( II, 1 ), LDA, WORK, |
$ LDWORK, A, LDA, WORK( IB+1 ), LDWORK ) |
$ LDWORK, A, LDA, WORK( IB+1 ), LDWORK ) |
END IF |
END IF |
* |
* |
* Apply H' to columns 1:n-k+i+ib-1 of current block |
* Apply H**T to columns 1:n-k+i+ib-1 of current block |
* |
* |
CALL DORGR2( IB, N-K+I+IB-1, IB, A( II, 1 ), LDA, TAU( I ), |
CALL DORGR2( IB, N-K+I+IB-1, IB, A( II, 1 ), LDA, TAU( I ), |
$ WORK, IINFO ) |
$ WORK, IINFO ) |