[petsc-users] Partitioning and AO problem

["Miguel A. Fernández"]

Dear all,

I'm using Petsc interface to ParMetis, as detailed in section 3.5 of the user's manual.

I have a problem with the creation of the AO mapps using the sentence 

AOCreateBasicIS(isg,PETSC NULL,&ao);

where isg contains for each local node the new global (petsc) number of that node.
The problem is that the resulting AO map is inverted, and hence the results obtained with 
AOApplicationToPetsc and AOPetscToApplication are not correct. 

Any suggestion, apart  from re-inverting the maps at hand? Many thanks in advance.

Best,
Miguel

--
Miguel A. Fernández
INRIA Paris - Rocquencourt 
Building 16, office 11
78153 Le Chesnay Cedex (France)
phone: +33 (0)1 3963 5470
fax: +33 (0)1 3963 5882
www-rocq.inria.fr/who/Miguel.Fernandez

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