petsc-3.8.4 2018-03-24
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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