petsc-3.12.5 2020-03-29
DMGetLocalToGlobalMapping
Accesses the local-to-global mapping in a DM.
Synopsis
#include "petscdm.h"
#include "petscdmlabel.h"
#include "petscds.h"
PetscErrorCode DMGetLocalToGlobalMapping(DM dm,ISLocalToGlobalMapping *ltog)
Collective on dm
Input Parameter
dm -the DM that provides the mapping
Output Parameter
ltog -the mapping
Notes
This mapping can then be used by VecSetLocalToGlobalMapping() or
MatSetLocalToGlobalMapping().
See Also
DMCreateLocalVector()
Level
intermediate
Location
src/dm/interface/dm.c
Examples
src/ksp/ksp/examples/tutorials/ex43.c.html
src/ksp/ksp/examples/tutorials/ex49.c.html
src/ksp/ksp/examples/tutorials/ex70.c.html
src/ksp/ksp/examples/tutorials/ex71.c.html
src/ksp/ksp/examples/tutorials/ex14f.F90.html
src/snes/examples/tutorials/ex48.c.html
src/snes/examples/tutorials/ex5f90t.F90.html
src/tao/bound/examples/tutorials/plate2.c.html
src/tao/bound/examples/tutorials/plate2f.F90.html
Implementations
DMGetLocalToGlobalMapping_Composite in src/dm/impls/composite/pack.c
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages