petsc-3.13.6 2020-09-29
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DMPlexDistributeOwnership

 Compute owner information for shared points. This basically gets two-sided for an SF.

Synopsis

#include "petscdmplex.h"   
#include "petscdmlabel.h"  
PetscErrorCode DMPlexDistributeOwnership(DM dm, PetscSection rootSection, IS *rootrank, PetscSection leafSection, IS *leafrank)
Collective on dm

Input Parameter

dm -The DM

Output Parameters

rootSection - The number of leaves for a given root point
rootrank - The rank of each edge into the root point
leafSection - The number of processes sharing a given leaf point
leafrank - The rank of each process sharing a leaf point

See Also

DMPlexCreateOverlapLabel(), DMPlexDistribute(), DMPlexDistributeOverlap()

Level

developer

Location

src/dm/impls/plex/plexdistribute.c
Index of all DMPLEX routines
Table of Contents for all manual pages
Index of all manual pages