Invalid argument! - not a permutation!

[Barry Smith]

  I have added this information to the error message that gets printed.

   Barry


On Thu, 25 Oct 2007, Matthew Knepley wrote:

> I think you need to tell use that the IS is a permutation:
> 
> http://www-unix.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-current/docs/manualpages/IS/ISSetPermutation.html
> 
>    Matt
> 
> On 10/25/07, Tim Stitt <timothy.stitt at ichec.ie> wrote:
> > Hi all,
> >
> > Following on from some help I got a few days ago with respect to
> > MatLUFactorSymbolic() usage in Fortran...I think I now have all the
> > parts in place but keep getting the following runtime error upon execution:
> >
> > [0]PETSC ERROR: --------------------- Error Message
> > ------------------------------------
> > [0]PETSC ERROR: Invalid argument!
> > [0]PETSC ERROR: not a permutation!
> > ...
> > [0]PETSC ERROR:
> > ------------------------------------------------------------------------
> > [0]PETSC ERROR: ISInvertPermutation() line 183 in
> > src/vec/is/interface/index.c
> > [0]PETSC ERROR: MatLUFactorSymbolic_SeqAIJ() line 276 in
> > src/mat/impls/aij/seq/aijfact.c
> > [0]PETSC ERROR: MatLUFactorSymbolic() line 2178 in
> > src/mat/interface/matrix.c
> > [localhost.localdomain:24730] MPI_ABORT invoked on rank 0 in
> > communicator MPI_COMM_WORLD with errorcode 62
> >
> > Here is the portion of  the offending code (I think):
> >
> >   call MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY,error);CHKERRQ(error)
> >   call MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY,error);CHKERRQ(error)
> >   call ISCreateGeneral(PETSC_COMM_WORLD,order,columnIndices,
> > indexSet,error);CHKERRQ(error)
> >   call MatFactorInfoInitialize(info,error);CHKERRQ(error)
> >   call
> > MatLUFactorSymbolic(A,indexSet,indexSet,info,factorMat,error);CHKERRQ(error)
> >
> > order - number of rows/columns in square matrix A
> > columnIndices - 1D array containing values 0-->order-1
> >
> > All types are set correctly as far as I can tell.
> >
> > Can anyone suggest why the execution falls over during the
> > MatLUFactorSymbolic() call?
> >
> > Thanks again,
> >
> > Tim.
> >
> > --
> > Dr. Timothy Stitt <timothy_dot_stitt_at_ichec.ie>
> > HPC Application Consultant - ICHEC (www.ichec.ie)
> >
> > Dublin Institute for Advanced Studies
> > 5 Merrion Square - Dublin 2 - Ireland
> >
> > +353-1-6621333 (tel) / +353-1-6621477 (fax)
> >
> >
> 
> 
>