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dfs.hh
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3  * Main authors:
4  * Christian Schulte <schulte@gecode.org>
5  *
6  * Copyright:
7  * Christian Schulte, 2009
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33 
34 #ifndef __GECODE_SEARCH_SEQ_DFS_HH__
35 #define __GECODE_SEARCH_SEQ_DFS_HH__
36 
37 #include <gecode/search.hh>
38 #include <gecode/search/support.hh>
39 #include <gecode/search/worker.hh>
41 
42 namespace Gecode { namespace Search { namespace Seq {
43 
45  template<class Tracer>
46  class DFS : public Worker {
47  private:
49  Tracer tracer;
51  Options opt;
53  Path<Tracer> path;
55  Space* cur;
57  unsigned int d;
58  public:
60  DFS(Space* s, const Options& o);
62  Space* next(void);
64  Statistics statistics(void) const;
66  void constrain(const Space& b);
68  void reset(Space* s);
70  NoGoods& nogoods(void);
72  ~DFS(void);
73  };
74 
75 }}}
76 
78 
79 #endif
80 
81 // STATISTICS: search-seq
struct Gecode::@602::NNF::@65::@66 b
For binary nodes (and, or, eqv)
NoGoods & nogoods(void)
Return no-goods.
Definition: dfs.hpp:72
void constrain(const Space &b)
Constrain future solutions to be better than b (should never be called)
Definition: dfs.hpp:170
Search worker statistics
Definition: worker.hh:44
Search engine options
Definition: search.hh:746
Depth-first path (stack of edges) supporting recomputation.
Definition: path.hh:60
Computation spaces.
Definition: core.hpp:1742
Depth-first search engine implementation.
Definition: dfs.hh:46
Gecode toplevel namespace
Statistics statistics(void) const
Return statistics.
Definition: dfs.hpp:164
No-goods recorded from restarts.
Definition: core.hpp:1588
DFS(Space *s, const Options &o)
Initialize for space s with options o.
Definition: dfs.hpp:38
Tracer.
Definition: tracer.hpp:149
~DFS(void)
Destructor.
Definition: dfs.hpp:177
void reset(void)
Reset.
Definition: statistics.hpp:39
Search engine statistics
Definition: search.hh:147
Space * next(void)
Search for next solution
Definition: dfs.hpp:78