#include "petscpc.h" PetscErrorCode PCFieldSplitSetOffDiagUseAmat(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 off-diagonal blocks from |
| -pc_fieldsplit_off_diag_use_amat |