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 Level: advanced

Notes

All roots must have degree 1.

The local space may be a permutation, but cannot be sparse.

See Also

PetscSFSetGraph()

Location:sf.c