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dfs.hh
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3  * Main authors:
4  * Christian Schulte <schulte@gecode.org>
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7  * Christian Schulte, 2009
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37 
38 #ifndef __GECODE_SEARCH_SEQ_DFS_HH__
39 #define __GECODE_SEARCH_SEQ_DFS_HH__
40 
41 #include <gecode/search.hh>
42 #include <gecode/search/support.hh>
43 #include <gecode/search/worker.hh>
45 
46 namespace Gecode { namespace Search { namespace Seq {
47 
49  template<class Tracer>
50  class DFS : public Worker {
51  private:
53  Tracer tracer;
55  Options opt;
57  Path<Tracer> path;
59  Space* cur;
61  unsigned int d;
62  public:
64  DFS(Space* s, const Options& o);
66  Space* next(void);
68  Statistics statistics(void) const;
70  void constrain(const Space& b);
72  void reset(Space* s);
74  NoGoods& nogoods(void);
76  ~DFS(void);
77  };
78 
79 }}}
80 
82 
83 #endif
84 
85 // STATISTICS: search-seq
Search engine statistics
Definition: search.hh:149
Search engine options
Definition: search.hh:748
~DFS(void)
Destructor.
Definition: dfs.hpp:181
Computation spaces.
Definition: core.hpp:1668
DFS(Space *s, const Options &o)
Initialize for space s with options o.
Definition: dfs.hpp:42
NoGoods & nogoods(void)
Return no-goods.
Definition: dfs.hpp:76
void constrain(const Space &b)
Constrain future solutions to be better than b (should never be called)
Definition: dfs.hpp:174
Search worker statistics
Definition: worker.hh:48
Depth-first path (stack of edges) supporting recomputation.
Definition: path.hh:64
struct Gecode::@585::NNF::@62::@63 b
For binary nodes (and, or, eqv)
No-goods recorded from restarts.
Definition: core.hpp:1514
Depth-first search engine implementation.
Definition: dfs.hh:50
Space * next(void)
Search for next solution
Definition: dfs.hpp:82
Tracer.
Definition: tracer.hpp:153
Statistics statistics(void) const
Return statistics.
Definition: dfs.hpp:168
Gecode toplevel namespace
void reset(void)
Reset.
Definition: statistics.hpp:43