DMCreateGlobalVector#

Creates a global vector from a DM object. A global vector is a parallel vector that has no duplicate values shared between MPI ranks, that is it has no ghost locations.

Synopsis#

#include "petscdm.h"          
#include "petscdmlabel.h"     
#include "petscds.h"     
PetscErrorCode DMCreateGlobalVector(DM dm, Vec *vec)

Collective on dm

Input Parameter#

  • dm - the DM object

Output Parameter#

  • vec - the global vector

See Also#

Vec, DMCreateLocalVector(), DMGetGlobalVector(), DMDestroy(), DMView(), DMCreateInterpolation(), DMCreateColoring(), DMCreateMatrix(), DMGlobalToLocalBegin(), DMGlobalToLocalEnd()

Level#

beginner

Location#

src/dm/interface/dm.c

Examples#

src/dm/impls/swarm/tutorials/ex1.c.html
src/dm/impls/swarm/tutorials/ex1f90.F90.html
src/dm/impls/stag/tutorials/ex1.c.html
src/dm/impls/stag/tutorials/ex2.c.html
src/dm/impls/stag/tutorials/ex3.c.html
src/dm/impls/stag/tutorials/ex4.c.html
src/dm/impls/stag/tutorials/ex6.c.html
src/dm/impls/stag/tutorials/ex8.c.html
src/dm/tutorials/ex10.c.html
src/dm/tutorials/ex15.c.html
src/dm/tutorials/ex1.c.html

Implementations#

DMCreateGlobalVector_Composite in src/dm/impls/composite/pack.c
DMCreateGlobalVector_DA in src/dm/impls/da/dadist.c
DMCreateGlobalVector_pforest in src/dm/impls/forest/p4est/pforest.h
DMCreateGlobalVector_Moab in src/dm/impls/moab/dmmbvec.cxx
DMCreateGlobalVector_Network in src/dm/impls/network/networkcreate.c
DMCreateGlobalVector_Patch in src/dm/impls/patch/patch.c
DMCreateGlobalVector_Plex in src/dm/impls/plex/plexcreate.c
DMCreateGlobalVector_Redundant in src/dm/impls/redundant/dmredundant.c
DMCreateGlobalVector_Shell in src/dm/impls/shell/dmshell.c
DMCreateGlobalVector_Sliced in src/dm/impls/sliced/sliced.c
DMCreateGlobalVector_Stag in src/dm/impls/stag/stag.c
DMCreateGlobalVector_Swarm in src/dm/impls/swarm/swarm.c
DMCreateGlobalVector_SNESVI in src/snes/impls/vi/rs/virs.c


Edit on GitLab

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