PETSc version 3.15.5
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
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
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Index of all manual pages