PCAIRSetCFSplittingType

Sets the coarse/fine (CF) splitting algorithm used by PCAIR

Synopsis

PETSC_EXTERN PetscErrorCode PCAIRSetCFSplittingType(PC pc, CFSplittingType cf_splitting_type)

Logically Collective

Input Parameters

• pc - the PCAIR preconditioner context

• cf_splitting_type - the CF splitting algorithm, one of CF_PMISR_DDC, CF_DIAG_DOM, CF_PMIS, CF_PMIS_DIST2, CF_AGG, or CF_PMIS_AGG

Options Database Key

• -pc_air_cf_splitting_type (pmisr_ddc|diag_dom|pmis|pmis_dist2|agg|pmis_agg) - the CF splitting algorithm; defaults to pmisr_ddc

See Also

KSP: Linear System Solvers, PCAIR, PCAIRGetCFSplittingType(), CFSplittingType, PCAIRSetStrongThreshold(), PCAIRSetMaxLubySteps()

Level

intermediate

Index of all PC routines
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