#include "petscpc.h" #include "petscdmcomposite.h" PetscErrorCode PCFieldSplitSetIS(PC pc,const char splitname[],IS is)Logically Collective on PC
pc | - the preconditioner context | |
splitname | - name of this split, if PETSC_NULL the number of the split is used | |
is | - the index set that defines the vector elements in this field |
This function is called once per split (it creates a new split each time). Solve options for this split will be available under the prefix -fieldsplit_SPLITNAME_.
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