petscmaster 20201124
DMPlexGetCone
Return the points on the inedges for this point in the DAG
Synopsis
#include "petscdmplex.h"
PetscErrorCode DMPlexGetCone(DM dm, PetscInt p, const PetscInt *cone[])
Not collective
Input Parameters
 dm   The DMPlex

 p   The point, which must lie in the chart set with DMPlexSetChart()

Output Parameter
 cone   An array of points which are on the inedges for point p

Fortran Notes
Since it returns an array, this routine is only available in Fortran 90, and you must
include petsc.h90 in your code.
You must also call DMPlexRestoreCone() after you finish using the returned array.
DMPlexRestoreCone() is not needed/available in C.
See Also
DMPlexGetConeSize(), DMPlexSetCone(), DMPlexGetConeTuple(), DMPlexSetChart()
Level
beginner
Location
src/dm/impls/plex/plex.c
Examples
src/ts/tutorials/ex11.c.html
src/ts/tutorials/ex52.c.html
Index of all DMPLEX routines
Table of Contents for all manual pages
Index of all manual pages