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support.hh
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1 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2 /*
3  * Main authors:
4  * Christian Schulte <schulte@gecode.org>
5  *
6  * Copyright:
7  * Christian Schulte, 2008
8  *
9  * Last modified:
10  * $Date: 2011-02-02 00:11:54 +1100 (Wed, 02 Feb 2011) $ by $Author: schulte $
11  * $Revision: 11591 $
12  *
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37 
38 #ifndef __GECODE_SEARCH_SUPPORT_HH__
39 #define __GECODE_SEARCH_SUPPORT_HH__
40 
41 #include <gecode/search.hh>
42 
43 namespace Gecode { namespace Search {
44 
46  forceinline Space*
47  snapshot(Space* s, const Options& o, bool share=true) {
48  return o.clone ? s->clone(share) : s;
49  }
50 
52  template<class Worker>
53  class WorkerToEngine : public Engine {
54  protected:
56  public:
58  WorkerToEngine(Space* s, size_t sz, const Options& o);
60  virtual Space* next(void);
62  virtual Search::Statistics statistics(void) const;
64  virtual bool stopped(void) const;
65  };
66 
67  template<class Worker>
69  const Options& o)
70  : w(s,sz,o) {}
71  template<class Worker>
72  Space*
74  return w.next();
75  }
76  template<class Worker>
79  return w.statistics();
80  }
81  template<class Worker>
82  bool
84  return w.stopped();
85  }
86 
87 }}
88 
89 #endif
90 
91 // STATISTICS: search-other