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*> \brief \b ZLARSCL2 performs reciprocal diagonal scaling on a vector. |
*> \brief \b ZLARSCL2 performs reciprocal diagonal scaling on a matrix. |
* |
* |
* =========== 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 ZLARSCL2 + dependencies |
*> Download ZLARSCL2 + dependencies |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zlarscl2.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zlarscl2.f"> |
*> [TGZ]</a> |
*> [TGZ]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zlarscl2.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zlarscl2.f"> |
*> [ZIP]</a> |
*> [ZIP]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zlarscl2.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zlarscl2.f"> |
*> [TXT]</a> |
*> [TXT]</a> |
*> \endhtmlonly |
*> \endhtmlonly |
* |
* |
* Definition: |
* Definition: |
* =========== |
* =========== |
* |
* |
* SUBROUTINE ZLARSCL2 ( M, N, D, X, LDX ) |
* SUBROUTINE ZLARSCL2 ( M, N, D, X, LDX ) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* INTEGER M, N, LDX |
* INTEGER M, N, LDX |
* .. |
* .. |
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* COMPLEX*16 X( LDX, * ) |
* COMPLEX*16 X( LDX, * ) |
* DOUBLE PRECISION D( * ) |
* DOUBLE PRECISION D( * ) |
* .. |
* .. |
* |
* |
* |
* |
*> \par Purpose: |
*> \par Purpose: |
* ============= |
* ============= |
*> |
*> |
*> \verbatim |
*> \verbatim |
*> |
*> |
*> ZLARSCL2 performs a reciprocal diagonal scaling on an vector: |
*> ZLARSCL2 performs a reciprocal diagonal scaling on a matrix: |
*> x <-- inv(D) * x |
*> x <-- inv(D) * x |
*> where the DOUBLE PRECISION diagonal matrix D is stored as a vector. |
*> where the DOUBLE PRECISION diagonal matrix D is stored as a vector. |
*> |
*> |
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*> \param[in] N |
*> \param[in] N |
*> \verbatim |
*> \verbatim |
*> N is INTEGER |
*> N is INTEGER |
*> The number of columns of D and X. N >= 0. |
*> The number of columns of X. N >= 0. |
*> \endverbatim |
*> \endverbatim |
*> |
*> |
*> \param[in] D |
*> \param[in] D |
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*> \param[in,out] X |
*> \param[in,out] X |
*> \verbatim |
*> \verbatim |
*> X is COMPLEX*16 array, dimension (LDX,N) |
*> X is COMPLEX*16 array, dimension (LDX,N) |
*> On entry, the vector X to be scaled by D. |
*> On entry, the matrix X to be scaled by D. |
*> On exit, the scaled vector. |
*> On exit, the scaled matrix. |
*> \endverbatim |
*> \endverbatim |
*> |
*> |
*> \param[in] LDX |
*> \param[in] LDX |
*> \verbatim |
*> \verbatim |
*> LDX is INTEGER |
*> LDX is INTEGER |
*> The leading dimension of the vector X. LDX >= 0. |
*> The leading dimension of the matrix X. LDX >= M. |
*> \endverbatim |
*> \endverbatim |
* |
* |
* 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 |
|
* |
* |
*> \ingroup complex16OTHERcomputational |
*> \ingroup complex16OTHERcomputational |
* |
* |
* ===================================================================== |
* ===================================================================== |
SUBROUTINE ZLARSCL2 ( M, N, D, X, LDX ) |
SUBROUTINE ZLARSCL2 ( M, N, D, X, LDX ) |
* |
* |
* -- LAPACK computational routine (version 3.4.2) -- |
* -- LAPACK computational 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..-- |
* September 2012 |
|
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
INTEGER M, N, LDX |
INTEGER M, N, LDX |