#include <BonLocalSolverBasedHeuristic.hpp>

Inheritance diagram for Bonmin::LocalSolverBasedHeuristic:

Public Member Functions
	LocalSolverBasedHeuristic ()
	Default constructor.
	LocalSolverBasedHeuristic (BonminSetup *setup)
	Constructor with setup.
	LocalSolverBasedHeuristic (const LocalSolverBasedHeuristic &other)
	Copy constructor.
	~LocalSolverBasedHeuristic ()
	Destructor.
virtual CbcHeuristic *	clone () const =0
	Virtual copy constructor.
LocalSolverBasedHeuristic &	operator= (const LocalSolverBasedHeuristic &rhs)
	Assignment operator.
virtual void	resetModel (CbcModel *model)
	Resets stuff if model changes.
void	setSetup (BonminSetup *setup)
	Change setup used for heuristic.
virtual int	solution (double &objectiveValue, double *newSolution)=0
	Performs heuristic.
virtual int	solution (double &objectiveValue, double *newSolution, OsiCuts &cs)
	Performs heuristic which adds cuts.
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.
virtual void	setupDefaults (Ipopt::SmartPtr< Ipopt::OptionsList > options)
	Setup the defaults.
void	Initialize (Ipopt::SmartPtr< Ipopt::OptionsList > options)
	Initiaize using passed options.
Static Public Member Functions
static void	registerOptions (Ipopt::SmartPtr< Bonmin::RegisteredOptions > roptions)
	Register the options common to all local search based heuristics.
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).
Private Attributes
double	time_limit_
	Time limit in local search.
int	max_number_nodes_
	maximal number of nodes in local search.
int	max_number_solutions_
	Maximal number of solutions in local search.

Detailed Description

Definition at line 15 of file BonLocalSolverBasedHeuristic.hpp.

Constructor & Destructor Documentation

Bonmin::LocalSolverBasedHeuristic::LocalSolverBasedHeuristic ( )

Default constructor.

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

Constructor with setup.

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

Copy constructor.

Bonmin::LocalSolverBasedHeuristic::~LocalSolverBasedHeuristic ( )

Destructor.

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.

virtual void Bonmin::LocalSolverBasedHeuristic::resetModel ( CbcModel * model ) [inline, virtual]

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.

References Initialize(), Bonmin::BabSetupBase::options(), and setup_.

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
	)		`[inline, virtual]`

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.

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

Register the options common to all local search based heuristics.

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

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

Setup the defaults.

Reimplemented in Bonmin::PumpForMinlp.

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

Initiaize using passed options.

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

Referenced by setSetup().

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

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

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