[petsc-dev] triangle is filled with calls to random() no reproducibility here

[Smith, Barry F.]

  I hacked into ctetgen calls to your random number generator instead of random() so at least that should eliminate one reason for inconsistent results.

   Barry


> On Jan 17, 2018, at 1:25 AM, Matthew Knepley <knepley at gmail.com> wrote:
> 
> On Tue, Jan 16, 2018 at 11:49 PM, Smith, Barry F. <bsmith at mcs.anl.gov> wrote:
> 
>   Sorry, I should have said ctetgen
> 
> Yes. Jon was careful in Triangle to use the robust predicates from David Bailey, and it should be reproducible.
> TetGen does not care at all about that. For tests, it would be nice to create a structured tet mesh for the unit
> cell, but it was low on my list.
> 
>    Matt
>  
> > On Jan 16, 2018, at 10:47 PM, Barry Smith <bsmith at anl.gov> wrote:
> >
> -- 
> 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
> 
> https://www.cse.buffalo.edu/~knepley/