petsc-3.7.1 2016-05-15
PCGASMSetUseDMSubdomains
Indicates whether to use DMCreateDomainDecomposition() to define the subdomains, whenever possible. Logically Collective
Synopsis
#include "petscpc.h"
PetscErrorCode PCGASMSetUseDMSubdomains(PC pc,PetscBool flg)
Input Parameter
| pc | - the preconditioner Many br |
| flg | - boolean indicating whether to use subdomains defined by the DM Many br |
Options Database Key
-pc_gasm_dm_subdomains -pc_gasm_overlap -pc_gasm_total_subdomains Many br
Many br
Notes
PCGASMSetSubdomains(), PCGASMSetTotalSubdomains() or PCGASMSetOverlap() take precedence over PCGASMSetUseDMSubdomains(), Many brso setting PCGASMSetSubdomains() with nontrivial subdomain ISs or any of PCGASMSetTotalSubdomains() and PCGASMSetOverlap() Many brautomatically turns the latter off. Many br
Keywords
PC, ASM, DM, set, subdomains, additive Schwarz
See Also
PCGASMGetUseDMSubdomains(), PCGASMSetSubdomains(), PCGASMSetOverlap()
PCGASMCreateSubdomains2D() Many br
Level:intermediate
Location:src/ksp/pc/impls/gasm/gasm.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages