PETSc version 3.17.5
PetscSFCreateInverseSF
given a PetscSF in which all vertices have degree 1, creates the inverse map
Synopsis
#include "petscsf.h"
PetscErrorCode PetscSFCreateInverseSF(PetscSF sf,PetscSF *isf)
Collective
Input Parameter
| sf | - star forest to invert
|
Output Parameter
Notes
All roots must have degree 1.
The local space may be a permutation, but cannot be sparse.
See Also
PetscSFSetGraph()
Level
advanced
Location
src/vec/is/sf/interface/sf.c
Examples
src/vec/is/sf/tutorials/ex1.c.html
Index of all PetscSF routines
Table of Contents for all manual pages
Index of all manual pages