member.hh

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, 2011
00008  *
00009  *  Last modified:
00010  *     $Date: 2011-08-22 16:02:09 +0200 (Mon, 22 Aug 2011) $ by $Author: schulte $
00011  *     $Revision: 12330 $
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
00031  *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
00032  *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
00033  *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00034  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00035  *
00036  */
00037 
00038 #ifndef __GECODE_INT_MEMBER_HH__
00039 #define __GECODE_INT_MEMBER_HH__
00040 
00041 #include <gecode/int.hh>
00042 #include <gecode/int/val-set.hh>
00043 
00049 namespace Gecode { namespace Int { namespace Member {
00050 
00057   template<class View>
00058   class Prop : public NaryOnePropagator<View,PC_INT_DOM> {
00059   protected:
00060     using NaryOnePropagator<View,PC_INT_DOM>::x;
00061     using NaryOnePropagator<View,PC_INT_DOM>::y;
00063     ValSet vs;
00065     static void add(Space& home, ValSet& vs, ViewArray<View>& x);
00067     void eliminate(Space& home);
00069     Prop(Home home, ValSet& vs, ViewArray<View>& x, View y);
00071     Prop(Space& home, bool share, Prop<View>& p);
00072   public:
00074     virtual PropCost cost(const Space&, const ModEventDelta& med) const;
00076     virtual Propagator* copy(Space& home, bool share);
00078     virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
00080     static ExecStatus post(Home home, ViewArray<View>& x, View y);
00082     static ExecStatus post(Home home, ValSet& vs, ViewArray<View>& x, View y);
00084     virtual size_t dispose(Space& home);
00085   };
00086 
00093   template<class View>
00094   class ReProp : public Prop<View> {
00095   protected:
00096     using Prop<View>::x;
00097     using Prop<View>::y;
00098     using Prop<View>::vs;
00099     using Prop<View>::add;
00100     using Prop<View>::eliminate;
00102     BoolView b;
00104     ReProp(Home home, ValSet& vs, ViewArray<View>& x, View y, BoolView b);
00106     ReProp(Space& home, bool share, ReProp<View>& p);
00107   public:
00109     virtual Propagator* copy(Space& home, bool share);
00111     virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
00113     static ExecStatus post(Home home, ViewArray<View>& x, View y, BoolView b);
00115     virtual size_t dispose(Space& home);
00116   };
00117 
00118 }}}
00119 
00120 #include <gecode/int/member/prop.hpp>
00121 #include <gecode/int/member/re-prop.hpp>
00122 
00123 #endif
00124 
00125 // STATISTICS: int-prop