[petsc-dev] PetscSection

[Barry Smith]

  We have a users manual?

On Nov 9, 2012, at 8:56 PM, Matthew Knepley <knepley at gmail.com> wrote:

> On Fri, Nov 9, 2012 at 9:46 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:
>> 
>> On Nov 9, 2012, at 8:42 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote:
>> 
>>> On Fri, Nov 9, 2012 at 8:39 PM, Matthew Knepley <knepley at gmail.com> wrote:
>>> You are both right :) I don't care where we put them, but I want BCs
>>> and fields. However, this is no problem.
>>> Right now I do BCs and fields as PetscSections held inside the primary
>>> section. If IS can do what PetscSection
>>> can do, I can jsut use another IS for each one.
>>> 
>>> Convergence!
>>> 
>> 
>>   Write it up!   :-)
> 
> In the manual section on Unstructured Grids :)
> 
>   Matt
> 
>>> 
>>> I actually like it where it is. Stick with DMComplexVecGetClosure()
>>> with no section argument, and then
>>> the DM holds an IS++.
>>> 
>>> Cool, now the "normal" user doesn't even see the ++IS.
>> 
> 
> 
> 
> --
> 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