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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  *
9  * Copyright:
10  * Christopher Mears, 2011
11  * Christian Schulte, 2011
12  *
13  * Last modified:
14  * $Date: 2011-07-01 00:20:54 +1000 (Fri, 01 Jul 2011) $ by $Author: schulte $
15  * $Revision: 12138 $
16  *
17  * This file is part of Gecode, the generic constraint
18  * development environment:
19  * http://www.gecode.org
20  *
21  * Permission is hereby granted, free of charge, to any person obtaining
22  * a copy of this software and associated documentation files (the
23  * "Software"), to deal in the Software without restriction, including
24  * without limitation the rights to use, copy, modify, merge, publish,
25  * distribute, sublicense, and/or sell copies of the Software, and to
26  * permit persons to whom the Software is furnished to do so, subject to
27  * the following conditions:
28  *
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39  *
40  */
41 
42 #ifndef __GECODE_INT_PRECEDE_HH__
43 #define __GECODE_INT_PRECEDE_HH__
44 
45 #include <gecode/int.hh>
46 
52 namespace Gecode { namespace Int { namespace Precede {
53 
64  template<class View>
65  class Single : public NaryPropagator<View,PC_INT_NONE> {
66  protected:
69  class Index : public Advisor {
70  public:
72  int i;
74  Index(Space& home, Propagator& p, Council<Index>& c, int i);
76  Index(Space& home, bool share, Index& a);
77  };
81  int s, t;
83  int alpha, beta, gamma;
89  Single(Home home, ViewArray<View>& x, int s, int t, int beta, int gamma);
91  Single(Space& home, bool share, Single<View>& p);
92  public:
94  virtual Propagator* copy(Space& home, bool share);
96  virtual PropCost cost(const Space&, const ModEventDelta&) const;
98  virtual size_t dispose(Space& home);
100  virtual ExecStatus advise(Space& home, Advisor& a, const Delta& d);
102  virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
104  static ExecStatus post(Home home, ViewArray<View>& x, int s, int t);
105  };
106 
107 }}}
108 
110 
111 #endif
112 
113 // STATISTICS: int-prop