interface Zoltan_Set_Geom_Fn
   module procedure Zf90_Set_Geom_Fn0s
   module procedure Zf90_Set_Geom_Fn1s
   module procedure Zf90_Set_Geom_Fn2s
   module procedure Zf90_Set_Geom_Fn3s
   module procedure Zf90_Set_Geom_Fn4s
   module procedure Zf90_Set_Geom_Fn5s
   module procedure Zf90_Set_Geom_Fn6s
   module procedure Zf90_Set_Geom_Fn7s
end interface