petsc-3.13.6 2020-09-29
PCFieldSplitGetIS
Retrieves the elements for a field as an IS
Synopsis
#include "petscpc.h"
PetscErrorCode PCFieldSplitGetIS(PC pc,const char splitname[],IS *is)
Logically Collective on PC
Input Parameters
| pc | - the preconditioner context
|
| splitname | - name of this split
|
Output Parameter
is -the index set that defines the vector elements in this field, or NULL if the field is not found
See Also
PCFieldSplitGetSubKSP(), PCFIELDSPLIT, PCFieldSplitSetIS()
Level
intermediate
Location
src/ksp/pc/impls/fieldsplit/fieldsplit.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages