[petsc-users] Test convergence with non linear preconditioners

Adolfo Rodriguez adantra at gmail.com
Wed Aug 5 15:30:27 CDT 2020


Jed,

I tred your suggestion

  SNESGetNPC(snes, &inner);
  SNESSetConvergenceTest(inner, YourFunc, ...);

and it is working as expected. I had not pieced together the fact that
"inner" is a "snes" object as well.

Thanks!



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On Wed, Aug 5, 2020 at 3:11 PM Jed Brown <jed at jedbrown.org> wrote:

> Adolfo Rodriguez <adantra at gmail.com> writes:
>
> > Actually I can set the non-linear pc. My problem relates to the
> convergence
> > test. I have not found a way to set the tolerances for the inner problem,
> > are they hard coded?
>
> I suggested code to set a custom convergence test.  Nothing is
> hard-coded.  What have you done?
>
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