PCBDDCGetNeumannBoundaries#
Gets the Neumann boundary degrees of freedom in global numbering
Synopsis#
#include "petscpc.h"
PetscErrorCode PCBDDCGetNeumannBoundaries(PC pc, IS *NeumannBoundaries)
Not Collective
Input Parameter#
pc - the preconditioning context
Output Parameter#
NeumannBoundaries - index set of Neumann boundary degrees of freedom in global numbering, or
NULLif not set
Notes#
The returned IS, if any, is the one supplied to PCBDDCSetNeumannBoundaries().
The returned IS is owned by pc; the caller must not destroy it.
See Also#
KSP: Linear System Solvers, PCBDDC, PCBDDCSetNeumannBoundaries(), PCBDDCGetNeumannBoundariesLocal()
Level#
intermediate
Location#
Implementations#
PCBDDCGetNeumannBoundaries_BDDC() in src/ksp/pc/impls/bddc/bddc.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages