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  *  This file is part of Gecode, the generic constraint
00010  *  development environment:
00011  *     http://www.gecode.org
00012  *
00013  *  Permission is hereby granted, free of charge, to any person obtaining
00014  *  a copy of this software and associated documentation files (the
00015  *  "Software"), to deal in the Software without restriction, including
00016  *  without limitation the rights to use, copy, modify, merge, publish,
00017  *  distribute, sublicense, and/or sell copies of the Software, and to
00018  *  permit persons to whom the Software is furnished to do so, subject to
00019  *  the following conditions:
00020  *
00021  *  The above copyright notice and this permission notice shall be
00022  *  included in all copies or substantial portions of the Software.
00023  *
00024  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00025  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00026  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00027  *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
00028  *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
00029  *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00030  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00031  *
00032  */
00033 
00034 #ifndef __GECODE_INT_MEMBER_HH__
00035 #define __GECODE_INT_MEMBER_HH__
00036 
00037 #include <gecode/int.hh>
00038 #include <gecode/int/val-set.hh>
00039 
00045 namespace Gecode { namespace Int { namespace Member {
00046 
00053   template<class View>
00054   class Prop : public NaryOnePropagator<View,PC_INT_DOM> {
00055   protected:
00056     using NaryOnePropagator<View,PC_INT_DOM>::x;
00057     using NaryOnePropagator<View,PC_INT_DOM>::y;
00059     ValSet vs;
00061     static void add(Space& home, ValSet& vs, ViewArray<View>& x);
00063     void eliminate(Space& home);
00065     Prop(Home home, ValSet& vs, ViewArray<View>& x, View y);
00067     Prop(Space& home, Prop<View>& p);
00068   public:
00070     virtual PropCost cost(const Space&, const ModEventDelta& med) const;
00072     virtual Propagator* copy(Space& home);
00074     virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
00076     static ExecStatus post(Home home, ViewArray<View>& x, View y);
00078     static ExecStatus post(Home home, ValSet& vs, ViewArray<View>& x, View y);
00080     virtual size_t dispose(Space& home);
00081   };
00082 
00089   template<class View, ReifyMode rm>
00090   class ReProp : public Prop<View> {
00091   protected:
00092     using Prop<View>::x;
00093     using Prop<View>::y;
00094     using Prop<View>::vs;
00095     using Prop<View>::add;
00096     using Prop<View>::eliminate;
00098     BoolView b;
00100     ReProp(Home home, ValSet& vs, ViewArray<View>& x, View y, BoolView b);
00102     ReProp(Space& home, ReProp<View,rm>& p);
00103   public:
00105     virtual Propagator* copy(Space& home);
00107     virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
00109     static ExecStatus post(Home home, ViewArray<View>& x, View y, BoolView b);
00111     virtual size_t dispose(Space& home);
00112   };
00113 
00114 }}}
00115 
00116 #include <gecode/int/member/prop.hpp>
00117 #include <gecode/int/member/re-prop.hpp>
00118 
00119 #endif
00120 
00121 // STATISTICS: int-prop