103   DM dmCell; /* A DM with piecewise constant discretization */  member
1126   options->dmCell       = NULL;  in ProcessOptions()
1438   PetscCall(DMDestroy(&user->dmCell));  in CreateCellDM()
1439   PetscCall(DMClone(dm, &user->dmCell));  in CreateCellDM()
1440   PetscCall(DMSetField(user->dmCell, 0, NULL, (PetscObject)fediv));  in CreateCellDM()
1441   PetscCall(DMCreateDS(user->dmCell));  in CreateCellDM()
1446 static PetscErrorCode GetCellDM(DM dm, AppCtx *user, DM *dmCell)  in GetCellDM()  argument
1452   if (user->dmCell) PetscCall(DMPlexGetSimplexOrBoxCells(user->dmCell, 0, &cellStart, &cellEnd));  in GetCellDM()
1454   *dmCell = user->dmCell;  in GetCellDM()
1584   DM            dm, dmCell = NULL;  in MonitorError()  local
1596   PetscCall(GetCellDM(dm, (AppCtx *)ctx, &dmCell));  in MonitorError()
1597   PetscCall(DMGetGlobalVector(dmCell, &divu));  in MonitorError()
1598   PetscCall(DMProjectField(dmCell, crtime, u, diagnostics, INSERT_VALUES, divu));  in MonitorError()
1612   PetscCall(DMRestoreGlobalVector(dmCell, &divu));  in MonitorError()
1659   PetscCall(DMDestroy(&user.dmCell));  in main()