petsc-3.3-p7 2013-05-11

PetscLayoutReference

 Causes a PETSc Vec or Mat to share a PetscLayout with one that already exists. Used by Vec/MatDuplicate_XXX()

Synopsis

#include "petscvec.h"   
PetscErrorCode  PetscLayoutReference(PetscLayout in,PetscLayout *out)
Collective on PetscLayout

Input Parameter

in -input PetscLayout to be copied

Output Parameter

out -the reference location

Notes: PetscLayoutSetUp() does not need to be called on the resulting PetscLayout

If the out location already contains a PetscLayout it is destroyed

See Also

PetscLayoutCreate(), PetscLayoutDestroy(), PetscLayoutSetUp(), PetscLayoutDuplicate()

Level:developer
Location:src/vec/vec/impls/mpi/pmap.c
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages