Petsc + BlockSolve95

[Matthew Knepley]

I believe there is a problem with the option that you specified. All these
are integers, and it is complaining that the integer does not match
MAT_SYMMETRIC. I will fix the error message to print the offending
option, but please check the code.

  Thanks,

     Matt

On 5/9/06, Boulahya Faïza <F.Boulahya at brgm.fr> wrote:
>
> Hi All,
>
> Has anyone used Conjugate Gradient Solver + Icomplete Cholesky
> Preconditionner in parallel case? I tried as said in the manual : I use
> MATMPIROWBS for the storage of the matrice. However I get this message :
>
> PETSC ERROR: To use incomplete Cholesky
>                         preconditioning with a MATMPIROWBS matrix you must
> declare it to be
>                         symmetric using the option
> MatSetOption(A,MAT_SYMMETRIC)!
>
> So I tried adding this option (even if in the namual it is written that it
> is not required). Then I obtained this message
> PETSC ERROR: MatSetOption_MPIRowbs() line 1411 in
> src/mat/impls/rowbs/mpi/mpirowbs.c
> PETSC ERROR: No support for this operation for this object type!
> PETSC ERROR: unknown option!
> PETSC ERROR: MatSetOption() line 4137 in src/mat/interface/matrix.c
>
> In advance thanks,
>
>
> Faïza
>
>
> Pensez à visiter le site BRGM sur.... http://www.brgm.fr/
>
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--
"Failure has a thousand explanations. Success doesn't need one" -- Sir Alec
Guiness
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