#include "petscdmplex.h" PetscErrorCode DMPlexGetAnchors(DM dm, PetscSection *anchorSection, IS *anchorIS)not collective
| dm | - The DMPlex object |
| anchorSection | - If not NULL, set to the section describing which points anchor the constrained points. | |
| anchorIS | - If not NULL, set to the list of anchors indexed by anchorSection |