petsc-master 2018-04-22
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DMCompositeGather

Gathers into a global packed vector from its individual local vectors

Synopsis

#include "petscdmcomposite.h"  
PetscErrorCode  DMCompositeGather(DM dm,InsertMode imode,Vec gvec,...)
Collective on DMComposite

Input Parameter

dm - the packer object
gvec - the global vector
imode - INSERT_VALUES or ADD_VALUES
Vec ... - the individual sequential vectors, NULL for any that are not needed

Not available from Fortran, Fortran users can use DMCompositeGatherArray()

See Also

DMDestroy(), DMCompositeAddDM(), DMCreateGlobalVector(),
DMCompositeScatter(), DMCompositeCreate(), DMCompositeGetISLocalToGlobalMappings(), DMCompositeGetAccess(), DMCompositeGetLocalVectors(), DMCompositeRestoreLocalVectors(), DMCompositeGetEntries()

Level

advanced

Location

src/dm/impls/composite/pack.c

Examples

src/snes/examples/tutorials/ex21.c.html

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