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
Input Parameter#
dm - the
DMobject
Output Parameter#
vec - the global vector
See Also#
DM Basics, DM, Vec, DMCreateLocalVector(), DMGetGlobalVector(), DMDestroy(), DMView(), DMCreateInterpolation(), DMCreateColoring(), DMCreateMatrix(),
DMGlobalToLocalBegin(), DMGlobalToLocalEnd()
Level#
beginner
Location#
Examples#
src/dm/dt/dualspace/impls/lagrange/tutorials/ex2.c
src/dm/impls/stag/tutorials/ex1.c
src/dm/impls/stag/tutorials/ex2.c
src/dm/impls/stag/tutorials/ex3.c
src/dm/impls/stag/tutorials/ex4.c
src/dm/impls/stag/tutorials/ex6.c
src/dm/impls/stag/tutorials/ex8.c
src/dm/impls/swarm/tutorials/ex1.c
src/dm/impls/swarm/tutorials/ex1f90.F90
src/dm/tutorials/ex1.c
src/dm/tutorials/ex10.c
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
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages