PCAIRSetADrop

Sets the relative drop tolerance applied to the coarse matrix by PCAIR on each level after it is built

Synopsis

PETSC_EXTERN PetscErrorCode PCAIRSetADrop(PC pc, PetscReal input_real)

Logically Collective

Input Parameters

• pc - the PCAIR preconditioner context

• input_real - the relative (inf norm) drop tolerance applied to the coarse matrix

Options Database Key

• -pc_air_a_drop input_real - drop tolerance for the coarse matrix; defaults to 1e-4

See Also

KSP: Linear System Solvers, PCAIR, PCAIRGetADrop(), PCAIRSetRDrop(), PCAIRSetALump()

Level

advanced

Index of all PC routines
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