petsc-3.9.4 2018-09-11
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PetscLayoutReference

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

Synopsis

#include "petscis.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/is/utils/pmap.c
Index of all IS routines
Table of Contents for all manual pages
Index of all manual pages