version 1.20, 2017/06/17 11:06:25
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version 1.24, 2023/08/07 08:38:57
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*> RTOL2 is DOUBLE PRECISION |
*> RTOL2 is DOUBLE PRECISION |
*> Parameters for bisection. |
*> Parameters for bisection. |
*> An interval [LEFT,RIGHT] has converged if |
*> An interval [LEFT,RIGHT] has converged if |
*> RIGHT-LEFT.LT.MAX( RTOL1*GAP, RTOL2*MAX(|LEFT|,|RIGHT|) ) |
*> RIGHT-LEFT < MAX( RTOL1*GAP, RTOL2*MAX(|LEFT|,|RIGHT|) ) |
*> \endverbatim |
*> \endverbatim |
*> |
*> |
*> \param[in] SPLTOL |
*> \param[in] SPLTOL |
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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 OTHERauxiliary |
*> \ingroup OTHERauxiliary |
* |
* |
*> \par Further Details: |
*> \par Further Details: |
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$ W, WERR, WGAP, IBLOCK, INDEXW, GERS, PIVMIN, |
$ W, WERR, WGAP, IBLOCK, INDEXW, GERS, PIVMIN, |
$ WORK, IWORK, INFO ) |
$ WORK, IWORK, 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..-- |
* June 2016 |
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* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
CHARACTER RANGE |
CHARACTER RANGE |
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* .. |
* .. |
* .. External Subroutines .. |
* .. External Subroutines .. |
EXTERNAL DCOPY, DLARNV, DLARRA, DLARRB, DLARRC, DLARRD, |
EXTERNAL DCOPY, DLARNV, DLARRA, DLARRB, DLARRC, DLARRD, |
$ DLASQ2 |
$ DLASQ2, DLARRK |
* .. |
* .. |
* .. Intrinsic Functions .. |
* .. Intrinsic Functions .. |
INTRINSIC ABS, MAX, MIN |
INTRINSIC ABS, MAX, MIN |
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* |
* |
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INFO = 0 |
INFO = 0 |
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* |
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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 |
* |
* |
* Decode RANGE |
* Decode RANGE |
* |
* |
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RETURN |
RETURN |
* |
* |
* end of DLARRE |
* End of DLARRE |
* |
* |
END |
END |