PCGAMGSetGraphSymmetrize#
Set the flag to symmetrize the graph used in coarsening
Synopsis#
#include "petscpc.h" 
PetscErrorCode PCGAMGSetGraphSymmetrize(PC pc, PetscBool b)
Logically Collective
Input Parameters#
- pc - the preconditioner context 
- b - default false 
Options Database Key#
- -pc_gamg_graph_symmetrize <bool,default=false> - Symmetrize the graph 
See Also#
the Users Manual section on PCGAMG, the Users Manual section on PCMG, PCGAMG, PCGAMGSetThreshold(), PCGAMGSetAggressiveLevels(),
PCGAMGMISkSetAggressive(), PCGAMGSetAggressiveSquareGraph(), PCGAMGMISkSetMinDegreeOrdering()
Level#
intermediate
Location#
Implementations#
PCGAMGSetGraphSymmetrize_AGG() in src/ksp/pc/impls/gamg/agg.c
Index of all PC routines
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Index of all manual pages