version 1.17, 2017/06/17 11:06:25
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version 1.21, 2023/08/07 08:38:57
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*> RTOL is DOUBLE PRECISION |
*> RTOL is DOUBLE PRECISION |
*> Tolerance for the convergence of the bisection intervals. |
*> Tolerance for the convergence of the bisection intervals. |
*> An interval [LEFT,RIGHT] has converged if |
*> An interval [LEFT,RIGHT] has converged if |
*> RIGHT-LEFT.LT.RTOL*MAX(|LEFT|,|RIGHT|). |
*> RIGHT-LEFT < RTOL*MAX(|LEFT|,|RIGHT|). |
*> \endverbatim |
*> \endverbatim |
*> |
*> |
*> \param[in] OFFSET |
*> \param[in] OFFSET |
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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 OTHERauxiliary |
*> \ingroup OTHERauxiliary |
* |
* |
*> \par Contributors: |
*> \par Contributors: |
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$ RTOL, OFFSET, W, WERR, WORK, IWORK, |
$ RTOL, OFFSET, W, WERR, WORK, IWORK, |
$ PIVMIN, SPDIAM, INFO ) |
$ PIVMIN, SPDIAM, INFO ) |
* |
* |
* -- 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..-- |
* December 2016 |
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* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
INTEGER IFIRST, ILAST, INFO, N, OFFSET |
INTEGER IFIRST, ILAST, INFO, N, OFFSET |
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* |
* |
INFO = 0 |
INFO = 0 |
* |
* |
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* Quick return if possible |
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* |
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IF( N.LE.0 ) THEN |
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RETURN |
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END IF |
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* |
MAXITR = INT( ( LOG( SPDIAM+PIVMIN )-LOG( PIVMIN ) ) / |
MAXITR = INT( ( LOG( SPDIAM+PIVMIN )-LOG( PIVMIN ) ) / |
$ LOG( TWO ) ) + 2 |
$ LOG( TWO ) ) + 2 |
* |
* |