Class to perform OA in its classical form. More...

#include <BonOaFeasChecker.hpp>

Inheritance diagram for Bonmin::OaFeasibilityChecker:

Collaboration diagram for Bonmin::OaFeasibilityChecker:

Public Member Functions
	OaFeasibilityChecker (BabSetupBase &b)
	New usefull constructor. More...

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

	~OaFeasibilityChecker ()
	Destructor. More...

virtual CglCutGenerator *	clone () const

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 OA options. More...

Protected Types
enum	CutsPolicies { DetectCycles = 0, KeepAll, TreatAsNormal }
	See documentation for feas_check_discard_policy option. More...

enum	CutsTypes { OA = 0, Benders }
	See documentation for feas_check_cut_types option. 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...

Protected Attributes
CutsPolicies	pol_
	Policy for keeping cuts. More...

CutsTypes	type_
	Type of cuts. More...

unsigned int	cut_count_
	Count the total number of cuts generated. More...

unsigned int	maximum_oa_cuts_
	maximum number of OA cuts. More...

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

Class to perform OA in its classical form.

Definition at line 18 of file BonOaFeasChecker.hpp.

Member Enumeration Documentation

enum Bonmin::OaFeasibilityChecker::CutsPolicies

protected

See documentation for feas_check_discard_policy option.

Enumerator
DetectCycles
KeepAll
TreatAsNormal

Definition at line 53 of file BonOaFeasChecker.hpp.

enum Bonmin::OaFeasibilityChecker::CutsTypes

protected

See documentation for feas_check_cut_types option.

Enumerator
OA
Benders

Definition at line 61 of file BonOaFeasChecker.hpp.

Constructor & Destructor Documentation

Bonmin::OaFeasibilityChecker::OaFeasibilityChecker ( BabSetupBase & b )

New usefull constructor.

Definition at line 21 of file BonOaFeasChecker.cpp.

Bonmin::OaFeasibilityChecker::OaFeasibilityChecker ( const OaFeasibilityChecker & copy )

inline

Copy constructor.

Definition at line 24 of file BonOaFeasChecker.hpp.

Bonmin::OaFeasibilityChecker::~OaFeasibilityChecker ( )

Destructor.

Definition at line 33 of file BonOaFeasChecker.cpp.

Member Function Documentation

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

static

Register OA options.

Register OA feasibility checker options.

Definition at line 140 of file BonOaFeasChecker.cpp.

virtual CglCutGenerator* Bonmin::OaFeasibilityChecker::clone ( ) const

inlinevirtual

Definition at line 38 of file BonOaFeasChecker.hpp.

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

protectedvirtual

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

OaDecomposition method.

Implements Bonmin::OaDecompositionBase.

Definition at line 38 of file BonOaFeasChecker.cpp.

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

inlineprotectedvirtual

virutal method to decide if local search is performed

Implements Bonmin::OaDecompositionBase.

Definition at line 47 of file BonOaFeasChecker.hpp.

Member Data Documentation

CutsPolicies Bonmin::OaFeasibilityChecker::pol_

protected

Policy for keeping cuts.

Definition at line 58 of file BonOaFeasChecker.hpp.

CutsTypes Bonmin::OaFeasibilityChecker::type_

protected

Type of cuts.

Definition at line 65 of file BonOaFeasChecker.hpp.

unsigned int Bonmin::OaFeasibilityChecker::cut_count_

mutableprotected

Count the total number of cuts generated.

Definition at line 68 of file BonOaFeasChecker.hpp.

unsigned int Bonmin::OaFeasibilityChecker::maximum_oa_cuts_

protected

maximum number of OA cuts.

Definition at line 70 of file BonOaFeasChecker.hpp.

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

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

Public Member Functions

Static Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation