Gecode::Search::Seq::LDS< Tracer > Class Template Reference

Limited discrepancy search engine implementation. More...

#include <lds.hh>

List of all members.

Public Member Functions
	LDS (Space *s, const Options &o)
	Initialize for space s with options o.
virtual Space *	next (void)
	Return next solution (NULL, if none exists or search has been stopped).
virtual Statistics	statistics (void) const
	Return statistics.
void	constrain (const Space &b)
	Constrain future solutions to be better than b (should never be called).
void	reset (Space *s)
	Reset engine to restart at space s.
virtual bool	stopped (void) const
	Check whether engine has been stopped.
virtual	~LDS (void)
	Destructor.
Protected Attributes
Options	opt
	Search options.
Probe< Tracer >	e
	The probe engine.
Space *	root
	Root node for problem.
unsigned int	d
	Current discrepancy.
bool	no_solution
	Solution found for current discrepancy.

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Detailed Description

template<class Tracer>
class Gecode::Search::Seq::LDS< Tracer >

Limited discrepancy search engine implementation.

Definition at line 105 of file lds.hh.

---

Constructor & Destructor Documentation

template<class Tracer >

Gecode::Search::Seq::LDS< Tracer >::LDS	(	Space *	s,
		const Options &	o
	)			[inline]

Initialize for space s with options o.

Definition at line 272 of file lds.hpp.

template<class Tracer >

Gecode::Search::Seq::LDS< Tracer >::~LDS

(

void

)

[inline, virtual]

Destructor.

Definition at line 345 of file lds.hpp.

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Member Function Documentation

template<class Tracer >

Space * Gecode::Search::Seq::LDS< Tracer >::next

(

void

)

[inline, virtual]

Return next solution (NULL, if none exists or search has been stopped).

Implements Gecode::Search::Engine.

Definition at line 289 of file lds.hpp.

template<class Tracer >

Statistics Gecode::Search::Seq::LDS< Tracer >::statistics

(

void

)

const [inline, virtual]

Return statistics.

Implements Gecode::Search::Engine.

Definition at line 315 of file lds.hpp.

template<class Tracer >

void Gecode::Search::Seq::LDS< Tracer >::constrain

(

const Space &

b

)

[inline, virtual]

Constrain future solutions to be better than b (should never be called).

Reimplemented from Gecode::Search::Engine.

Definition at line 339 of file lds.hpp.

template<class Tracer >

void Gecode::Search::Seq::LDS< Tracer >::reset

(

Space *

s

)

[inline, virtual]

Reset engine to restart at space s.

Reimplemented from Gecode::Search::Engine.

Definition at line 322 of file lds.hpp.

template<class Tracer >

bool Gecode::Search::Seq::LDS< Tracer >::stopped

(

void

)

const [inline, virtual]

Check whether engine has been stopped.

Implements Gecode::Search::Engine.

Definition at line 309 of file lds.hpp.

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Member Data Documentation

template<class Tracer >

Options Gecode::Search::Seq::LDS< Tracer >::opt [protected]

Search options.

Definition at line 108 of file lds.hh.

template<class Tracer >

Probe<Tracer> Gecode::Search::Seq::LDS< Tracer >::e [protected]

The probe engine.

Definition at line 110 of file lds.hh.

template<class Tracer >

Space* Gecode::Search::Seq::LDS< Tracer >::root [protected]

Root node for problem.

Definition at line 112 of file lds.hh.

template<class Tracer >

unsigned int Gecode::Search::Seq::LDS< Tracer >::d [protected]

Current discrepancy.

Definition at line 114 of file lds.hh.

template<class Tracer >

bool Gecode::Search::Seq::LDS< Tracer >::no_solution [protected]

Solution found for current discrepancy.

Definition at line 116 of file lds.hh.

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The documentation for this class was generated from the following files:

• gecode/search/seq/lds.hh
• gecode/search/seq/lds.hpp