#include "petscpc.h" PetscErrorCode PCGAMGSetSymGraph(PC pc, PetscBool n)Not Collective on PC
| pc | - the preconditioner context | |
| n | - PETSC_TRUE or PETSC_FALSE | |
| -pc_gamg_sym_graph <true,default=false> | - symmetrize the graph before computing the aggregation |