version 1.9, 2011/11/21 22:19:46
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version 1.17, 2018/05/29 07:18:16
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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 ZGGBAK + dependencies |
*> Download ZGGBAK + dependencies |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zggbak.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zggbak.f"> |
*> [TGZ]</a> |
*> [TGZ]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zggbak.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zggbak.f"> |
*> [ZIP]</a> |
*> [ZIP]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zggbak.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zggbak.f"> |
*> [TXT]</a> |
*> [TXT]</a> |
*> \endhtmlonly |
*> \endhtmlonly |
* |
* |
* Definition: |
* Definition: |
* =========== |
* =========== |
* |
* |
* SUBROUTINE ZGGBAK( JOB, SIDE, N, ILO, IHI, LSCALE, RSCALE, M, V, |
* SUBROUTINE ZGGBAK( JOB, SIDE, N, ILO, IHI, LSCALE, RSCALE, M, V, |
* LDV, INFO ) |
* LDV, INFO ) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* CHARACTER JOB, SIDE |
* CHARACTER JOB, SIDE |
* INTEGER IHI, ILO, INFO, LDV, M, N |
* INTEGER IHI, ILO, INFO, LDV, M, N |
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* DOUBLE PRECISION LSCALE( * ), RSCALE( * ) |
* DOUBLE PRECISION LSCALE( * ), RSCALE( * ) |
* COMPLEX*16 V( LDV, * ) |
* COMPLEX*16 V( LDV, * ) |
* .. |
* .. |
* |
* |
* |
* |
*> \par Purpose: |
*> \par Purpose: |
* ============= |
* ============= |
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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 November 2011 |
*> \date December 2016 |
* |
* |
*> \ingroup complex16GBcomputational |
*> \ingroup complex16GBcomputational |
* |
* |
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SUBROUTINE ZGGBAK( JOB, SIDE, N, ILO, IHI, LSCALE, RSCALE, M, V, |
SUBROUTINE ZGGBAK( JOB, SIDE, N, ILO, IHI, LSCALE, RSCALE, M, V, |
$ LDV, INFO ) |
$ LDV, INFO ) |
* |
* |
* -- LAPACK computational routine (version 3.4.0) -- |
* -- LAPACK computational 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..-- |
* November 2011 |
* December 2016 |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
CHARACTER JOB, SIDE |
CHARACTER JOB, SIDE |
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EXTERNAL XERBLA, ZDSCAL, ZSWAP |
EXTERNAL XERBLA, ZDSCAL, ZSWAP |
* .. |
* .. |
* .. Intrinsic Functions .. |
* .. Intrinsic Functions .. |
INTRINSIC MAX |
INTRINSIC MAX, INT |
* .. |
* .. |
* .. Executable Statements .. |
* .. Executable Statements .. |
* |
* |
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IF( ILO.EQ.1 ) |
IF( ILO.EQ.1 ) |
$ GO TO 50 |
$ GO TO 50 |
DO 40 I = ILO - 1, 1, -1 |
DO 40 I = ILO - 1, 1, -1 |
K = RSCALE( I ) |
K = INT(RSCALE( I )) |
IF( K.EQ.I ) |
IF( K.EQ.I ) |
$ GO TO 40 |
$ GO TO 40 |
CALL ZSWAP( M, V( I, 1 ), LDV, V( K, 1 ), LDV ) |
CALL ZSWAP( M, V( I, 1 ), LDV, V( K, 1 ), LDV ) |
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IF( IHI.EQ.N ) |
IF( IHI.EQ.N ) |
$ GO TO 70 |
$ GO TO 70 |
DO 60 I = IHI + 1, N |
DO 60 I = IHI + 1, N |
K = RSCALE( I ) |
K = INT(RSCALE( I )) |
IF( K.EQ.I ) |
IF( K.EQ.I ) |
$ GO TO 60 |
$ GO TO 60 |
CALL ZSWAP( M, V( I, 1 ), LDV, V( K, 1 ), LDV ) |
CALL ZSWAP( M, V( I, 1 ), LDV, V( K, 1 ), LDV ) |
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IF( ILO.EQ.1 ) |
IF( ILO.EQ.1 ) |
$ GO TO 90 |
$ GO TO 90 |
DO 80 I = ILO - 1, 1, -1 |
DO 80 I = ILO - 1, 1, -1 |
K = LSCALE( I ) |
K = INT(LSCALE( I )) |
IF( K.EQ.I ) |
IF( K.EQ.I ) |
$ GO TO 80 |
$ GO TO 80 |
CALL ZSWAP( M, V( I, 1 ), LDV, V( K, 1 ), LDV ) |
CALL ZSWAP( M, V( I, 1 ), LDV, V( K, 1 ), LDV ) |
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IF( IHI.EQ.N ) |
IF( IHI.EQ.N ) |
$ GO TO 110 |
$ GO TO 110 |
DO 100 I = IHI + 1, N |
DO 100 I = IHI + 1, N |
K = LSCALE( I ) |
K = INT(LSCALE( I )) |
IF( K.EQ.I ) |
IF( K.EQ.I ) |
$ GO TO 100 |
$ GO TO 100 |
CALL ZSWAP( M, V( I, 1 ), LDV, V( K, 1 ), LDV ) |
CALL ZSWAP( M, V( I, 1 ), LDV, V( K, 1 ), LDV ) |