PCAIRSetCoarsestInverseSparsityOrder#

Sets the power of the operator matrix used as the sparsity pattern of the assembled PCAIR coarse-grid inverse

Synopsis#

PETSC_EXTERN PetscErrorCode PCAIRSetCoarsestInverseSparsityOrder(PC pc, PetscInt input_int)

Logically Collective

Input Parameters#

pc - the PCAIR preconditioner context
input_int - the power of the operator matrix used as the sparsity of the assembled coarse-grid inverse

Options Database Key#

-pc_air_coarsest_inverse_sparsity_order sparsity_order - the power of the operator matrix used as the sparsity of the assembled coarse-grid inverse; defaults to 1

See Also#

KSP: Linear System Solvers, PCAIR, PCAIRGetCoarsestInverseSparsityOrder(), PCAIRSetInverseSparsityOrder(), PCAIRSetCoarsestInverseType()

Level#

advanced

Index of all PC routines
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