136 lines
3.6 KiB
Prolog
136 lines
3.6 KiB
Prolog
/*
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Part of CLP(Q) (Constraint Logic Programming over Rationals)
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Author: Leslie De Koninck
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E-mail: Leslie.DeKoninck@cs.kuleuven.be
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WWW: http://www.swi-prolog.org
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http://www.ai.univie.ac.at/cgi-bin/tr-online?number+95-09
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Copyright (C): 2006, K.U. Leuven and
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1992-1995, Austrian Research Institute for
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Artificial Intelligence (OFAI),
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Vienna, Austria
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This software is based on CLP(Q,R) by Christian Holzbaur for SICStus
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Prolog and distributed under the license details below with permission from
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all mentioned authors.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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As a special exception, if you link this library with other files,
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compiled with a Free Software compiler, to produce an executable, this
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library does not by itself cause the resulting executable to be covered
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by the GNU General Public License. This exception does not however
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invalidate any other reasons why the executable file might be covered by
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the GNU General Public License.
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*/
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:- module(clpq,
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[
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{}/1,
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maximize/1,
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minimize/1,
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inf/2, inf/4, sup/2, sup/4,
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bb_inf/3,
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bb_inf/4,
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ordering/1,
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entailed/1,
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clp_type/2,
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dump/3%, projecting_assert/1
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]).
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:- expects_dialect(swi).
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%
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% Don't report export of private predicates from clpq
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%
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:- multifile
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user:portray_message/2.
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:- dynamic
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user:portray_message/2.
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%
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user:portray_message(warning,import(_,_,clpq,private)).
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:- load_files(
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[
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'clpq/bb_q',
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'clpq/bv_q',
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'clpq/fourmotz_q',
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'clpq/ineq_q',
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'clpq/itf_q',
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'clpq/nf_q',
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'clpq/store_q',
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'clpqr/class',
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'clpqr/dump',
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'clpqr/geler',
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'clpqr/itf',
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'clpqr/ordering',
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'clpqr/project',
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'clpqr/redund',
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library(ugraphs)
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],
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[
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if(not_loaded),
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silent(true)
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]).
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/*******************************
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* TOPLEVEL PRINTING *
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*******************************/
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:- multifile
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prolog:message/3.
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% prolog:message(query(YesNo)) --> !,
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% ['~@'-[chr:print_all_stores]],
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% '$messages':prolog_message(query(YesNo)).
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prolog:message(query(YesNo,Bindings)) --> !,
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{dump_toplevel_bindings(Bindings,Constraints)},
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{dump_format(Constraints,Format)},
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Format,
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'$messages':prolog_message(query(YesNo,Bindings)).
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dump_toplevel_bindings(Bindings,Constraints) :-
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dump_vars_names(Bindings,[],Vars,Names),
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dump(Vars,Names,Constraints).
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dump_vars_names([],_,[],[]).
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dump_vars_names([Name=Term|Rest],Seen,Vars,Names) :-
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( var(Term),
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( get_attr(Term,itf,_)
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; get_attr(Term,geler,_)
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),
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\+ memberchk_eq(Term,Seen)
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-> Vars = [Term|RVars],
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Names = [Name|RNames],
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NSeen = [Term|Seen]
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; Vars = RVars,
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Names = RNames,
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Seen = NSeen
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),
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dump_vars_names(Rest,NSeen,RVars,RNames).
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dump_format([],[]).
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dump_format([X|Xs],['{~w}'-[X],nl|Rest]) :-
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dump_format(Xs,Rest).
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memberchk_eq(X,[Y|Ys]) :-
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( X == Y
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-> true
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; memberchk_eq(X,Ys)
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).
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