petsc-3.7.7 2017-09-25
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Get the layout of the anchor (point-to-point) constraints. Typically, the user will not have to call DMPlexGetAnchors() directly: if there are anchors, then DMPlexGetAnchors() is called during DMGetConstraints().


#include "petscdmplex.h"   
PetscErrorCode DMPlexGetAnchors(DM dm, PetscSection *anchorSection, IS *anchorIS)
not collective

Input Parameters

dm -The DMPlex object

Output Parameters

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

See Also

DMPlexSetAnchors(), DMGetConstraints(), DMSetConstraints()

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