petsc-3.6.2 2015-10-02
   
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 Arguments
sf  -star forest to invert
Output Arguments
isf  -inverse of sf
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
Index of all PetscSF routines
Table of Contents for all manual pages
Index of all manual pages
Examples
src/vec/is/sf/examples/tutorials/ex1.c.html