petsc-3.9.4 2018-09-11
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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/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