[Dune] FS#223 Bug in solve and invert of FieldMatrix fixed

[Sreejith Pulloor Kuttanikkad]

On Thu, Dec 21, 2006 at 03:19:42PM +0100, Markus Blatt wrote:
> Dear Dune Users,
> 
> may I point your attention to flyspray bug #223
> http://hal.iwr.uni-heidelberg.de/flyspray/?do=details&id=223 
> 
> There was a serious bug in the privoting used both for the solve and
> the invert method of FieldMatrix. This means that whenever the
> absolute diagonal value of a row of FieldMatrix A became less than
> 1E-14*|A| during the lu decomposition the result was wrong.
> Here | | denotes the infinity norm of the matrix.
> 
> This is fixed in revision 4823.
> 
> I would recommend updating and running calculations again as this
> might have incluenced them.

I cant update at the moment:
sreejith at cray:~/dune-home/dune-istl$ svn update
svn: PROPFIND request failed on '/dav/dune-istl/trunk'
svn: PROPFIND of '/dav/dune-istl/trunk': could not connect to server
(http://svn.dune-project.org)

Sreejith

> 
> Cheers,
> 
> Markus
> 
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-- 
Sreejith P. Kuttanikkad                       
Institute for Environmental Physics
University of Heidelberg       
Room:336, Im Neuenheimer Feld-229                         
69120 Heidelberg,Germany.                      
Ph :+49-6221-54-6512(Office)
   :+49-(0)17624228904(Mob)
http://hal.iwr.uni-heidelberg.de/~sreejith/
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