module Concrete:sig
..end
val supported : bool
module CPoint:sig
..end
module CPath:sig
..end
val float_of_num : Num.t -> float
val cpoint_of_point : Point.t -> CPoint.t
val cpath_of_path : Path.t -> CPath.t
val num_of_float : float -> Num.t
val point_of_cpoint : CPoint.t -> Point.t
val path_of_cpath : CPath.t -> Path.t