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version 1.19, 2020/05/21 21:46:06
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version 1.20, 2023/08/07 08:39:27
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| *> \author Univ. of Colorado Denver |
*> \author Univ. of Colorado Denver |
| *> \author NAG Ltd. |
*> \author NAG Ltd. |
| * |
* |
| *> \date December 2016 |
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| * |
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| *> \ingroup complex16OTHERcomputational |
*> \ingroup complex16OTHERcomputational |
| * |
* |
| *> \par Contributors: |
*> \par Contributors: |
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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 3.7.0) -- |
* -- LAPACK computational routine -- |
| * -- 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 |
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| * |
* |
| * .. Scalar Arguments .. |
* .. Scalar Arguments .. |
| INTEGER IHI, ILO, INFO, LDH, LDZ, LWORK, N |
INTEGER IHI, ILO, INFO, LDH, LDZ, LWORK, N |
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| * . ZLAHQR because of insufficient subdiagonal scratch space. |
* . ZLAHQR because of insufficient subdiagonal scratch space. |
| * . (This is a hard limit.) ==== |
* . (This is a hard limit.) ==== |
| INTEGER NTINY |
INTEGER NTINY |
| PARAMETER ( NTINY = 11 ) |
PARAMETER ( NTINY = 15 ) |
| * |
* |
| * ==== NL allocates some local workspace to help small matrices |
* ==== NL allocates some local workspace to help small matrices |
| * . through a rare ZLAHQR failure. NL > NTINY = 11 is |
* . through a rare ZLAHQR failure. NL > NTINY = 15 is |
| * . required and NL <= NMIN = ILAENV(ISPEC=12,...) is recom- |
* . required and NL <= NMIN = ILAENV(ISPEC=12,...) is recom- |
| * . mended. (The default value of NMIN is 75.) Using NL = 49 |
* . mended. (The default value of NMIN is 75.) Using NL = 49 |
| * . allows up to six simultaneous shifts and a 16-by-16 |
* . allows up to six simultaneous shifts and a 16-by-16 |
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