petsc-3.4.4 2014-03-13

PCBDDCSetLocalAdjacencyGraph

Set CSR graph of local matrix for use of PCBDDC.

Synopsis

#include "petscpc.h" 
PetscErrorCode PCBDDCSetLocalAdjacencyGraph(PC pc,PetscInt nvtxs,const PetscInt xadj[],const PetscInt adjncy[], PetscCopyMode copymode)
Not collective

Input Parameters

pc - the preconditioning context
nvtxs - number of local vertices of the graph
xadj, adjncy -the CSR graph
copymode -either PETSC_COPY_VALUES or PETSC_OWN_POINTER. In the former case the user must free the array passed in; in the latter case, memory must be obtained with PetscMalloc.

Notes

See Also

PCBDDC

Level:intermediate
Location:
src/ksp/pc/impls/bddc/bddc.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages