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rbs.hh
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4  * Guido Tack <tack@gecode.org>
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7  * Guido Tack, 2012
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10  * $Date: 2013-07-11 12:30:18 +0200 (Thu, 11 Jul 2013) $ by $Author: schulte $
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37 
38 
39 #ifndef __GECODE_SEARCH_META_RBS_HH__
40 #define __GECODE_SEARCH_META_RBS_HH__
41 
42 #include <gecode/search.hh>
43 
44 namespace Gecode { namespace Search { namespace Meta {
45 
47  class RBS : public Engine {
48  private:
50  Engine* e;
52  Space* master;
54  Cutoff* co;
56  MetaStop* stop;
58  bool shared;
61  static NoGoods eng;
62  public:
64  RBS(Space* s, Cutoff* co0, MetaStop* stop0,
65  Engine* e0, const Options& o);
67  virtual Space* next(void);
69  virtual Search::Statistics statistics(void) const;
71  virtual bool stopped(void) const;
73  virtual void reset(Space* s);
75  virtual NoGoods& nogoods(void);
77  virtual ~RBS(void);
78  };
79 
81  RBS::RBS(Space* s, Cutoff* co0, MetaStop* stop0,
82  Engine* e0, const Options& opt)
83  : e(e0), master(s), co(co0), stop(stop0),
84  shared(opt.threads == 1) {
85  stop->limit(Statistics(),(*co)());
86  }
87 
88 }}}
89 
90 #endif
91 
92 // STATISTICS: search-other
Search engine implementation interface
Definition: search.hh:440
Search engine statistics
Definition: search.hh:136
#define GECODE_SEARCH_EXPORT
Definition: search.hh:63
Engine for restart-based search.
Definition: rbs.hh:47
Search engine options
Definition: search.hh:204
void stop(Support::Timer &timer, std::ostream &os)
Get time since start of timer and print user friendly time information.
Definition: script.cpp:46
void limit(const Search::Statistics &s, unsigned long int l)
Set current limit for the engine to l fails.
Definition: stop.hpp:135
Base class for cutoff generators for restart-based meta engine.
Definition: search.hh:389
Computation spaces.
Definition: core.hpp:1325
virtual void reset(Space *s)
Reset engine to restart at space s.
Definition: rbs.cpp:105
Options opt
The options.
Definition: test.cpp:101
virtual NoGoods & nogoods(void)
Return no-goods.
Definition: rbs.cpp:111
Stop-object for meta engine
Definition: search.hh:349
RBS(Space *s, Cutoff *co0, MetaStop *stop0, Engine *e0, const Options &o)
Constructor.
Definition: rbs.hh:81
virtual Space * next(void)
Return next solution (NULL, if none exists or search has been stopped)
Definition: rbs.cpp:44
const double threads
Number of threads to use.
Definition: search.hh:95
No-goods recorded from restarts.
Definition: core.hpp:1240
#define forceinline
Definition: config.hpp:167
virtual Search::Statistics statistics(void) const
Return statistics.
Definition: rbs.cpp:88
bool shared(const ConstView< ViewA > &, const ConstView< ViewB > &)
Test whether views share same variable.
Definition: view.hpp:662
Gecode toplevel namespace
virtual bool stopped(void) const
Check whether engine has been stopped.
Definition: rbs.cpp:93
virtual ~RBS(void)
Destructor.
Definition: rbs.cpp:115