[petsc-users] Local vecs of a DMComposite() in F90 code

[Gautam Bisht]

Hi,

I was able to solve my problem by using DMCompositeGetLocalISs() and
VecGetSubVector().

-Gautam.



On Mon, Mar 24, 2014 at 11:37 AM, Gautam Bisht <gbisht at lbl.gov> wrote:

> Hi,
>
> I'm trying to write a fortran code that uses TS with DMComposite for a
> multiphysics problem. How can I access local vectors created using a
> DMCreateGlobalVector() from a Fortran code? I tried
> DMCompositeGetLocalVectorsF90(), but I believe there isn't such a function.
>
> Also, what is the difference between creating vectors/matrices as nested
> versus letting DMComposite() handle the creation of vec/mat?
>
> Thanks,
> -Gautam.
>
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