167 …teViewers_Single(MPI_Comm comm, const char value[], PetscViewer *viewer, PetscViewerFormat *format)  in PetscOptionsCreateViewers_Single()  argument
177     if (format) *format = PETSC_VIEWER_DEFAULT;  in PetscOptionsCreateViewers_Single()
298     if (format) *format = tfmt;  in PetscOptionsCreateViewers_Single()
300   } else if (viewer && (cnt == 6) && format) { /* Get format from VTK viewer */  in PetscOptionsCreateViewers_Single()
301     PetscCall(PetscViewerGetFormat(*viewer, format));  in PetscOptionsCreateViewers_Single()
307 … char name[], PetscInt *n_max_p, PetscViewer viewer[], PetscViewerFormat format[], PetscBool *set,…  in PetscOptionsCreateViewers_Internal()  argument
346       if (format) *format = PETSC_VIEWER_DEFAULT;  in PetscOptionsCreateViewers_Internal()
377         this_viewer_format = PetscSafePointerPlusOffset(format, n);  in PetscOptionsCreateViewers_Internal()
444 …onst char pre[], const char name[], PetscViewer *viewer, PetscViewerFormat *format, PetscBool *set)  in PetscOptionsCreateViewer()  argument
451   if (format) *format = PETSC_VIEWER_DEFAULT;  in PetscOptionsCreateViewer()
452 …PetscCall(PetscOptionsCreateViewers_Internal(comm, options, pre, name, &n_max, viewer, format, &se…  in PetscOptionsCreateViewer()