[Developers] LocalReduce calculating wrong L{2, 3, 4} norms for complex variables ?

[Yaakoub El Khamra]

Actually the new reduction operators for PUGHReduce have been completed
a while ago, they just have not been moved over from AlphaThorns.

On Tue, 2008-03-25 at 08:34 -0500, Erik Schnetter wrote:
> On Mar 25, 2008, at 07:39:52, Thomas Radke wrote:
> > Hi,
> >
> > comparing them with the code in CactusPUGH/PUGHReduce and
> > Carpet/CarpetReduce, I believe the reduction operators implemented in
> > CactusBase/LocalReduce calculate wrong values for the L2/L3/L4 norms  
> > for
> > complex variables: they only take the real part into account.
> >
> > Has someone successfully used these operators before ?
> 
> 
> Yes, these operators contain some errors.  They are also hand-written,  
> containing much duplicated code for the different data types.  Some  
> time ago we prepared a version which uses the C preprocessor to  
> emulate templates, simplifying the code considerably.  Unfortunately  
> this project didn't proceed, I believe because there are some missing  
> parts in the new reduction interface for mesh refinement.
> 
> -erik
> 
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