version 1.9, 2011/11/21 20:43:08
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version 1.16, 2016/08/27 15:34:44
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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 complex16GEcomputational |
*> \ingroup complex16GEcomputational |
* |
* |
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* ===================================================================== |
* ===================================================================== |
SUBROUTINE ZGEBAL( JOB, N, A, LDA, ILO, IHI, SCALE, INFO ) |
SUBROUTINE ZGEBAL( JOB, N, A, LDA, ILO, IHI, SCALE, 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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* .. External Functions .. |
* .. External Functions .. |
LOGICAL DISNAN, LSAME |
LOGICAL DISNAN, LSAME |
INTEGER IZAMAX |
INTEGER IZAMAX |
DOUBLE PRECISION DLAMCH |
DOUBLE PRECISION DLAMCH, DZNRM2 |
EXTERNAL DISNAN, LSAME, IZAMAX, DLAMCH |
EXTERNAL DISNAN, LSAME, IZAMAX, DLAMCH, DZNRM2 |
* .. |
* .. |
* .. External Subroutines .. |
* .. External Subroutines .. |
EXTERNAL XERBLA, ZDSCAL, ZSWAP |
EXTERNAL XERBLA, ZDSCAL, ZSWAP |
* .. |
* .. |
* .. Intrinsic Functions .. |
* .. Intrinsic Functions .. |
INTRINSIC ABS, DBLE, DIMAG, MAX, MIN |
INTRINSIC ABS, DBLE, DIMAG, MAX, MIN |
* .. |
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* .. Statement Functions .. |
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DOUBLE PRECISION CABS1 |
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* .. |
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* .. Statement Function definitions .. |
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CABS1( CDUM ) = ABS( DBLE( CDUM ) ) + ABS( DIMAG( CDUM ) ) |
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* .. |
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* .. Executable Statements .. |
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* |
* |
* Test the input parameters |
* Test the input parameters |
* |
* |
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NOCONV = .FALSE. |
NOCONV = .FALSE. |
* |
* |
DO 200 I = K, L |
DO 200 I = K, L |
C = ZERO |
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R = ZERO |
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* |
* |
DO 150 J = K, L |
C = DZNRM2( L-K+1, A( K, I ), 1 ) |
IF( J.EQ.I ) |
R = DZNRM2( L-K+1, A( I, K ), LDA ) |
$ GO TO 150 |
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C = C + CABS1( A( J, I ) ) |
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R = R + CABS1( A( I, J ) ) |
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150 CONTINUE |
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ICA = IZAMAX( L, A( 1, I ), 1 ) |
ICA = IZAMAX( L, A( 1, I ), 1 ) |
CA = ABS( A( ICA, I ) ) |
CA = ABS( A( ICA, I ) ) |
IRA = IZAMAX( N-K+1, A( I, K ), LDA ) |
IRA = IZAMAX( N-K+1, A( I, K ), LDA ) |