DMConvert#

Converts a DM to another DM, either of the same or different type.

Synopsis#

#include "petscdm.h"          
#include "petscdmlabel.h"     
#include "petscds.h"     
PetscErrorCode DMConvert(DM dm, DMType newtype, DM *M)

Collective

Input Parameters#

  • dm - the DM

  • newtype - new DM type (use “same” for the same type)

Output Parameter#

  • M - pointer to new DM

Note#

Cannot be used to convert a sequential DM to a parallel or a parallel to sequential, the MPI communicator of the generated DM is always the same as the communicator of the input DM.

See Also#

DM Basics, DM, DMSetType(), DMCreate(), DMClone()

Level#

intermediate

Location#

src/dm/interface/dm.c

Examples#

src/snes/tutorials/ex12.c
src/ts/tutorials/ex45.c
src/snes/tutorials/ex8.c
src/ts/tutorials/ex11.c
src/ts/tutorials/ex30.c
src/dm/impls/forest/tutorials/ex1.c
src/ts/tutorials/ex11_sa.c
src/ts/utils/dmplexlandau/tutorials/ex2.c
src/ts/tutorials/ex48.c
src/snes/tutorials/ex11.c

Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages