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version 1.12, 2012/12/14 14:22:48
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version 1.13, 2014/01/27 09:24:36
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| *> Optionally Z may be postmultiplied into an input unitary |
*> Optionally Z may be postmultiplied into an input unitary |
| *> matrix Q so that this routine can give the Schur factorization |
*> matrix Q so that this routine can give the Schur factorization |
| *> of a matrix A which has been reduced to the Hessenberg form H |
*> of a matrix A which has been reduced to the Hessenberg form H |
| *> by the unitary matrix Q: A = Q*H*Q**H = (QZ)*H*(QZ)**H. |
*> by the unitary matrix Q: A = Q*H*Q**H = (QZ)*T*(QZ)**H. |
| *> \endverbatim |
*> \endverbatim |
| * |
* |
| * Arguments: |
* Arguments: |
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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 2013 |
| * |
* |
| *> \ingroup complex16OTHERcomputational |
*> \ingroup complex16OTHERcomputational |
| * |
* |
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| SUBROUTINE ZHSEQR( JOB, COMPZ, N, ILO, IHI, H, LDH, W, Z, LDZ, |
SUBROUTINE ZHSEQR( JOB, COMPZ, N, ILO, IHI, H, LDH, W, Z, LDZ, |
| $ WORK, LWORK, INFO ) |
$ WORK, LWORK, INFO ) |
| * |
* |
| * -- LAPACK computational routine (version 3.4.0) -- |
* -- LAPACK computational routine (version 3.5.0) -- |
| * -- 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 2013 |
| * |
* |
| * .. Scalar Arguments .. |
* .. Scalar Arguments .. |
| INTEGER IHI, ILO, INFO, LDH, LDZ, LWORK, N |
INTEGER IHI, ILO, INFO, LDH, LDZ, LWORK, N |
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