MatGetDM#

Gets the DM defining the data layout of the matrix

Synopsis#

#include "petscdm.h"          
#include "petscdmlabel.h"     
#include "petscds.h"     
PetscErrorCode MatGetDM(Mat A, DM *dm)

Not Collective

Input Parameter#

Output Parameter#

  • dm - The DM

Note#

A matrix may not have a DM associated with it

Developer Notes#

Since the Mat class doesn’t know about the DM class the DM object is associated with the Mat through a PetscObjectCompose() operation

See Also#

DM Basics, DM, MatSetDM(), DMCreateMatrix(), DMSetMatType()

Level#

intermediate

Location#

src/dm/interface/dm.c

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