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(* *)
(* FaCiLe *)
(* A Functional Constraint Library *)
(* *)
(* Nicolas Barnier, Pascal Brisset, LOG, CENA *)
(* *)
(* Copyright 2004 CENA. All rights reserved. This file is distributed *)
(* under the terms of the GNU Lesser General Public License. *)
(***********************************************************************)
(* $Id: fcl_alldiff.mli,v 1.16 2004/08/12 15:22:07 barnier Exp $ *)
(** the "All Different" Constraint *)
type algo = Lazy | Bin_matching of Fcl_var.Fd.event
val cstr : ?algo:algo -> Fcl_var.Fd.t array -> Fcl_cstr.t
(** [alldiff (?algo:Lazy) vars] States that the variables of [vars]
are different from each other. The optional argument [algo]
specifies the level of propagation.
[Lazy]: waits for instantiation and removes the corresponding value
from other domains.
[Bin_matching c]: waits for event [c] (e.g. [Var.Fd.on_refine])
and uses a bin matching algorithm to ensure the constraint is
consistent. [algo] default value is [Lazy].
Not reifiable. *)
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