X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=components%2Ftactics%2Fparamodulation%2Futils.mli;fp=components%2Ftactics%2Fparamodulation%2Futils.mli;h=2f25415ac5ba528ecca3537e160d293c2af716bd;hp=0000000000000000000000000000000000000000;hb=f61af501fb4608cc4fb062a0864c774e677f0d76;hpb=58ae1809c352e71e7b5530dc41e2bfc834e1aef1 diff --git a/components/tactics/paramodulation/utils.mli b/components/tactics/paramodulation/utils.mli new file mode 100644 index 000000000..2f25415ac --- /dev/null +++ b/components/tactics/paramodulation/utils.mli @@ -0,0 +1,89 @@ +(* Copyright (C) 2005, HELM Team. + * + * This file is part of HELM, an Hypertextual, Electronic + * Library of Mathematics, developed at the Computer Science + * Department, University of Bologna, Italy. + * + * HELM 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. + * + * HELM 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 HELM; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, + * MA 02111-1307, USA. + * + * For details, see the HELM World-Wide-Web page, + * http://cs.unibo.it/helm/. + *) + +(* (weight of constants, [(meta, weight_of_meta)]) *) + +val time : bool +val debug : bool +val debug_metas: bool +val debug_res: bool + +type weight = int * (int * int) list;; + +type comparison = Lt | Le | Eq | Ge | Gt | Incomparable;; + +type environment = Cic.metasenv * Cic.context * CicUniv.universe_graph + +val print_metasenv: Cic.metasenv -> string + +val print_subst: ?prefix:string -> Cic.substitution -> string + +val string_of_weight: weight -> string + +val weight_of_term: + ?consider_metas:bool -> + ?count_metas_occurrences:bool-> Cic.term -> weight + +val normalize_weight: int -> weight -> weight + +val string_of_comparison: comparison -> string + +val compare_weights: ?normalize:bool -> weight -> weight -> comparison + +val nonrec_kbo: Cic.term -> Cic.term -> comparison + +val rpo: Cic.term -> Cic.term -> comparison + +val nonrec_kbo_w: (Cic.term * weight) -> (Cic.term * weight) -> comparison + +val names_of_context: Cic.context -> (Cic.name option) list + +module TermMap: Map.S with type key = Cic.term + +val symbols_of_term: Cic.term -> int TermMap.t +val set_goal_symbols: Cic.term -> unit + +val lpo: Cic.term -> Cic.term -> comparison + +val kbo: Cic.term -> Cic.term -> comparison + +val ao: Cic.term -> Cic.term -> comparison + +(** term-ordering function settable by the user *) +val compare_terms: (Cic.term -> Cic.term -> comparison) ref + +val guarded_simpl: ?debug:bool -> Cic.context -> Cic.term -> Cic.term + +type pos = Left | Right + +val string_of_pos: pos -> string + +val compute_equality_weight: Cic.term * Cic.term * Cic.term * comparison -> int + +val debug_print: string Lazy.t -> unit + +val metas_of_term: Cic.term -> int list + +val remove_local_context: Cic.term -> Cic.term