[petsc-users] AMG for PETSc

[Jed Brown]

On Wed, Mar 23, 2011 at 13:48, Nun ion <m.skates82 at gmail.com> wrote:

> I am interested in using AMG for PETSc, where my matrices are complex.  I
> looked at the documentation for Hypre and I'm not sure that it supports
> complex arithmetic.  I also looked at ML from trilinos, however the only
> work around would be to recast my problem as a real system (doubling the
> MATVEcs).  Any suggestions?


Hypre and ML do not support native complex. I believe Prometheus does, but I
have not built it that way and --download-prometheus does not work for
complex (this might be easy to fix, I haven't tried).
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