DMSetApplicationContext

Set a user context into a DM object

Synopsis

#include "petscdm.h"          
#include "petscdmlabel.h"     
#include "petscds.h"     
PetscErrorCode DMSetApplicationContext(DM dm, PetscCtx ctx)

Not Collective

Input Parameters

• dm - the DM object

• ctx - the user context

Note

A user context is a way to pass problem specific information that is accessible whenever the DM is available In a multilevel solver, the user context is shared by all the DM in the hierarchy; it is thus not advisable to store objects that represent discretized quantities inside the context.

Fortran Notes

This only works when the context is a Fortran derived type or a PetscObject. Declare ctx with

  type(tUsertype), pointer :: ctx

See Also

DM Basics, DM, DMGetApplicationContext(), DMView(), DMCreateGlobalVector(), DMCreateInterpolation(), DMCreateColoring(), DMCreateMatrix(), DMCreateMassMatrix()

Level

intermediate

Location

src/dm/interface/dm.c

Examples

src/ksp/ksp/tutorials/ex73.c
src/snes/tutorials/ex55.c
src/snes/tutorials/ex22.c
src/ksp/ksp/tutorials/ex66.c
src/snes/tutorials/ex19.c
src/ksp/ksp/tutorials/ex36.cxx
src/ksp/ksp/tutorials/ex35.cxx
src/snes/tutorials/ex13.c
src/ksp/ksp/tutorials/ex28.c
src/ksp/ksp/tutorials/ex50.c

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Index of all DM routines
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Index of all manual pages