petsc-3.13.6 2020-09-29
Report Typos and Errors

DMCompositeScatter

Scatters from a global packed vector into its individual local vectors

Synopsis

#include "petscdmcomposite.h"  
PetscErrorCode  DMCompositeScatter(DM dm,Vec gvec,...)
Collective on dm

Input Parameters

dm - the packer object
gvec - the global vector
Vec ... - the individual sequential vectors, NULL for those that are not needed

Notes

DMCompositeScatterArray() is a non-variadic alternative that is often more convenient for library callers and is accessible from Fortran.

See Also

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

Level

advanced

Location

src/dm/impls/composite/pack.c

Examples

src/snes/tutorials/ex21.c.html
src/snes/tutorials/ex22.c.html
src/snes/tutorials/ex28.c.html
src/ts/tutorials/ex14.c.html

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