petsc-3.12.5 2020-03-29

DMPlexCreateClosureIndex

Calculate an index for the given PetscSection for the closure operation on the DM

#include "petscdmplex.h"   
PetscErrorCode DMPlexCreateClosureIndex(DM dm, PetscSection section)

Not collective

	dm	- The DM
	section	- The section describing the layout in v, or NULL to use the default section

This should greatly improve the performance of the closure operations, at the cost of additional memory.

intermediate