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lds.hpp
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33
34namespace Gecode { namespace Search {
35
38 ldsengine(Space* s, const Options& o);
39
41 template<class T>
42 class LdsBuilder : public Builder {
43 using Builder::opt;
44 public:
46 LdsBuilder(const Options& opt);
48 virtual Engine* operator() (Space* s) const;
49 };
50
51 template<class T>
52 inline
54 : Builder(opt,LDS<T>::best) {}
55
56 template<class T>
57 Engine*
59 return build<T,LDS>(s,opt);
60 }
61
62
63}}
64
65namespace Gecode {
66
67 template<class T>
70 : Search::Base<T>(Search::ldsengine(s,o)) {}
71
72 template<class T>
73 T*
74 lds(T* s, const Search::Options& o) {
75 LDS<T> lds(s,o);
76 return lds.next();
77 }
78
79 template<class T>
80 SEB
81 lds(const Search::Options& o) {
82 return new Search::LdsBuilder<T>(o);
83 }
84
85}
86
87// STATISTICS: search-other
Limited discrepancy search engine.
Definition search.hh:1108
LDS(T *s, const Search::Options &o=Search::Options::def)
Initialize engine for space s and options o.
Definition lds.hpp:69
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
Search engine implementation interface
Definition search.hh:899
A DFS engine builder.
Definition lds.hpp:42
virtual Engine * operator()(Space *s) const
The actual build function.
Definition lds.hpp:58
LdsBuilder(const Options &opt)
The constructor.
Definition lds.hpp:53
Search engine options
Definition search.hh:746
Computation spaces.
Definition core.hpp:1744
T * lds(T *s, const Search::Options &o=Search::Options::def)
Invoke limited-discrepancy search for s as root node and optionso.
Definition lds.hpp:74
Search engines
Engine * build(Space *s, const Options &opt)
Build an engine of type E for a script T.
Definition build.hpp:58
Engine * ldsengine(Space *s, const Options &o)
Create lds engine.
Definition lds.cpp:45
Gecode toplevel namespace
Search::Builder * SEB
Type for a search engine builder.
Definition search.hh:993
#define GECODE_SEARCH_EXPORT
Definition search.hh:67
#define forceinline
Definition config.hpp:194