1 (* Copyright (C) 2005, HELM Team.
3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
7 * HELM is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
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13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with HELM; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://cs.unibo.it/helm/.
26 exception MatchingFailure
28 (** matching between two terms. Can raise MatchingFailure *)
30 Cic.metasenv -> Cic.metasenv -> Cic.context ->
31 Cic.term -> Cic.term ->
32 CicUniv.universe_graph ->
33 Subst.substitution * Cic.metasenv * CicUniv.universe_graph
36 special unification that checks if the two terms are "simple", and in
37 such case should be significantly faster than CicUnification.fo_unif
40 Cic.metasenv -> Cic.metasenv -> Cic.context ->
41 Cic.term -> Cic.term ->
42 CicUniv.universe_graph ->
43 Subst.substitution * Cic.metasenv * CicUniv.universe_graph
45 val get_stats: unit -> string