DASetMatPreallocateOnly

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

Synopsis

#include "petscda.h"     
#include "petscmat.h"    
PetscErrorCode PETSCDM_DLLEXPORT DASetMatPreallocateOnly(DA da,PetscTruth only)
Collective on DA

Input Parameter

da - the distributed array
only - PETSC_TRUE if only want preallocation

See Also

DAGetMatrix(), DASetGetMatrix(), DASetBlockSize(), DASetBlockFills()

Level:developer
Location:src/dm/da/utils/fdda.c
Index of all DA routines
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Index of all manual pages