DMPlexGetTreeParent#

get the parent of a point in the tree describing the point hierarchy (not the DAG)

Synopsis#

#include "petscdmplex.h"   
PetscErrorCode DMPlexGetTreeParent(DM dm, PetscInt point, PetscInt *parent, PetscInt *childID)

Input Parameters#

dm - the DMPLEX object
point - the query point

Output Parameters#

parent - if not NULL, set to the parent of the point, or the point itself if the point does not have a parent
childID - if not NULL, set to the child ID of the point with respect to its parent, or 0 if the point does not have a parent

See Also#

DMPlex: Unstructured Grids, DM, DMPLEX, DMPlexSetTree(), DMPlexGetTree(), DMPlexGetTreeChildren()

Level#

intermediate

Location#

src/dm/impls/plex/plextree.c

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