preallocate space

[Matthew Knepley]

No only the one that matches the Mat type.

 Matt

On Wed, Feb 11, 2009 at 3:47 PM, Yixun Liu <enjoywm at cs.wm.edu> wrote:

> Hi,
> In ex2,
> ierr =
> MatMPIAIJSetPreallocation(A,5,PETSC_NULL,5,PETSC_NULL);CHKERRQ(ierr);
> ierr = MatSeqAIJSetPreallocation(A,5,PETSC_NULL);CHKERRQ(ierr);
>
> It means that two spaces are allocated for matrix A?
>
> Thanks.
>



-- 
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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