PCAIRGetSubcomm

Returns whether PCAIR performs reductions for arnoldi or newton polynomial inverses on a subcommunicator that excludes empty MPI ranks

Synopsis

PETSC_EXTERN PetscErrorCode PCAIRGetSubcomm(PC pc, PetscBool *input_bool)

Not Collective

Input Parameter

• pc - the PCAIR preconditioner context

Output Parameter

• input_bool - PETSC_TRUE if the reductions are performed on a subcommunicator excluding empty ranks

See Also

KSP: Linear System Solvers, PCAIR, PCAIRSetSubcomm(), PCAIRGetProcessorAgglom(), PCAIRGetInverseType()

Level

advanced

Index of all PC routines
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Index of all manual pages