petsc-3.12.5 2020-03-29

DMPlexGetSubpoint

Return the subpoint corresponding to a point in the original mesh. If the DM is not a submesh, just return the input point.

#include "petscdmplex.h"    
#include "petscdmlabel.h"   
PetscErrorCode DMPlexGetSubpoint(DM dm, PetscInt p, PetscInt *subp)

Note collective

	dm	- The submesh DM
	p	- The point in the original, from which the submesh was created

subp -The point in the submesh

developer