petsc-3.11.4 2019-09-28

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DMSetMatrixStructureOnly

When DMCreateMatrix() is called, the matrix structure will be created but the array for values will not be allocated.

Synopsis

#include "petscdm.h"          
#include "petscdmlabel.h"     
#include "petscds.h"     
PetscErrorCode DMSetMatrixStructureOnly(DM dm, PetscBool only)

Logically Collective on DM

Input Parameter

	dm	- the DM
	only	- PETSC_TRUE if only want matrix stucture

See Also

DMCreateMatrix(), DMSetMatrixPreallocateOnly()

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