[petsc-dev] Use of dmmg->computefunction ?

Barry Smith bsmith at mcs.anl.gov
Thu Jan 14 15:54:09 CST 2010


On Jan 14, 2010, at 3:51 PM, Matthew Knepley wrote:

> I thought I was using it somewhere. I do think that this belongs.  
> You should not have to
> have a solver in order to define a function over a space.

   Agreed there could/should be places to store functions, but it  
ain't DMMG.

   Barry

>
>   Matt
>
> On Thu, Jan 14, 2010 at 3:50 PM, Barry Smith <bsmith at mcs.anl.gov>  
> wrote:
>
>  How many times am I going to have to pound it into your head that  
> DMMG is a misconceived, poorly designed piece of junk :-(
>
>  The pointer is not there by design and I don't have any intention  
> of using it. Likely I just thought it was needed when I scrawled out  
> the original code and its been there since then.
> There is a Jacobian pointer that is used, but I don't like :-(
>
>
>   Barry
>
>
> On Jan 14, 2010, at 3:34 PM, Jed Brown wrote:
>
> This isn't currently used anywhere.  Is there some case where it would
> be needed (rather than by calling SNESComputeFunction as is currently
> done)?
>
> Jed
>
>
>
>
> -- 
> 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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