Generated on Thu Jan 16 2025 00:00:00 for Gecode by doxygen 1.14.0
Gecode::Search::Seq::DFS< Tracer > Class Template Reference

Depth-first search engine implementation. More...

#include <dfs.hh>

Public Member Functions

 DFS (Space *s, const Options &o)
 Initialize for space s with options o.
Spacenext (void)
 Search for next solution
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.
NoGoodsnogoods (void)
 Return no-goods.
 ~DFS (void)
 Destructor.
Public Member Functions inherited from Gecode::Search::Worker
 Worker (void)
 Initialize.
void start (void)
 Reset stop information.
bool stop (const Options &o)
 Check whether engine must be stopped.
bool stopped (void) const
 Check whether engine has been stopped.
void reset (unsigned long int d=0)
 Reset statistics with root depth d.
void stack_depth (unsigned long int d)
 Record stack depth d.
unsigned long int steal_depth (unsigned long int d) const
 Return steal depth.
Public Member Functions inherited from Gecode::Search::Statistics
 Statistics (void)
 Initialize.
void reset (void)
 Reset.
Statistics operator+ (const Statistics &s)
 Return sum with s.
Statisticsoperator+= (const Statistics &s)
 Increment by statistics s.
Public Member Functions inherited from Gecode::StatusStatistics
 StatusStatistics (void)
 Initialize.
void reset (void)
 Reset information.
StatusStatistics operator+ (const StatusStatistics &s)
 Return sum with s.
StatusStatisticsoperator+= (const StatusStatistics &s)
 Increment by statistics s.

Additional Inherited Members

Public Attributes inherited from Gecode::Search::Statistics
unsigned long int fail
 Number of failed nodes in search tree.
unsigned long int node
 Number of nodes expanded.
unsigned long int depth
 Maximum depth of search stack.
unsigned long int restart
 Number of restarts.
unsigned long int nogood
 Number of no-goods posted.
Public Attributes inherited from Gecode::StatusStatistics
unsigned long int propagate
 Number of propagator executions.
Protected Attributes inherited from Gecode::Search::Worker
bool _stopped
 Whether engine has been stopped.
unsigned long int root_depth
 Depth of root node (for work stealing)

Detailed Description

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

Depth-first search engine implementation.

Definition at line 46 of file dfs.hh.

Constructor & Destructor Documentation

◆ DFS()

template<class Tracer>
Gecode::Search::Seq::DFS< Tracer >::DFS ( Space * s,
const Options & o )
inline

Initialize for space s with options o.

Definition at line 38 of file dfs.hpp.

◆ ~DFS()

template<class Tracer>
Gecode::Search::Seq::DFS< Tracer >::~DFS ( void )
inline

Destructor.

Definition at line 177 of file dfs.hpp.

Member Function Documentation

◆ next()

template<class Tracer>
Space * Gecode::Search::Seq::DFS< Tracer >::next ( void )
inline

Search for next solution

Definition at line 78 of file dfs.hpp.

◆ statistics()

template<class Tracer>
Statistics Gecode::Search::Seq::DFS< Tracer >::statistics ( void ) const
inline

Return statistics.

Definition at line 164 of file dfs.hpp.

◆ constrain()

template<class Tracer>
void Gecode::Search::Seq::DFS< Tracer >::constrain ( const Space & b)
inline

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

Definition at line 170 of file dfs.hpp.

◆ reset()

template<class Tracer>
void Gecode::Search::Seq::DFS< Tracer >::reset ( Space * s)
inline

Reset engine to restart at space s.

Definition at line 56 of file dfs.hpp.

◆ nogoods()

template<class Tracer>
NoGoods & Gecode::Search::Seq::DFS< Tracer >::nogoods ( void )
inline

Return no-goods.

Definition at line 72 of file dfs.hpp.


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