Re: [petsc-dev] TAO convergence tests are undecipherable

Todd, can you come up with a reason why we might need to keep these fatol, frtol tests around? I would prefer to take them out. Jason On Tue, Sep 8, 2015 at 9:54 PM, Smith, Barry F. wrote: > > Jason, > >Perhaps it is just documentation. > > /*@ > TaoSetTolerances -

Re: [petsc-dev] TAO convergence tests are undecipherable

> > The function tolerances are usually something like |f(x_k) - f_(x_{k-1})| > <= fatol But that is *not* what they are in TAO, this has always been a source of confusion. The one upside of the f-tolerances is that they give the users a reasonable level of confidence that the objective