version 1.16, 2015/11/26 11:44:18
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version 1.17, 2016/08/27 15:27:10
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*> \param[in] VL |
*> \param[in] VL |
*> \verbatim |
*> \verbatim |
*> VL is DOUBLE PRECISION |
*> VL is DOUBLE PRECISION |
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*> Lower bound of the interval that contains the desired |
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*> eigenvalues. VL < VU. Needed to compute gaps on the left or right |
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*> end of the extremal eigenvalues in the desired RANGE. |
*> \endverbatim |
*> \endverbatim |
*> |
*> |
*> \param[in] VU |
*> \param[in] VU |
*> \verbatim |
*> \verbatim |
*> VU is DOUBLE PRECISION |
*> VU is DOUBLE PRECISION |
*> Lower and upper bounds of the interval that contains the desired |
*> Upper bound of the interval that contains the desired |
*> eigenvalues. VL < VU. Needed to compute gaps on the left or right |
*> eigenvalues. VL < VU. Needed to compute gaps on the left or right |
*> end of the extremal eigenvalues in the desired RANGE. |
*> end of the extremal eigenvalues in the desired RANGE. |
*> \endverbatim |
*> \endverbatim |
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*> L is DOUBLE PRECISION array, dimension (N) |
*> L is DOUBLE PRECISION array, dimension (N) |
*> On entry, the (N-1) subdiagonal elements of the unit |
*> On entry, the (N-1) subdiagonal elements of the unit |
*> bidiagonal matrix L are in elements 1 to N-1 of L |
*> bidiagonal matrix L are in elements 1 to N-1 of L |
*> (if the matrix is not splitted.) At the end of each block |
*> (if the matrix is not split.) At the end of each block |
*> is stored the corresponding shift as given by DLARRE. |
*> is stored the corresponding shift as given by DLARRE. |
*> On exit, L is overwritten. |
*> On exit, L is overwritten. |
*> \endverbatim |
*> \endverbatim |
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*> INFO is INTEGER |
*> INFO is INTEGER |
*> = 0: successful exit |
*> = 0: successful exit |
*> |
*> |
*> > 0: A problem occured in DLARRV. |
*> > 0: A problem occurred in DLARRV. |
*> < 0: One of the called subroutines signaled an internal problem. |
*> < 0: One of the called subroutines signaled an internal problem. |
*> Needs inspection of the corresponding parameter IINFO |
*> Needs inspection of the corresponding parameter IINFO |
*> for further information. |
*> for further information. |
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*> \author Univ. of Colorado Denver |
*> \author Univ. of Colorado Denver |
*> \author NAG Ltd. |
*> \author NAG Ltd. |
* |
* |
*> \date November 2015 |
*> \date June 2016 |
* |
* |
*> \ingroup doubleOTHERauxiliary |
*> \ingroup doubleOTHERauxiliary |
* |
* |
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$ IBLOCK, INDEXW, GERS, Z, LDZ, ISUPPZ, |
$ IBLOCK, INDEXW, GERS, Z, LDZ, ISUPPZ, |
$ WORK, IWORK, INFO ) |
$ WORK, IWORK, INFO ) |
* |
* |
* -- LAPACK auxiliary routine (version 3.6.0) -- |
* -- LAPACK auxiliary routine (version 3.6.1) -- |
* -- 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 2015 |
* June 2016 |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
INTEGER DOL, DOU, INFO, LDZ, M, N |
INTEGER DOL, DOU, INFO, LDZ, M, N |