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

• isf - inverse of sf

Notes

All roots must have degree 1.

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

See Also

PetscSF, PetscSFType, PetscSFSetGraph()

Level

advanced

Location

src/vec/is/sf/interface/sf.c

Examples

src/vec/is/sf/tutorials/ex1.c

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Index of all PetscSF routines
Table of Contents for all manual pages
Index of all manual pages