#include <BonLocalSolverBasedHeuristic.hpp>

Inheritance diagram for Bonmin::LocalSolverBasedHeuristic:

Collaboration diagram for Bonmin::LocalSolverBasedHeuristic:

Public Member Functions
	LocalSolverBasedHeuristic ()
	Default constructor. More...

	LocalSolverBasedHeuristic (BonminSetup *setup)
	Constructor with setup. More...

	LocalSolverBasedHeuristic (const LocalSolverBasedHeuristic &other)
	Copy constructor. More...

	~LocalSolverBasedHeuristic ()
	Destructor. More...

virtual CbcHeuristic *	clone () const =0
	Virtual copy constructor. More...

LocalSolverBasedHeuristic &	operator= (const LocalSolverBasedHeuristic &rhs)
	Assignment operator. More...

virtual void	resetModel (CbcModel *model)
	Resets stuff if model changes. More...

void	setSetup (BonminSetup *setup)
	Change setup used for heuristic. More...

virtual int	solution (double &objectiveValue, double *newSolution)=0
	Performs heuristic. More...

virtual int	solution (double &objectiveValue, double *newSolution, OsiCuts &cs)
	Performs heuristic which adds cuts. More...

int	doLocalSearch (OsiTMINLPInterface solver, double solution, double &solValue, double cutoff, std::string prefix="local_solver.") const
	Do a local search based on setup and passed solver. More...

virtual void	setupDefaults (Ipopt::SmartPtr< Ipopt::OptionsList > options)
	Setup the defaults. More...

void	Initialize (Ipopt::SmartPtr< Ipopt::OptionsList > options)
	Initiaize using passed options. More...

Static Public Member Functions
static void	registerOptions (Ipopt::SmartPtr< Bonmin::RegisteredOptions > roptions)
	Register the options common to all local search based heuristics. More...

Static Protected Member Functions
static void	changeIfNotSet (Ipopt::SmartPtr< Ipopt::OptionsList > options, std::string prefix, const std::string &option, const std::string &value)

static void	changeIfNotSet (Ipopt::SmartPtr< Ipopt::OptionsList > options, std::string prefix, const std::string &option, const double &value)

static void	changeIfNotSet (Ipopt::SmartPtr< Ipopt::OptionsList > options, std::string prefix, const std::string &option, const int &value)

Protected Attributes
BonminSetup *	setup_
	Setup to use for local searches (will make copies). More...

Private Attributes
double	time_limit_
	Time limit in local search. More...

int	max_number_nodes_
	maximal number of nodes in local search. More...

int	max_number_solutions_
	Maximal number of solutions in local search. More...

Detailed Description

Definition at line 15 of file BonLocalSolverBasedHeuristic.hpp.

Constructor & Destructor Documentation

Bonmin::LocalSolverBasedHeuristic::LocalSolverBasedHeuristic ( )

Default constructor.

Definition at line 13 of file BonLocalSolverBasedHeuristic.cpp.

Bonmin::LocalSolverBasedHeuristic::LocalSolverBasedHeuristic ( BonminSetup * setup )

Constructor with setup.

Definition at line 20 of file BonLocalSolverBasedHeuristic.cpp.

Bonmin::LocalSolverBasedHeuristic::LocalSolverBasedHeuristic ( const LocalSolverBasedHeuristic & other )

Copy constructor.

Definition at line 29 of file BonLocalSolverBasedHeuristic.cpp.

Bonmin::LocalSolverBasedHeuristic::~LocalSolverBasedHeuristic ( )

Destructor.

Definition at line 37 of file BonLocalSolverBasedHeuristic.cpp.

Member Function Documentation

virtual CbcHeuristic* Bonmin::LocalSolverBasedHeuristic::clone ( ) const

pure virtual

Virtual copy constructor.

Implemented in Bonmin::HeuristicLocalBranching, Bonmin::HeuristicRINS, Bonmin::DummyPump, Bonmin::FixAndSolveHeuristic, and Bonmin::PumpForMinlp.

LocalSolverBasedHeuristic & Bonmin::LocalSolverBasedHeuristic::operator= ( const LocalSolverBasedHeuristic & rhs )

Assignment operator.

Definition at line 41 of file BonLocalSolverBasedHeuristic.cpp.

virtual void Bonmin::LocalSolverBasedHeuristic::resetModel ( CbcModel * model )

inlinevirtual

Resets stuff if model changes.

Definition at line 40 of file BonLocalSolverBasedHeuristic.hpp.

void Bonmin::LocalSolverBasedHeuristic::setSetup ( BonminSetup * setup )

inline

Change setup used for heuristic.

Definition at line 45 of file BonLocalSolverBasedHeuristic.hpp.

virtual int Bonmin::LocalSolverBasedHeuristic::solution	(	double &	objectiveValue,
		double *	newSolution
	)

pure virtual

Performs heuristic.

Implemented in Bonmin::HeuristicLocalBranching, Bonmin::HeuristicRINS, Bonmin::DummyPump, Bonmin::FixAndSolveHeuristic, and Bonmin::PumpForMinlp.

virtual int Bonmin::LocalSolverBasedHeuristic::solution	(	double &	objectiveValue,
		double *	newSolution,
		OsiCuts &	cs
	)

inlinevirtual

Performs heuristic which adds cuts.

Definition at line 54 of file BonLocalSolverBasedHeuristic.hpp.

int Bonmin::LocalSolverBasedHeuristic::doLocalSearch	(	OsiTMINLPInterface *	solver,
		double *	solution,
		double &	solValue,
		double	cutoff,
		std::string	prefix = `"local_solver."`
	)		const

Do a local search based on setup and passed solver.

Definition at line 91 of file BonLocalSolverBasedHeuristic.cpp.

void Bonmin::LocalSolverBasedHeuristic::registerOptions ( Ipopt::SmartPtr< Bonmin::RegisteredOptions > roptions )

static

Register the options common to all local search based heuristics.

Definition at line 112 of file BonLocalSolverBasedHeuristic.cpp.

void Bonmin::LocalSolverBasedHeuristic::setupDefaults ( Ipopt::SmartPtr< Ipopt::OptionsList > options )

virtual

Setup the defaults.

Reimplemented in Bonmin::PumpForMinlp.

Definition at line 81 of file BonLocalSolverBasedHeuristic.cpp.

void Bonmin::LocalSolverBasedHeuristic::Initialize ( Ipopt::SmartPtr< Ipopt::OptionsList > options )

Initiaize using passed options.

Some fancy defaults.

Definition at line 117 of file BonLocalSolverBasedHeuristic.cpp.

void Bonmin::LocalSolverBasedHeuristic::changeIfNotSet	(	Ipopt::SmartPtr< Ipopt::OptionsList >	options,
		std::string	prefix,
		const std::string &	option,
		const std::string &	value
	)

staticprotected

Definition at line 50 of file BonLocalSolverBasedHeuristic.cpp.

void Bonmin::LocalSolverBasedHeuristic::changeIfNotSet	(	Ipopt::SmartPtr< Ipopt::OptionsList >	options,
		std::string	prefix,
		const std::string &	option,
		const double &	value
	)

staticprotected

Definition at line 60 of file BonLocalSolverBasedHeuristic.cpp.

void Bonmin::LocalSolverBasedHeuristic::changeIfNotSet	(	Ipopt::SmartPtr< Ipopt::OptionsList >	options,
		std::string	prefix,
		const std::string &	option,
		const int &	value
	)