[petsc-dev] strangness in Chebyshev estimate of eigenvalues

[Barry Smith]

> On Aug 27, 2015, at 4:38 PM, Mark Adams <mfadams at lbl.gov> wrote:
> 
> OK, I can put PetscRandom back into GAMG and add a check for DIVERGE_ITS in the Cheby solve.  Is that necessary and sufficient?

  Branch? 


> 
> Mark
> 
> On Thu, Aug 27, 2015 at 4:25 PM, Matthew Knepley <knepley at gmail.com> wrote:
> On Thu, Aug 27, 2015 at 2:17 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:
> 
> > On Aug 27, 2015, at 2:15 PM, Jed Brown <jed at jedbrown.org> wrote:
> >
> > Barry Smith <bsmith at mcs.anl.gov> writes:
> >>   Don't use drand48 directly; use PetscRandom. Matt promised to fix up PetscRandom to use it by default and work on all systems so all you need to do is use PetscRandom everywhere.
> >
> > Yes, that's what I meant.  But we need a deterministic seed.
> 
>   Matt promised
> 
> Its in 'next',
> 
>   -random_type rander48
> 
>    Matt
> 
> -- 
> 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
>