PCASMWeightedComputeScalingFn

Computes the weights for one overlapping ASM subdomain.

Synopsis

PETSC_EXTERN_TYPEDEF typedef PetscErrorCode PCASMWeightedComputeScalingFn(PC pc, PetscInt local, Vec scaling, PetscCtx ctx);

Calling Sequence

• pc - the PCASM preconditioner of PCASMType PC_ASM_WEIGHTED

• local - zero-based local subdomain number

• scaling - vector to fill, in the ordering returned by PCASMGetLocalSubdomains()

• ctx - context supplied to PCASMWeightedSetComputeScaling()

Note

Fill every entry of scaling without destroying it. The number of local subdomains may differ between processes, so the callback must not perform collective operations on the communicator of pc.

See Also

KSP: Linear System Solvers, PCASM, PCASMWeightedSetComputeScaling(), PCASMWeightedSetScaling()

Level

intermediate

Location

include/petscpc.h

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