[petsc-dev] PetscSection

[Barry Smith]

On Sep 11, 2013, at 7:54 AM, Jed Brown <jedbrown at mcs.anl.gov> wrote:

> Barry Smith <bsmith at mcs.anl.gov> writes:
>>   Sometimes it is more convenient to use "global indices" than
>> rank/local offset. Thus we need a "scalable" utility to convert back
>> and forth between them. Possibly having interfaces to supply the
>> information in either format.
> 
> http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/IS/PetscSFSetGraphLayout.html

   Fine, but their really shouldn't be two SFSetGraph() functions. Rather there should be two ways of constructing the "abstract indices" that are passed to one SFSetGraph() function.