PCBDDCSetDofsSplitting

Set the IS defining fields of the global matrix

Synopsis

#include "petscpc.h" 
PetscErrorCode PCBDDCSetDofsSplitting(PC pc, PetscInt n_is, IS ISForDofs[])

Collective

Input Parameters

• pc - the preconditioning context

• n_is - number of index sets defining the fields

• ISForDofs - array of IS describing the fields in global ordering

Note

Any process can list any global node. Not all nodes need to be listed: unlisted nodes will belong to the complement field.

See Also

KSP: Linear System Solvers, PCBDDC, PCBDDCSetDofsSplittingLocal()

Level

intermediate

Location

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

Examples

src/ksp/ksp/tutorials/ex59.c

Implementations

PCBDDCSetDofsSplitting_BDDC() in src/ksp/pc/impls/bddc/bddc.c

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