#include <BonEcpCuts.hpp>

Inheritance diagram for Bonmin::EcpCuts:

Collaboration diagram for Bonmin::EcpCuts:

Public Member Functions
	EcpCuts (BabSetupBase &b)

	EcpCuts (const EcpCuts &copy)
	Copy constructor. More...

CglCutGenerator *	clone () const
	clone More...

virtual	~EcpCuts ()
	Destructor. More...

virtual void	generateCuts (const OsiSolverInterface &si, OsiCuts &cs, const CglTreeInfo info=CglTreeInfo()) const
	Standard cut generation methods. More...

double	doEcpRounds (OsiSolverInterface &si, bool leaveSiUnchanged, double *violation=NULL)

void	setNumRounds (int value)

void	setPropabilityFactor (double value)

void	setAbsViolationTolerance (double value)

void	setRelViolationTolerance (double value)

Public Member Functions inherited from Bonmin::OaDecompositionBase
	OaDecompositionBase (BabSetupBase &b, bool leaveSiUnchanged, bool reassignLpsolver)
	New usefull constructor. More...

	OaDecompositionBase (const OaDecompositionBase &copy)
	Copy constructor. More...

virtual	~OaDecompositionBase ()
	Destructor. More...

virtual void	generateCuts (const OsiSolverInterface &si, OsiCuts &cs, const CglTreeInfo info=CglTreeInfo())
	Standard cut generation methods. More...

void	assignNlpInterface (OsiTMINLPInterface *nlp)
	Assign an OsiTMINLPInterface. More...

void	assignLpInterface (OsiSolverInterface *si)
	Assign an OsiTMINLPInterface. More...

bool	reassignLpsolver ()

void	setObjects (OsiObject **objects, int nObjects)
	Set objects. More...

void	setLeaveSiUnchanged (bool yesno)
	Set whether to leave the solverinterface unchanged. More...

Parameters &	parameter ()

const Parameters &	parameter () const

void	setLogLevel (int level)

void	setReassignLpSolver (bool v)

void	passInMessageHandler (CoinMessageHandler *handler)

Static Public Member Functions
static void	registerOptions (Ipopt::SmartPtr< Bonmin::RegisteredOptions > roptions)
	Register ecp cuts options. More...

Protected Member Functions
virtual double	performOa (OsiCuts &cs, solverManip &lpManip, BabInfo *babInfo, double &cutoff, const CglTreeInfo &info) const
	virtual method which performs the OA algorithm by modifying lp and nlp. More...

virtual bool	doLocalSearch (BabInfo *babInfo) const
	virutal method to decide if local search is performed More...

Protected Member Functions inherited from Bonmin::OaDecompositionBase
void	setupMipSolver (BabSetupBase &b, const std::string &prefix)

bool	post_nlp_solve (BabInfo *babInfo, double cutoff) const
	Solve the nlp and do output. More...

Private Attributes
double	objValue_
	Record obj value at final point of Ecp. More...

double	violation_
	Record NLP infeasibility at final point of Ecp. More...

int	numRounds_
	maximum number of iterations of generation. More...

double	abs_violation_tol_
	absolute tolerance for NLP constraint violation to stop ECP rounds More...

double	rel_violation_tol_
	relative tolerance for NLP constraint violation to stop ECP rounds More...

double	beta_
	Factor for probability for skipping cuts. More...

Additional Inherited Members
Protected Attributes inherited from Bonmin::OaDecompositionBase
OsiTMINLPInterface *	nlp_
	Pointer to nlp interface. More...

BabSetupBase *	s_
	Pointer to setup. More...

int	nSolve_
	Number of nlp solved done. More...

OsiSolverInterface *	lp_
	A linear solver. More...

OsiObject **	objects_
	Some objects the feasiblitiy of which to verify. More...

int	nObjects_
	Number of objects.*/. More...

int	nLocalSearch_
	number of local searches performed More...

CoinMessageHandler *	handler_
	messages handler. More...

CoinMessages	messages_
	Messages for OA. More...

bool	leaveSiUnchanged_
	Wether or not we should remove cuts at the end of the procedure. More...

bool	reassignLpsolver_
	Do we need to reassign the lp solver with Cbc. More...

double	timeBegin_
	time of construction More...

int	numSols_
	number of solutions found by OA_decomposition. More...

Parameters	parameters_
	Parameters. More...

OsiCuts	savedCuts_
	Saved cuts: in some cases when using OA to check feasible solution algorithm may loop because Cbc removes inactive cuts. More...

int	currentNodeNumber_
	Store the current node number. More...

Detailed Description

Definition at line 17 of file BonEcpCuts.hpp.

Constructor & Destructor Documentation

Bonmin::EcpCuts::EcpCuts ( BabSetupBase & b )

Definition at line 18 of file BonEcpCuts.cpp.

Bonmin::EcpCuts::EcpCuts ( const EcpCuts & copy )

inline

Copy constructor.

Definition at line 23 of file BonEcpCuts.hpp.

virtual Bonmin::EcpCuts::~EcpCuts ( )

inlinevirtual

Destructor.

Definition at line 39 of file BonEcpCuts.hpp.

Member Function Documentation

CglCutGenerator* Bonmin::EcpCuts::clone ( ) const

inline

clone

Definition at line 33 of file BonEcpCuts.hpp.

void Bonmin::EcpCuts::generateCuts	(	const OsiSolverInterface &	si,
		OsiCuts &	cs,
		const CglTreeInfo	info = `CglTreeInfo()`
	)		const

virtual

Standard cut generation methods.

Definition at line 46 of file BonEcpCuts.cpp.

double Bonmin::EcpCuts::doEcpRounds	(	OsiSolverInterface &	si,
		bool	leaveSiUnchanged,
		double *	violation = `NULL`
	)

Definition at line 29 of file BonEcpCuts.cpp.

void Bonmin::EcpCuts::setNumRounds ( int value )

inline

Definition at line 48 of file BonEcpCuts.hpp.

void Bonmin::EcpCuts::setPropabilityFactor ( double value )

inline

Definition at line 53 of file BonEcpCuts.hpp.

void Bonmin::EcpCuts::setAbsViolationTolerance ( double value )

inline

Definition at line 58 of file BonEcpCuts.hpp.

void Bonmin::EcpCuts::setRelViolationTolerance ( double value )

inline

Definition at line 62 of file BonEcpCuts.hpp.

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

static

Register ecp cuts options.

Definition at line 146 of file BonEcpCuts.cpp.

virtual double Bonmin::EcpCuts::performOa	(	OsiCuts &	cs,
		solverManip &	lpManip,
		BabInfo *	babInfo,
		double &	cutoff,
		const CglTreeInfo &	info
	)		const

inlineprotectedvirtual

virtual method which performs the OA algorithm by modifying lp and nlp.

Implements Bonmin::OaDecompositionBase.

Definition at line 72 of file BonEcpCuts.hpp.

virtual bool Bonmin::EcpCuts::doLocalSearch ( BabInfo * babInfo ) const

inlineprotectedvirtual

virutal method to decide if local search is performed

Implements Bonmin::OaDecompositionBase.

Definition at line 78 of file BonEcpCuts.hpp.

Member Data Documentation

double Bonmin::EcpCuts::objValue_

mutableprivate

Record obj value at final point of Ecp.

Definition at line 84 of file BonEcpCuts.hpp.

double Bonmin::EcpCuts::violation_

mutableprivate

Record NLP infeasibility at final point of Ecp.

Definition at line 86 of file BonEcpCuts.hpp.

int Bonmin::EcpCuts::numRounds_

private

maximum number of iterations of generation.

Definition at line 88 of file BonEcpCuts.hpp.

double Bonmin::EcpCuts::abs_violation_tol_

private

absolute tolerance for NLP constraint violation to stop ECP rounds

Definition at line 90 of file BonEcpCuts.hpp.

double Bonmin::EcpCuts::rel_violation_tol_

private

relative tolerance for NLP constraint violation to stop ECP rounds

Definition at line 92 of file BonEcpCuts.hpp.

double Bonmin::EcpCuts::beta_

private

Factor for probability for skipping cuts.

Definition at line 94 of file BonEcpCuts.hpp.

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

/tmp/OS-2.10.2/Bonmin/src/Algorithms/OaGenerators/BonEcpCuts.hpp
/tmp/OS-2.10.2/Bonmin/src/Algorithms/OaGenerators/BonEcpCuts.cpp

Public Member Functions

Static Public Member Functions

Protected Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation