#include "petscpc.h" PetscErrorCode PCFieldSplitSetDiagUseAmat(PC pc,PetscBool flg)Logically Collective on PC
| pc | - the preconditioner object | |
| flg | - boolean flag indicating whether or not to use Amat to extract the diagonal blocks from |
| -pc_fieldsplit_diag_use_amat |