38 lines
1.4 KiB
Prolog
38 lines
1.4 KiB
Prolog
%% -*- prolog -*-
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%%=============================================================================
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%% Copyright (C) 2011 by Denys Duchier
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%%
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%% This program is free software: you can redistribute it and/or modify it
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%% under the terms of the GNU Lesser General Public License as published by the
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%% Free Software Foundation, either version 3 of the License, or (at your
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%% option) any later version.
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%%
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%% This program is distributed in the hope that it will be useful, but WITHOUT
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%% ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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%% FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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%% more details.
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%%
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%% You should have received a copy of the GNU Lesser General Public License
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%% along with this program. If not, see <http://www.gnu.org/licenses/>.
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%%=============================================================================
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:- use_module(library(gecode)).
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disjunctor1(X_,Y_) :-
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Space := space,
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[X,Y] := intvars(Space,2,0,3),
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D := disjunctor(Space),
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C1 := clause(D),
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[X1,Y1] := intvars(C1,2,0,3),
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C1 += rel(X1,'IRT_EQ',1),
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C1 += rel(Y1,'IRT_EQ',1),
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C1 += forward([X,Y],[X1,Y1]),
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C2 := clause(D),
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[X2,Y2] := intvars(C2,2,0,3),
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C2 += rel(X2,'IRT_EQ',2),
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C2 += rel(Y2,'IRT_EQ',2),
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C2 += forward([X,Y],[X2,Y2]),
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Space += branch([X,Y],'INT_VAR_SIZE_MIN','INT_VAL_MIN'),
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SolSpace := search(Space),
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[X_,Y_] := val(SolSpace,[X,Y]).
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