PCBDDCSetDofsSplitting#

Set index sets 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#

PCBDDC, PCBDDCSetDofsSplittingLocal()

Level#

intermediate

Location#

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

Examples#

src/ksp/ksp/tutorials/ex59.c.html

Implementations#

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


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