[petsc-users] ILU preconditioner

[Matthew Knepley]

That would take knowledge of the internals of PETSc, since we use
specialized
data structures internally to speed up the triangular solve. You would have
to look
at the PETSc code.

  Thanks,

     Matt

On Tue, May 31, 2011 at 1:02 AM, Danesh Daroui <danesh.daroui at ltu.se> wrote:

>
> Hi,
>
> I have a complex system of equations and I use PETSc to solve the
> system. I also use MKL to create the preconditioner using ILU. The ILU
> preconditioner is created only on the real part of the coefficient
> matrix and is stored in CSR format with the data type of double
> precision. I wanted to ask if it is possible to use this preconditioner
> and pass it to PETSc in CSR format? Can it be used with PETSc complex
> solver although the preconditioner is in double precision format?
>
> Regards,
>
> Danesh
>
>
>


-- 
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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