version 1.12, 2012/12/14 14:22:36
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version 1.16, 2017/06/17 11:06:27
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* |
* |
* =========== DOCUMENTATION =========== |
* =========== DOCUMENTATION =========== |
* |
* |
* Online html documentation available at |
* Online html documentation available at |
* http://www.netlib.org/lapack/explore-html/ |
* http://www.netlib.org/lapack/explore-html/ |
* |
* |
*> \htmlonly |
*> \htmlonly |
*> Download DLASWP + dependencies |
*> Download DLASWP + dependencies |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dlaswp.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dlaswp.f"> |
*> [TGZ]</a> |
*> [TGZ]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dlaswp.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dlaswp.f"> |
*> [ZIP]</a> |
*> [ZIP]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dlaswp.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dlaswp.f"> |
*> [TXT]</a> |
*> [TXT]</a> |
*> \endhtmlonly |
*> \endhtmlonly |
* |
* |
* Definition: |
* Definition: |
* =========== |
* =========== |
* |
* |
* SUBROUTINE DLASWP( N, A, LDA, K1, K2, IPIV, INCX ) |
* SUBROUTINE DLASWP( N, A, LDA, K1, K2, IPIV, INCX ) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* INTEGER INCX, K1, K2, LDA, N |
* INTEGER INCX, K1, K2, LDA, N |
* .. |
* .. |
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* INTEGER IPIV( * ) |
* INTEGER IPIV( * ) |
* DOUBLE PRECISION A( LDA, * ) |
* DOUBLE PRECISION A( LDA, * ) |
* .. |
* .. |
* |
* |
* |
* |
*> \par Purpose: |
*> \par Purpose: |
* ============= |
* ============= |
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*> \param[in] K2 |
*> \param[in] K2 |
*> \verbatim |
*> \verbatim |
*> K2 is INTEGER |
*> K2 is INTEGER |
*> The last element of IPIV for which a row interchange will |
*> (K2-K1+1) is the number of elements of IPIV for which a row |
*> be done. |
*> interchange will be done. |
*> \endverbatim |
*> \endverbatim |
*> |
*> |
*> \param[in] IPIV |
*> \param[in] IPIV |
*> \verbatim |
*> \verbatim |
*> IPIV is INTEGER array, dimension (K2*abs(INCX)) |
*> IPIV is INTEGER array, dimension (K1+(K2-K1)*abs(INCX)) |
*> The vector of pivot indices. Only the elements in positions |
*> The vector of pivot indices. Only the elements in positions |
*> K1 through K2 of IPIV are accessed. |
*> K1 through K1+(K2-K1)*INCX of IPIV are accessed. |
*> IPIV(K) = L implies rows K and L are to be interchanged. |
*> IPIV(K) = L implies rows K and L are to be interchanged. |
*> \endverbatim |
*> \endverbatim |
*> |
*> |
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* Authors: |
* Authors: |
* ======== |
* ======== |
* |
* |
*> \author Univ. of Tennessee |
*> \author Univ. of Tennessee |
*> \author Univ. of California Berkeley |
*> \author Univ. of California Berkeley |
*> \author Univ. of Colorado Denver |
*> \author Univ. of Colorado Denver |
*> \author NAG Ltd. |
*> \author NAG Ltd. |
* |
* |
*> \date September 2012 |
*> \date December 2016 |
* |
* |
*> \ingroup doubleOTHERauxiliary |
*> \ingroup doubleOTHERauxiliary |
* |
* |
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* ===================================================================== |
* ===================================================================== |
SUBROUTINE DLASWP( N, A, LDA, K1, K2, IPIV, INCX ) |
SUBROUTINE DLASWP( N, A, LDA, K1, K2, IPIV, INCX ) |
* |
* |
* -- LAPACK auxiliary routine (version 3.4.2) -- |
* -- LAPACK auxiliary routine (version 3.7.0) -- |
* -- 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..-- |
* September 2012 |
* December 2016 |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
INTEGER INCX, K1, K2, LDA, N |
INTEGER INCX, K1, K2, LDA, N |
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I2 = K2 |
I2 = K2 |
INC = 1 |
INC = 1 |
ELSE IF( INCX.LT.0 ) THEN |
ELSE IF( INCX.LT.0 ) THEN |
IX0 = 1 + ( 1-K2 )*INCX |
IX0 = K1 + ( K1-K2 )*INCX |
I1 = K2 |
I1 = K2 |
I2 = K1 |
I2 = K1 |
INC = -1 |
INC = -1 |