PCAIRGetDDCFraction

Returns the fraction of local F points converted to C points by diagonal dominance in the PCAIR CF_PMISR_DDC CF splitting

Synopsis

PETSC_EXTERN PetscErrorCode PCAIRGetDDCFraction(PC pc, PetscReal *input_real)

Not Collective

Input Parameter

• pc - the PCAIR preconditioner context

Output Parameter

• input_real - the local fraction of F points converted to C points, or (if negative) minus the diagonal-dominance ratio threshold

See Also

KSP: Linear System Solvers, PCAIR, PCAIRSetDDCFraction(), PCAIRGetDDCIts(), PCAIRGetCFSplittingType(), CFSplittingType

Level

advanced

Index of all PC routines
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Index of all manual pages