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Diff for /rpl/lapack/lapack/dlarrv.f between versions 1.19 and 1.24

version 1.19, 2017/06/17 10:53:56 version 1.24, 2023/08/07 08:38:58
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 *> \verbatim  *> \verbatim
 *>          VU is DOUBLE PRECISION  *>          VU is DOUBLE PRECISION
 *>          Upper bound 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. 
 *>          end of the extremal eigenvalues in the desired RANGE.  *>          Note: VU is currently not used by this implementation of DLARRV, VU is
   *>          passed to DLARRV because it could be used compute gaps on the right end
   *>          of the extremal eigenvalues. However, with not much initial accuracy in
   *>          LAMBDA and VU, the formula can lead to an overestimation of the right gap
   *>          and thus to inadequately early RQI 'convergence'. This is currently
   *>          prevented this by forcing a small right gap. And so it turns out that VU
   *>          is currently not used by this implementation of DLARRV.
 *> \endverbatim  *> \endverbatim
 *>  *>
 *> \param[in,out] D  *> \param[in,out] D
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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,out] W  *> \param[in,out] W
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 *> \author Univ. of Colorado Denver  *> \author Univ. of Colorado Denver
 *> \author NAG Ltd.  *> \author NAG Ltd.
 *  *
 *> \date June 2016  
 *  
 *> \ingroup doubleOTHERauxiliary  *> \ingroup doubleOTHERauxiliary
 *  *
 *> \par Contributors:  *> \par Contributors:
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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 3.7.0) --  *  -- 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            DOL, DOU, INFO, LDZ, M, N        INTEGER            DOL, DOU, INFO, LDZ, M, N
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 *     ..  *     ..
   
       INFO = 0        INFO = 0
   *
   *     Quick return if possible
   *
         IF( (N.LE.0).OR.(M.LE.0) ) THEN
            RETURN
         END IF
   *
 *     The first N entries of WORK are reserved for the eigenvalues  *     The first N entries of WORK are reserved for the eigenvalues
       INDLD = N+1        INDLD = N+1
       INDLLD= 2*N+1        INDLLD= 2*N+1
Removed from v.1.19  
changed lines
  Added in v.1.24

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