PCPFLAREINVSetSparsityOrder#

Sets the sparsity order used when PCPFLAREINV assembles its approximate inverse

Synopsis#

PetscErrorCode PCPFLAREINVSetSparsityOrder(PC pc, PetscInt inverse_sparsity_order)

Logically Collective

Input Parameters#

pc - the PCPFLAREINV preconditioner context
inverse_sparsity_order - the power of the input matrix used as the sparsity pattern of the assembled inverse

Options Database Key#

-pc_pflareinv_sparsity_order inverse_sparsity_order - power of the input matrix used as the sparsity pattern in assembled inverses; defaults to 1

See Also#

KSP: Linear System Solvers, PCPFLAREINV, PCPFLAREINVGetSparsityOrder(), PCPFLAREINVSetMatrixFree()

Level#

advanced

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