(*  File: model_types.mli

    AIFAD - Automated Induction of Functions over Algebraic Datatypes

    Author: Markus Mottl
    email:  markus.mottl@gmail.com
    WWW:    http://www.ocaml.info

    Copyright (C) 2002  Austrian Research Institute for Artificial Intelligence
    Copyright (C) 2003- Markus Mottl

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*)

(* $Id: model_types.mli,v 1.56 2006/01/17 00:23:38 mottl Exp $ *)

open Algdt_types

type var_mod =
  | VarStrct of cnstr * var_mods
  | VarFree of fdsum
  | Var
and var_mods = var_mod array

type model =
  | Val of fdsums
  | Let of match_mod * var_mods
  | MatchMod of match_mod
and models = model array

and match_mod =
  | Shave of var_ix * cnstr * model * model
  | Split of var_ix * models
  | PSplit of var_ix * model option array * model