#include "petscpc.h" PetscErrorCode PCHMGSetUseSubspaceCoarsening(PC pc, PetscBool subspace)Logically Collective on PC
| pc | - the HMG context | |
| reuse | - True indicates that HMG will use the subspace coarsening |
| -pc_hmg_use_subspace_coarsening <true | false> | - Whether or not to use subspace coarsening (that is, coarsen a submatrix). |