petsc-3.5.1 2014-07-24
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PCGASMSetDMSubdomains

Indicates whether to use DMCreateDomainDecomposition() to define the subdomains, whenever possible. Logically Collective

Synopsis

#include "petscpc.h" 
PetscErrorCode  PCGASMSetDMSubdomains(PC pc,PetscBool flg)

Input Parameter

pc - the preconditioner
flg - boolean indicating whether to use subdomains defined by the DM

Options Database Key

-pc_gasm_dm_subdomains -

Notes

PCGASMSetTotalSubdomains() and PCGASMSetOverlap() take precedence over PCGASMSetDMSubdomains(), so setting either of the first two effectively turns the latter off.

Keywords

PC, ASM, DM, set, subdomains, additive Schwarz

See Also

PCGASMGetDMSubdomains(), PCGASMSetTotalSubdomains(), PCGASMSetOverlap()
PCGASMCreateSubdomains2D()

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