version 1.9, 2011/11/21 22:19:28
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version 1.14, 2016/08/27 15:34:23
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*> \author Univ. of Colorado Denver |
*> \author Univ. of Colorado Denver |
*> \author NAG Ltd. |
*> \author NAG Ltd. |
* |
* |
*> \date November 2011 |
*> \date November 2015 |
* |
* |
*> \ingroup doubleGBcomputational |
*> \ingroup doubleGBcomputational |
* |
* |
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SUBROUTINE DGGBAK( JOB, SIDE, N, ILO, IHI, LSCALE, RSCALE, M, V, |
SUBROUTINE DGGBAK( JOB, SIDE, N, ILO, IHI, LSCALE, RSCALE, M, V, |
$ LDV, INFO ) |
$ LDV, INFO ) |
* |
* |
* -- LAPACK computational routine (version 3.4.0) -- |
* -- LAPACK computational routine (version 3.6.0) -- |
* -- 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 |
* November 2015 |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
CHARACTER JOB, SIDE |
CHARACTER JOB, SIDE |
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EXTERNAL DSCAL, DSWAP, XERBLA |
EXTERNAL DSCAL, DSWAP, XERBLA |
* .. |
* .. |
* .. Intrinsic Functions .. |
* .. Intrinsic Functions .. |
INTRINSIC MAX |
INTRINSIC MAX, INT |
* .. |
* .. |
* .. Executable Statements .. |
* .. Executable Statements .. |
* |
* |
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$ 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 DSWAP( M, V( I, 1 ), LDV, V( K, 1 ), LDV ) |
CALL DSWAP( 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 DSWAP( M, V( I, 1 ), LDV, V( K, 1 ), LDV ) |
CALL DSWAP( 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 DSWAP( M, V( I, 1 ), LDV, V( K, 1 ), LDV ) |
CALL DSWAP( 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 DSWAP( M, V( I, 1 ), LDV, V( K, 1 ), LDV ) |
CALL DSWAP( M, V( I, 1 ), LDV, V( K, 1 ), LDV ) |