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version 1.18, 2018/05/29 07:18:30
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version 1.20, 2023/08/07 08:39:32
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| *> \author Univ. of Colorado Denver |
*> \author Univ. of Colorado Denver |
| *> \author NAG Ltd. |
*> \author NAG Ltd. |
| * |
* |
| *> \date June 2016 |
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| * |
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| *> \ingroup complex16OTHERauxiliary |
*> \ingroup complex16OTHERauxiliary |
| * |
* |
| *> \par Further Details: |
*> \par Further Details: |
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| SUBROUTINE ZLATDF( IJOB, N, Z, LDZ, RHS, RDSUM, RDSCAL, IPIV, |
SUBROUTINE ZLATDF( IJOB, N, Z, LDZ, RHS, RDSUM, RDSCAL, IPIV, |
| $ JPIV ) |
$ JPIV ) |
| * |
* |
| * -- LAPACK auxiliary routine (version 3.7.0) -- |
* -- LAPACK auxiliary 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..-- |
| * June 2016 |
|
| * |
* |
| * .. Scalar Arguments .. |
* .. Scalar Arguments .. |
| INTEGER IJOB, LDZ, N |
INTEGER IJOB, LDZ, N |
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| * |
* |
| * Solve for U- part, lockahead for RHS(N) = +-1. This is not done |
* Solve for U- part, lockahead for RHS(N) = +-1. This is not done |
| * In BSOLVE and will hopefully give us a better estimate because |
* In BSOLVE and will hopefully give us a better estimate because |
| * any ill-conditioning of the original matrix is transfered to U |
* any ill-conditioning of the original matrix is transferred to U |
| * and not to L. U(N, N) is an approximation to sigma_min(LU). |
* and not to L. U(N, N) is an approximation to sigma_min(LU). |
| * |
* |
| CALL ZCOPY( N-1, RHS, 1, WORK, 1 ) |
CALL ZCOPY( N-1, RHS, 1, WORK, 1 ) |
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