version 1.2, 2017/06/17 11:06:46
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version 1.3, 2018/05/29 06:55:23
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*> \author Univ. of Colorado Denver |
*> \author Univ. of Colorado Denver |
*> \author NAG Ltd. |
*> \author NAG Ltd. |
* |
* |
*> \date December 2016 |
*> \date November 2017 |
* |
* |
*> \ingroup complex16OTHEReigen |
*> \ingroup complex16OTHEReigen |
* |
* |
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* |
* |
IMPLICIT NONE |
IMPLICIT NONE |
* |
* |
* -- LAPACK driver routine (version 3.7.0) -- |
* -- LAPACK driver routine (version 3.8.0) -- |
* -- 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..-- |
* December 2016 |
* November 2017 |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
CHARACTER JOBZ, UPLO |
CHARACTER JOBZ, UPLO |
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* .. |
* .. |
* .. External Functions .. |
* .. External Functions .. |
LOGICAL LSAME |
LOGICAL LSAME |
INTEGER ILAENV |
INTEGER ILAENV2STAGE |
DOUBLE PRECISION DLAMCH, ZLANHB |
DOUBLE PRECISION DLAMCH, ZLANHB |
EXTERNAL LSAME, DLAMCH, ZLANHB, ILAENV |
EXTERNAL LSAME, DLAMCH, ZLANHB, ILAENV2STAGE |
* .. |
* .. |
* .. External Subroutines .. |
* .. External Subroutines .. |
EXTERNAL DSCAL, DSTERF, XERBLA, ZLASCL, ZSTEQR |
EXTERNAL DSCAL, DSTERF, XERBLA, ZLASCL, ZSTEQR, |
$ ZHETRD_2STAGE |
$ ZHETRD_2STAGE, ZHETRD_HB2ST |
* .. |
* .. |
* .. Intrinsic Functions .. |
* .. Intrinsic Functions .. |
INTRINSIC DBLE, SQRT |
INTRINSIC DBLE, SQRT |
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LWMIN = 1 |
LWMIN = 1 |
WORK( 1 ) = LWMIN |
WORK( 1 ) = LWMIN |
ELSE |
ELSE |
IB = ILAENV( 18, 'ZHETRD_HB2ST', JOBZ, N, KD, -1, -1 ) |
IB = ILAENV2STAGE( 2, 'ZHETRD_HB2ST', JOBZ, |
LHTRD = ILAENV( 19, 'ZHETRD_HB2ST', JOBZ, N, KD, IB, -1 ) |
$ N, KD, -1, -1 ) |
LWTRD = ILAENV( 20, 'ZHETRD_HB2ST', JOBZ, N, KD, IB, -1 ) |
LHTRD = ILAENV2STAGE( 3, 'ZHETRD_HB2ST', JOBZ, |
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$ N, KD, IB, -1 ) |
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LWTRD = ILAENV2STAGE( 4, 'ZHETRD_HB2ST', JOBZ, |
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$ N, KD, IB, -1 ) |
LWMIN = LHTRD + LWTRD |
LWMIN = LHTRD + LWTRD |
WORK( 1 ) = LWMIN |
WORK( 1 ) = LWMIN |
ENDIF |
ENDIF |