DMGetWorkArray#

Gets a work array guaranteed to be at least the input size, restore with DMRestoreWorkArray()

Synopsis#

#include "petscdm.h"          
#include "petscdmlabel.h"     
#include "petscds.h"     
PetscErrorCode DMGetWorkArray(DM dm, PetscInt count, MPI_Datatype dtype, void *mem)

Not Collective

Input Parameters#

Output Parameter#

  • mem - the work array

Note#

A DM may stash the array between instantiations so using this routine may be more efficient than calling PetscMalloc()

The array may contain nonzero values

See Also#

DM Basics, DM, DMDestroy(), DMCreate(), DMRestoreWorkArray(), PetscMalloc()

Level#

developer

Location#

src/dm/interface/dm.c


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