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circuit.hh

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00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
00002 /*
00003  *  Main authors:
00004  *     Christian Schulte <schulte@gecode.org>
00005  *
00006  *  Copyright:
00007  *     Christian Schulte, 2006
00008  *
00009  *  Last modified:
00010  *     $Date: 2009-10-12 17:36:53 +0200 (Mon, 12 Oct 2009) $ by $Author: schulte $
00011  *     $Revision: 9878 $
00012  *
00013  *  This file is part of Gecode, the generic constraint
00014  *  development environment:
00015  *     http://www.gecode.org
00016  *
00017  *  Permission is hereby granted, free of charge, to any person obtaining
00018  *  a copy of this software and associated documentation files (the
00019  *  "Software"), to deal in the Software without restriction, including
00020  *  without limitation the rights to use, copy, modify, merge, publish,
00021  *  distribute, sublicense, and/or sell copies of the Software, and to
00022  *  permit persons to whom the Software is furnished to do so, subject to
00023  *  the following conditions:
00024  *
00025  *  The above copyright notice and this permission notice shall be
00026  *  included in all copies or substantial portions of the Software.
00027  *
00028  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00029  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00030  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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00035  *
00036  */
00037 
00038 #ifndef __GECODE_GRAPH_CIRCUIT_HH__
00039 #define __GECODE_GRAPH_CIRCUIT_HH__
00040 
00041 #include <gecode/graph.hh>
00042 #include <gecode/int/distinct.hh>
00043 
00049 namespace Gecode { namespace Graph { namespace Circuit {
00050 
00058   template<class View>
00059   class Base : public NaryPropagator<View,Int::PC_INT_DOM> {
00060   protected:
00061     using NaryPropagator<View,Int::PC_INT_DOM>::x;
00063     ViewArray<View> y;
00065     Base(Space& home, bool share, Base& p);
00067     Base(Home home, ViewArray<View>& x);
00069     ExecStatus connected(Space& home);
00071     ExecStatus path(Space& home);
00072   public:
00074     virtual size_t dispose(Space& home);
00075   };
00076 
00087   template<class View>
00088   class Val : public Base<View> {
00089   protected:
00090     using Base<View>::x;
00091     using Base<View>::y;
00092     using Base<View>::connected;
00093     using Base<View>::path;
00095     Val(Space& home, bool share, Val& p);
00097     Val(Home home, ViewArray<View>& x);
00098   public:
00100     virtual Actor* copy(Space& home, bool share);
00102     virtual PropCost cost(const Space& home, const ModEventDelta& med) const;
00104     virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
00106     static  ExecStatus post(Home home, ViewArray<View>& x);
00107   };
00108 
00119   template<class View>
00120   class Dom : public Base<View> {
00121   protected:
00122     using Base<View>::x;
00123     using Base<View>::y;
00124     using Base<View>::connected;
00125     using Base<View>::path;
00127     Int::Distinct::DomCtrl<View> dc;
00129     Dom(Space& home, bool share, Dom& p);
00131     Dom(Home home, ViewArray<View>& x);
00132   public:
00134     virtual Actor* copy(Space& home, bool share);
00141     virtual PropCost cost(const Space& home, const ModEventDelta& med) const;
00143     virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
00145     static  ExecStatus post(Home home, ViewArray<View>& x);
00146   };
00147 
00148 }}}
00149 
00150 #include <gecode/graph/circuit/base.hpp>
00151 #include <gecode/graph/circuit/val.hpp>
00152 #include <gecode/graph/circuit/dom.hpp>
00153 
00154 #endif
00155 
00156 // STATISTICS: graph-prop