PCGAMGMISkSetMinDegreeOrdering

Use minimum degree ordering in greedy MIS algorithm

Synopsis

#include "petscpc.h" 
PetscErrorCode PCGAMGMISkSetMinDegreeOrdering(PC pc, PetscBool b)

Logically Collective

Input Parameters

• pc - the preconditioner context

• b - default true

Options Database Key

• -pc_gamg_mis_k_minimum_degree_ordering <bool,default=true> - Use minimum degree ordering in greedy MIS algorithm

See Also

KSP: Linear System Solvers, PCGAMG, PCGAMGSetThreshold(), PCGAMGSetAggressiveLevels(), PCGAMGMISkSetAggressive(), PCGAMGSetAggressiveSquareGraph()

Level

intermediate

Location

src/ksp/pc/impls/gamg/agg.c

Implementations

PCGAMGMISkSetMinDegreeOrdering_AGG() in src/ksp/pc/impls/gamg/agg.c

---

Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages