petsc-3.14.6 2021-03-30

PCBDDCSetDofsSplitting

Set index sets defining fields of the global matrix

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

Collective

	pc	- the preconditioning context
	n_is	- number of index sets defining the fields
	ISForDofs	- array of IS describing the fields in global ordering

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

intermediate