[petsc-users] with hypre

[Amneet Bhalla]

I see... Do I need to have some external package for gamg? I am getting
this error

Unable to find requested PC type gamg!

Also its not listed in -pc_type options when I do -help


On Fri, Aug 3, 2012 at 2:21 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:

>
> On Aug 3, 2012, at 1:34 PM, Amneet Bhalla <mail2amneet at gmail.com> wrote:
>
> > Thanks Matt for pointing to Makefile manual. I just included these lines
> >
> > include $(PETSC_DIR)/conf/variables
> > LIBS = $(PETSC_LIB)
> >
> > in the hypre's makefile and it is now working. This issue is resolved. I
> will try to write preconditioner using hypre's multigrid solvers.
> >
> > Example files which you pointed for AMG and ML are for non-linear
> solvers and distributed arrays. The
> > equation I am solving is linear for which I have a sparse matrix MPIAIJ.
> Is it possible to use multigrid solvers
> > in PETSc without going through the process of again creating new
> arrays/matrices?
>
>    Yup, that is exactly what the hyper BoomerAMG, Trilinos ML and PETSc
> gang solvers are for.
>
>     Barry
>
> >
> >
>
>


-- 
Amneet
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