DMSetMatrixStructureOnly#
When DMCreateMatrix() is called, the matrix structure will be created but the array for numerical values will not be allocated.
Synopsis#
#include "petscdm.h"
#include "petscdmlabel.h"
#include "petscds.h"
PetscErrorCode DMSetMatrixStructureOnly(DM dm, PetscBool only)
Logically Collective
Input Parameters#
dm - the
DMonly -
PETSC_TRUEif you only want matrix structure
See Also#
DM Basics, DM, DMCreateMatrix(), DMSetMatrixPreallocateOnly(), DMSetMatrixPreallocateSkip()
Level#
developer
Location#
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages