[petsc-dev] resurrecting the finite element energy functions thread

Jed Brown jed at jedbrown.org
Tue Jan 21 12:04:58 CST 2014

Geoffrey Irving <irving at naml.us> writes:

> On Sun, Jan 19, 2014 at 5:03 PM, Jed Brown <jed at jedbrown.org> wrote:
>> Geoffrey Irving <irving at naml.us> writes:
>>> It isn't, the only difference is that the function I'm imagining needs
>>> an extra quadrature rule argument.  Nothing here is complicated, so if
>>> there are no particular opinions I'll write the function and send a
>>> patch.  Can I write it hard coded to MPI_SUM first, and we can discuss
>>> how to generalize it after that?  I am less clear on how to best write
>>> the generalized version.
>> That's fine with me.
> Should the result be an array of PetscScalar or PetscReal?  My
> application is for objectives, so PetscReal, but PetscScalar is more
> generic.

I would use PetscScalar.
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