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precede.hh
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1 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2 /*
3  * Main authors:
4  * Christopher Mears <Chris.Mears@monash.edu>
5  *
6  * Contributing authors:
7  * Christian Schulte <schulte@gecode.org>
8  * Guido Tack <tack@gecode.org>
9  *
10  * Copyright:
11  * Christopher Mears, 2011
12  * Christian Schulte, 2011
13  * Guido Tack, 2011
14  *
15  * Last modified:
16  * $Date: 2011-07-12 12:49:06 +0200 (Tue, 12 Jul 2011) $ by $Author: tack $
17  * $Revision: 12172 $
18  *
19  * This file is part of Gecode, the generic constraint
20  * development environment:
21  * http://www.gecode.org
22  *
23  * Permission is hereby granted, free of charge, to any person obtaining
24  * a copy of this software and associated documentation files (the
25  * "Software"), to deal in the Software without restriction, including
26  * without limitation the rights to use, copy, modify, merge, publish,
27  * distribute, sublicense, and/or sell copies of the Software, and to
28  * permit persons to whom the Software is furnished to do so, subject to
29  * the following conditions:
30  *
31  * The above copyright notice and this permission notice shall be
32  * included in all copies or substantial portions of the Software.
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34  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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39  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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41  *
42  */
43 
44 #ifndef __GECODE_SET_PRECEDE_HH__
45 #define __GECODE_SET_PRECEDE_HH__
46 
47 #include <gecode/set.hh>
48 
54 namespace Gecode { namespace Set { namespace Precede {
55 
66  template<class View>
67  class Single : public NaryPropagator<View,PC_SET_NONE> {
68  protected:
71  class Index : public Advisor {
72  public:
74  int i;
76  Index(Space& home, Propagator& p, Council<Index>& c, int i);
78  Index(Space& home, bool share, Index& a);
79  };
83  int s, t;
85  int alpha, beta, gamma;
91  Single(Home home, ViewArray<View>& x, int s, int t, int beta, int gamma);
93  Single(Space& home, bool share, Single<View>& p);
94  public:
96  virtual Propagator* copy(Space& home, bool share);
98  virtual PropCost cost(const Space&, const ModEventDelta&) const;
100  virtual size_t dispose(Space& home);
102  virtual ExecStatus advise(Space& home, Advisor& a, const Delta& d);
104  virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
106  static ExecStatus post(Home home, ViewArray<View>& x, int s, int t);
107  };
108 
109 }}}
110 
112 
113 #endif
114 
115 // STATISTICS: set-prop