#include "petscviewer.h" PetscErrorCode PetscViewerGetSubcomm(PetscViewer viewer,MPI_Comm subcomm,PetscViewer *outviewer)Collective on PetscViewer
|viewer||- the PetscViewer to be duplicated|
|subcomm||- MPI communicator|
Notes: Call PetscViewerRestoreSubcomm() to return this PetscViewer, NOT PetscViewerDestroy()
This is used to view a sequential or a parallel object that is part of a larger parallel object. For example redundant PC view could use this to obtain a PetscViewer that is used within a subcommunicator on one duplicated preconditioner.
Index of all Viewer routines
Table of Contents for all manual pages
Index of all manual pages