version 1.9, 2011/11/21 22:19:46
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version 1.13, 2015/11/26 11:44:22
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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 complex16GBcomputational |
*> \ingroup complex16GBcomputational |
* |
* |
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SUBROUTINE ZGGBAL( JOB, N, A, LDA, B, LDB, ILO, IHI, LSCALE, |
SUBROUTINE ZGGBAL( JOB, N, A, LDA, B, LDB, ILO, IHI, LSCALE, |
$ RSCALE, WORK, INFO ) |
$ RSCALE, WORK, 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 |
CHARACTER JOB |
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IRAB = IZAMAX( N-ILO+1, B( I, ILO ), LDB ) |
IRAB = IZAMAX( N-ILO+1, B( I, ILO ), LDB ) |
RAB = MAX( RAB, ABS( B( I, IRAB+ILO-1 ) ) ) |
RAB = MAX( RAB, ABS( B( I, IRAB+ILO-1 ) ) ) |
LRAB = INT( LOG10( RAB+SFMIN ) / BASL+ONE ) |
LRAB = INT( LOG10( RAB+SFMIN ) / BASL+ONE ) |
IR = LSCALE( I ) + SIGN( HALF, LSCALE( I ) ) |
IR = INT(LSCALE( I ) + SIGN( HALF, LSCALE( I ) )) |
IR = MIN( MAX( IR, LSFMIN ), LSFMAX, LSFMAX-LRAB ) |
IR = MIN( MAX( IR, LSFMIN ), LSFMAX, LSFMAX-LRAB ) |
LSCALE( I ) = SCLFAC**IR |
LSCALE( I ) = SCLFAC**IR |
ICAB = IZAMAX( IHI, A( 1, I ), 1 ) |
ICAB = IZAMAX( IHI, A( 1, I ), 1 ) |
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ICAB = IZAMAX( IHI, B( 1, I ), 1 ) |
ICAB = IZAMAX( IHI, B( 1, I ), 1 ) |
CAB = MAX( CAB, ABS( B( ICAB, I ) ) ) |
CAB = MAX( CAB, ABS( B( ICAB, I ) ) ) |
LCAB = INT( LOG10( CAB+SFMIN ) / BASL+ONE ) |
LCAB = INT( LOG10( CAB+SFMIN ) / BASL+ONE ) |
JC = RSCALE( I ) + SIGN( HALF, RSCALE( I ) ) |
JC = INT(RSCALE( I ) + SIGN( HALF, RSCALE( I ) )) |
JC = MIN( MAX( JC, LSFMIN ), LSFMAX, LSFMAX-LCAB ) |
JC = MIN( MAX( JC, LSFMIN ), LSFMAX, LSFMAX-LCAB ) |
RSCALE( I ) = SCLFAC**JC |
RSCALE( I ) = SCLFAC**JC |
360 CONTINUE |
360 CONTINUE |