2011-08-08 15:21:36 +02:00
|
|
|
%% -*- prolog -*-
|
|
|
|
|
%%=============================================================================
|
|
|
|
|
%% Copyright (C) 2011 by Denys Duchier
|
|
|
|
|
%%
|
|
|
|
|
%% This program is free software: you can redistribute it and/or modify it
|
|
|
|
|
%% under the terms of the GNU Lesser General Public License as published by the
|
|
|
|
|
%% Free Software Foundation, either version 3 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 Lesser General Public License
|
|
|
|
|
%% along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
|
%%=============================================================================
|
|
|
|
|
|
2011-09-02 14:23:35 +02:00
|
|
|
:- use_module(library(gecode)).
|
2011-08-08 15:21:36 +02:00
|
|
|
|
|
|
|
|
disjunctor2(X_,Y_) :-
|
|
|
|
|
Space := space,
|
|
|
|
|
[X,Y] := intvars(Space,2,0,3),
|
|
|
|
|
D := disjunctor(Space),
|
|
|
|
|
C1 := clause(D),
|
|
|
|
|
[X1,Y1] := intvars(C1,2,0,3),
|
|
|
|
|
C1 += forward([X,Y],[X1,Y1]),
|
|
|
|
|
C1 += rel(X1,'IRT_EQ',0),
|
|
|
|
|
C1 += rel(Y1,'IRT_EQ',0),
|
|
|
|
|
C2 := clause(D),
|
|
|
|
|
[X2,Y2] := intvars(C2,2,0,3),
|
|
|
|
|
C2 += forward([X,Y],[X2,Y2]),
|
|
|
|
|
Z2 := intvar(C2,1,2),
|
|
|
|
|
C2 += linear([-1,1,1],[X2,Y2,Z2],'IRT_EQ',0),
|
|
|
|
|
Space += branch([X,Y],'INT_VAR_SIZE_MIN','INT_VAL_MIN'),
|
|
|
|
|
SolSpace := search(Space),
|
|
|
|
|
[X_,Y_] := val(SolSpace,[X,Y]).
|
