Generated on Sat Apr 10 2021 00:00:00 for Gecode by doxygen 1.9.1
advisor.hpp
Go to the documentation of this file.
1 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2 /*
3  * Main authors:
4  * Mikael Lagerkvist <lagerkvist@gecode.org>
5  * Christian Schulte <schulte@gecode.org>
6  *
7  * Copyright:
8  * Mikael Lagerkvist, 2006
9  * Christian Schulte, 2007
10  *
11  * This file is part of Gecode, the generic constraint
12  * development environment:
13  * http://www.gecode.org
14  *
15  * Permission is hereby granted, free of charge, to any person obtaining
16  * a copy of this software and associated documentation files (the
17  * "Software"), to deal in the Software without restriction, including
18  * without limitation the rights to use, copy, modify, merge, publish,
19  * distribute, sublicense, and/or sell copies of the Software, and to
20  * permit persons to whom the Software is furnished to do so, subject to
21  * the following conditions:
22  *
23  * The above copyright notice and this permission notice shall be
24  * included in all copies or substantial portions of the Software.
25  *
26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
30  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
31  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
32  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33  *
34  */
35 
36 namespace Gecode {
37 
42  template<class View>
43  class ViewAdvisor : public Advisor {
44  protected:
46  View x;
47  public:
49  template<class A>
50  ViewAdvisor(Space& home, Propagator& p, Council<A>& c, View x0);
54  View view(void) const;
56  void view(Space& home, View y);
58  template<class A>
59  void dispose(Space& home, Council<A>& c);
60  };
61 
62 
63  template<class View>
64  template<class A>
67  Council<A>& c, View x0)
68  : Advisor(home,p,c), x(x0) {
69  x.subscribe(home,*this);
70  }
71  template<class View>
74  : Advisor(home,a) {
75  x.update(home,a.x);
76  }
77  template<class View>
78  forceinline View
80  return x;
81  }
82  template<class View>
83  forceinline void
84  ViewAdvisor<View>::view(Space& home, View y) {
85  x.cancel(home,*this); x=y; x.subscribe(home,*this);
86  }
87  template<class View>
88  template<class A>
89  forceinline void
91  x.cancel(home,*this);
92  Advisor::dispose(home,c);
93  }
94 
95 }
96 
97 // STATISTICS: kernel-other
int p
Number of positive literals for node type.
Definition: bool-expr.cpp:232
Node * x
Pointer to corresponding Boolean expression node.
Definition: bool-expr.cpp:249
struct Gecode::@602::NNF::@65::@67 a
For atomic nodes.
Base-class for advisors.
Definition: core.hpp:1292
void dispose(Space &home, Council< A > &c)
Dispose the advisor.
Definition: core.hpp:3864
Council of advisors
Definition: core.hpp:1241
Base-class for propagators.
Definition: core.hpp:1064
Computation spaces.
Definition: core.hpp:1742
Advisor storing a single view
Definition: advisor.hpp:43
ViewAdvisor(Space &home, Propagator &p, Council< A > &c, View x0)
Constructor for creation.
Definition: advisor.hpp:66
void dispose(Space &home, Council< A > &c)
Delete advisor.
Definition: advisor.hpp:90
View x
The single view.
Definition: advisor.hpp:46
View view(void) const
Access view.
Definition: advisor.hpp:79
Post propagator for SetVar SetOpType SetVar y
Definition: set.hh:767
Gecode::FloatVal c(-8, 8)
#define forceinline
Definition: config.hpp:192