[petsc-users] AOCreateMapping

[Matthew Knepley]

On Mon, Mar 19, 2012 at 7:19 PM, Mohammad Mirzadeh <mirzadeh at gmail.com>wrote:

> Hi,
>
> When using AOCreateMapping, it is not possible to ask for mapping of
> indecies that do not exist in the AO -- You get "[0]PETSC ERROR: Argument
> out of range!" :
>
> [0]PETSC ERROR: --------------------- Error Message
> ------------------------------------
> [0]PETSC ERROR: Argument out of range!
> [0]PETSC ERROR: Invalid input index 21!
> [0]PETSC ERROR:
> ------------------------------------------------------------------------
> [0]PETSC ERROR: Petsc Release Version 3.2.0, Patch 6, Wed Jan 11 09:28:45
> CST 2012
> [0]PETSC ERROR: See docs/changes/index.html for recent updates.
> [0]PETSC ERROR: See docs/faq.html for hints about trouble shooting.
> [0]PETSC ERROR: See docs/index.html for manual pages.
> [0]PETSC ERROR:
> ------------------------------------------------------------------------
> [0]PETSC ERROR: ./petsc on a arch-linu named mohammad-laptop by mohammad
> Mon Mar 19 17:16:13 2012
> [0]PETSC ERROR: Libraries linked from
> /home/mohammad/soft/petsc-3.2-p6/arch-linux2-cxx-debug/lib
> [0]PETSC ERROR: Configure run at Thu Feb 16 02:16:40 2012
> [0]PETSC ERROR: Configure options --with-cc=gcc --with-cxx=g++
> --with-fc=gfortran --with-clanguage=cxx --download-f-blas-lapack=1
> --download-mpich=1 --download-hypre=1 --download-ml=1
> --with-parmetis-include=/home/mohammad/soft/parmetis/include
> --with-parmetis-lib="-L/home/mohammad/soft/parmetis/lib -lparmetis -lmetis"
> --download-superlu_dist=1
> [0]PETSC ERROR:
> ------------------------------------------------------------------------
> [0]PETSC ERROR: AOApplicationToPetsc_Mapping() line 136 in
> /home/mohammad/soft/petsc-3.2-p6/src/dm/ao/impls/mapping/aomapping.c
> [0]PETSC ERROR: AOApplicationToPetsc() line 250 in
> /home/mohammad/soft/petsc-3.2-p6/src/dm/ao/interface/ao.c
>
>
> Is there an easy way to have the AO return a flag integer (like -1) for
> nodes that do not exist in the AO?
>

You can get the indices and check yourself.

  Matt


> Mohammad
>



-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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