Peter Brune <[email protected]> writes:

> I think that it would be quite appropriate for VI to politely suggest that
> one uses the unconstrained Newton solver by error message when it can't
> find constraints explicitly put on it.  Having VI try to slorp the bounds
> of the DM after failing in the solver is just another level of confusing
> indirection for the user.  The first step we discussed with Jason with
> respect to PETSc's assimilation of TAO was the addition of a constraint
> object.  Should we see how that goes before fixing behavior?

Fine with me.  Being more helpful in this failure mode doesn't seem
urgent.

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