petsc-3.3-p7 2013-05-11

PCASMGetLocalSubdomains

 Gets the local subdomains (for this processor only) for the additive Schwarz preconditioner.

Synopsis

#include "petscpc.h" 
PetscErrorCode  PCASMGetLocalSubdomains(PC pc,PetscInt *n,IS *is[],IS *is_local[])
Not Collective

Input Parameter

pc -the preconditioner context

Output Parameters

n - the number of subdomains for this processor (default value = 1)
is - the index sets that define the subdomains for this processor
is_local - the index sets that define the local part of the subdomains for this processor (can be PETSC_NULL)

Notes

The IS numbering is in the parallel, global numbering of the vector.

Keywords

PC, ASM, set, local, subdomains, additive Schwarz

See Also

PCASMSetTotalSubdomains(), PCASMSetOverlap(), PCASMGetSubKSP(),
PCASMCreateSubdomains2D(), PCASMSetLocalSubdomains(), PCASMGetLocalSubmatrices()

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