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.
12 * HELM is distributed in the hope that it will be useful,
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://helm.cs.unibo.it/
26 (* This module implements the Coercions transitive closure *)
28 val close_coercion_graph:
29 CoercDb.coerc_carr -> CoercDb.coerc_carr -> UriManager.uri -> int ->
30 string (* baseuri *) ->
31 (CoercDb.coerc_carr * CoercDb.coerc_carr * UriManager.uri *
32 int (* saturations *) * Cic.obj * int (* arity *)) list
34 exception UnableToCompose
36 val generate_composite:
37 Cic.term -> Cic.term (* t2 *) -> Cic.context ->
38 Cic.metasenv -> CicUniv.universe_graph ->
39 int -> int (* saturations of t1/t2 *) ->
40 Cic.term * Cic.metasenv * CicUniv.universe_graph