PETSc version 3.15.5
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PCBDDCGetNeumannBoundariesLocal

Get parallel IS for Neumann boundaries (in local ordering)

Synopsis

#include "petscpc.h" 
PetscErrorCode PCBDDCGetNeumannBoundariesLocal(PC pc,IS *NeumannBoundaries)
Collective

Input Parameters

pc - the preconditioning context

Output Parameters

NeumannBoundaries - index set defining the subdomain part of Neumann boundaries

Notes

The IS returned could be the same passed in earlier by the user (if provided with PCBDDCSetNeumannBoundariesLocal) or a global-to-local map of the global IS (if provided with PCBDDCSetNeumannBoundaries). In the latter case, the IS will be available after PCSetUp.

See Also

PCBDDC

Level

intermediate

Location

src/ksp/pc/impls/bddc/bddc.c

Implementations

PCBDDCGetNeumannBoundariesLocal_BDDC in src/ksp/pc/impls/bddc/bddc.c

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