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dfs.hpp
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7 * Christian Schulte, 2003
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33
34namespace Gecode { namespace Search {
35
38 dfsengine(Space* s, const Options& o);
39
41 template<class T>
42 class DfsBuilder : public Builder {
43 using Builder::opt;
44 public:
46 DfsBuilder(const Options& opt);
48 virtual Engine* operator() (Space* s) const;
49 };
50
51 template<class T>
52 inline
54 : Builder(opt,DFS<T>::best) {}
55
56 template<class T>
57 Engine*
59 return build<T,DFS>(s,opt);
60 }
61
62}}
63
64namespace Gecode {
65
66 template<class T>
67 inline
69 : Search::Base<T>(Search::dfsengine(s,o)) {}
70
71 template<class T>
72 inline T*
73 dfs(T* s, const Search::Options& o) {
74 DFS<T> d(s,o);
75 return d.next();
76 }
77
78 template<class T>
79 SEB
80 dfs(const Search::Options& o) {
81 return new Search::DfsBuilder<T>(o);
82 }
83
84}
85
86// STATISTICS: search-other
Depth-first search engine.
Definition search.hh:1036
DFS(T *s, const Search::Options &o=Search::Options::def)
Initialize search engine for space s with options o.
Definition dfs.hpp:68
Base(Engine *e=NULL)
Constructor.
Definition base.hpp:42
Options opt
Stored and already expanded options.
Definition search.hh:968
Builder(const Options &opt, bool best)
Initialize with options opt and best solution search support.
Definition build.hpp:37
bool best(void) const
Whether engine is a best solution search engine.
Definition build.hpp:48
A DFS engine builder.
Definition dfs.hpp:42
virtual Engine * operator()(Space *s) const
The actual build function.
Definition dfs.hpp:58
DfsBuilder(const Options &opt)
The constructor.
Definition dfs.hpp:53
Search engine implementation interface
Definition search.hh:899
Search engine options
Definition search.hh:746
Computation spaces.
Definition core.hpp:1744
Search engines
Engine * build(Space *s, const Options &opt)
Build an engine of type E for a script T.
Definition build.hpp:58
Engine * dfsengine(Space *s, const Options &o)
Create depth-first engine.
Definition dfs.cpp:45
Gecode toplevel namespace
Search::Builder * SEB
Type for a search engine builder.
Definition search.hh:993
T * dfs(T *s, const Search::Options &o=Search::Options::def)
Invoke depth-first search engine for subclass T of space s with options o.
Definition dfs.hpp:73
#define GECODE_SEARCH_EXPORT
Definition search.hh:67