[petsc-dev] remove ftime from PetscErrorCode TSSolve(TS ts, Vec u, PetscReal *ftime)

[Matthew Knepley]

On Mon, Oct 29, 2012 at 10:36 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:

>
> On Oct 29, 2012, at 9:27 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote:
>
> > Sure, you could do that. Do you want to get rid of the solution vector
> too?
>
>    We still have that silly argument with KSP and SNES so I think I'll
> keep it for now.


No please. Not the "remove b and x from KSPSolve" debacle again.

  Matt


>
>    Barry
>
> >
> > On Oct 29, 2012 6:55 PM, "Barry Smith" <bsmith at mcs.anl.gov> wrote:
> >
> >    I don't understand, in TSSolve() I see
> >
> >     if (ftime) *ftime = ts->prime;
> > and       if (ftime) *ftime = ts->max_time;
> >
> >   why not just stash ftime in the TS object and provide a
> TSGetFinalTime(ts,PetscInt *ftime)?
> >
> >     Barry
> >
> >
> >
> >
> > On Oct 29, 2012, at 8:51 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote:
> >
> > > In general, there is the internal state which may be later than the
> final time, plus the interpolated time. If you get rid of that argument,
> the user probably has to use TSInterpolate to get the state to coincide
> with the final time.
> > >
> > > On Oct 29, 2012 6:46 PM, "Barry Smith" <bsmith at mcs.anl.gov> wrote:
> > >
> > >   Can we remove the ftime argument from TSSolve()?
> > >
> > >    Thanks
> > >
> > >     Barry
> > >
> >
>
>


-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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