petsc-3.9.4 2018-09-11
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DMGlobalToLocalBegin

 Begins updating local vectors from global vector

Synopsis

#include "petscdm.h"          
#include "petscdmlabel.h"     
#include "petscds.h"     
PetscErrorCode  DMGlobalToLocalBegin(DM dm,Vec g,InsertMode mode,Vec l)
Neighbor-wise Collective on DM

Input Parameters

dm - the DM object
g - the global vector
mode - INSERT_VALUES or ADD_VALUES
l - the local vector

See Also

DMCoarsen(), DMDestroy(), DMView(), DMCreateGlobalVector(), DMCreateInterpolation(), DMGlobalToLocalEnd(), DMLocalToGlobalBegin()

Level

beginner

Location

src/dm/interface/dm.c

Examples

src/dm/examples/tutorials/ex1.c.html
src/dm/examples/tutorials/ex3.c.html
src/dm/examples/tutorials/ex5.c.html
src/dm/examples/tutorials/ex6.c.html
src/dm/examples/tutorials/ex7.c.html
src/dm/examples/tutorials/ex9.c.html
src/ksp/ksp/examples/tutorials/ex42.c.html
src/ksp/ksp/examples/tutorials/ex43.c.html
src/ksp/ksp/examples/tutorials/ex49.c.html
src/ksp/ksp/examples/tutorials/ex70.c.html
src/ksp/ksp/examples/tutorials/ex14f.F90.html

Implementations

DMGlobalToLocalBegin_Composite in src/dm/impls/composite/pack.c
DMGlobalToLocalBegin_DA in src/dm/impls/da/dagtol.c
DMGlobalToLocalBegin_Moab in src/dm/impls/moab/dmmbvec.cxx
DMGlobalToLocalBegin_Network in src/dm/impls/network/network.c
DMGlobalToLocalBegin_Redundant in src/dm/impls/redundant/dmredundant.c
DMGlobalToLocalBegin_Sliced in src/dm/impls/sliced/sliced.c

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