petsc-3.6.1 2015-08-06
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DMSetMatrixPreallocateOnly

 When DMCreateMatrix() is called the matrix will be properly preallocated but the nonzero structure and zero values will not be set.

Synopsis

#include "petscdm.h"     
PetscErrorCode DMSetMatrixPreallocateOnly(DM dm, PetscBool only)
Logically Collective on DMDA

Input Parameter

dm - the DM
only - PETSC_TRUE if only want preallocation

See Also

DMCreateMatrix()

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