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(***********************************************************************)
(* *)
(* Objective Caml *)
(* *)
(* Franois Pessaux, projet Cristal, INRIA Rocquencourt *)
(* Pierre Weis, projet Cristal, INRIA Rocquencourt *)
(* Jun Furuse, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1999-2004, *)
(* Institut National de Recherche en Informatique et en Automatique. *)
(* Distributed only by permission. *)
(* *)
(***********************************************************************)
(* $Id: region.mli,v 1.7 2004/09/07 07:31:02 weis Exp $ *)
val check : int -> int -> int -> int -> unit;;
(** [check width height x y] checks whether the point (x,y) is in the
region of (0, 0) - ([width] - 1, [height] - 1).
If not, it raises [Images.Out_of_image]. *)
val error : (unit -> unit) ref;;
(* just for system use *)
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