petsc-3.13.6 2020-09-29

DMCoarsen_Moab

Generate a multi-level uniform refinement hierarchy by succesively refining a coarse mesh, already defined in the DM object provided by the user.

PETSC_EXTERN PetscErrorCode DMCoarsen_Moab(DM dm, MPI_Comm comm, DM* dmc)

Collective on dm

	dm	- The DMMoab object
	comm	- the communicator to contain the new DM object (or MPI_COMM_NULL)

dmf -the coarsened DM, or NULL

Note: If no coarsening was done, the return value is NULL

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