[petsc-users] Only print converged reason when not converged

[Mark Adams]

You can also do this with a monitor and get the converged reason to do what
you want:

https://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/SNES/SNESMonitorSet.html#SNESMonitorSet

On Tue, Jul 28, 2020 at 12:09 PM Mark Adams <mfadams at lbl.gov> wrote:

> You can add your own convergence test and do anything that you want:
>
>
> https://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/SNES/SNESSetConvergenceTest.html
>
> On Tue, Jul 28, 2020 at 11:44 AM Alexander Lindsay <
> alexlindsay239 at gmail.com> wrote:
>
>> To help debug the many emails we get about solves that fail to converge,
>> in MOOSE we recently appended `-snes_converged_reason
>> -ksp_converged_reason` for every call to `SNESSolve`. Of course, now we
>> have users complaining about the new text printed to their screens that
>> they didn't have before. Some of them have made a reasonable request to
>> only print the convergence reason when the solve has actually failed to
>> converge. Is there some way we can only print the reason if we've diverged,
>> e.g. if reason < 0 ?
>>
>> Alex
>>
>
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