PCBGSSetSymmetric

Sets the BGS preconditioner to use symmetric, backward, or forward relaxation. By default, forward relaxation is used.

Synopsis

int PCBGSSetSymmetric(PC pc, PCBGSType flag)
Collective on PC

Input Parameters

pc - the preconditioner context
flag - either PCBGS_FORWARD_SWEEP or PCBGS_SYMMETRIC_SWEEP

Options Database Keys

-pc_gs_symmetric -Activates PCBGSSetSymmetric()

Keywords

PC, BGS, Gauss-Seidel, set, relaxation, sweep, forward, symmetric

See Also

PCBGSSetTotalBlocks() PCBGSSetUseTrueLocal()

Location: src/pc/impls/bjacobi/bjacobi.c
PC Index
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