[petsc-users] Question about Matrix Free

[Matthew Knepley]

On Sun, Jun 24, 2012 at 1:34 PM, behzad baghapour <
behzad.baghapour at gmail.com> wrote:

> Would you please explain more ? Did you mean the void type of the
> matrix-vector kernel ?
>

The return type MUST be PetscErrorCode

  Matt

-- 
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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