CouenneVarObject Class Reference

OsiObject for variables in a MINLP. More...

#include <CouenneVarObject.hpp>

Inheritance diagram for CouenneVarObject:

[legend]Collaboration diagram for CouenneVarObject:

[legend]List of all members.

Public Member Functions
	CouenneVarObject (CouenneCutGenerator *c, CouenneProblem *p, exprVar *ref, Bonmin::BabSetupBase *base, JnlstPtr jnlst)
	Constructor with information for branching point selection strategy.
	CouenneVarObject (const CouenneVarObject &src)
	Copy constructor.
	~CouenneVarObject ()
	Destructor.
virtual CouenneObject *	clone () const
	Cloning method.
virtual double	infeasibility (const OsiBranchingInformation *info, int &way) const
	compute infeasibility of this variable x as the sum/min/max of all infeasibilities of auxiliaries w whose defining function depends on x |w - f(x)|
virtual double	checkInfeasibility (const OsiBranchingInformation *info) const
	compute infeasibility of this variable, |w - f(x)|, where w is the auxiliary variable defined as w = f(x)
virtual OsiBranchingObject *	createBranch (OsiSolverInterface *, const OsiBranchingInformation *, int) const
	create CouenneBranchingObject or CouenneThreeWayBranchObj based on this object
virtual double	feasibleRegion (OsiSolverInterface *, const OsiBranchingInformation *) const
	fix nonlinear coordinates of current integer-nonlinear feasible solution
virtual bool	isCuttable () const
	are we on the bad or good side of the expression?
Protected Member Functions
CouNumber	computeBranchingPoint (const OsiBranchingInformation *info, int &bestWay, const CouenneObject *&criticalObject) const
	Method computing the branching point.

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Detailed Description

OsiObject for variables in a MINLP.

Definition at line 20 of file CouenneVarObject.hpp.

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Constructor & Destructor Documentation

CouenneVarObject::CouenneVarObject	(	CouenneCutGenerator *	c,
		CouenneProblem *	p,
		exprVar *	ref,
		Bonmin::BabSetupBase *	base,
		JnlstPtr	jnlst
	)

Constructor with information for branching point selection strategy.

Referenced by clone().

CouenneVarObject::CouenneVarObject

(

const CouenneVarObject &

src

)

[inline]

Copy constructor.

Definition at line 32 of file CouenneVarObject.hpp.

CouenneVarObject::~CouenneVarObject

(

)

[inline]

Destructor.

Definition at line 36 of file CouenneVarObject.hpp.

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Member Function Documentation

virtual CouenneObject* CouenneVarObject::clone

(

)

const [inline, virtual]

Cloning method.

Reimplemented from CouenneObject.

Reimplemented in CouenneVTObject.

Definition at line 39 of file CouenneVarObject.hpp.

References CouenneVarObject().

virtual double CouenneVarObject::infeasibility	(	const OsiBranchingInformation *	info,
		int &	way
	)			const [virtual]

compute infeasibility of this variable x as the sum/min/max of all infeasibilities of auxiliaries w whose defining function depends on x |w - f(x)|

TODO: suggest way

Reimplemented from CouenneObject.

Reimplemented in CouenneVTObject.

virtual double CouenneVarObject::checkInfeasibility

(

const OsiBranchingInformation *

info

)

const [virtual]

compute infeasibility of this variable, |w - f(x)|, where w is the auxiliary variable defined as w = f(x)

Reimplemented from CouenneObject.

virtual OsiBranchingObject* CouenneVarObject::createBranch	(	OsiSolverInterface *	,
		const OsiBranchingInformation *	,
		int
	)			const [virtual]

create CouenneBranchingObject or CouenneThreeWayBranchObj based on this object

Reimplemented from CouenneObject.

virtual double CouenneVarObject::feasibleRegion	(	OsiSolverInterface *	,
		const OsiBranchingInformation *
	)			const [virtual]

fix nonlinear coordinates of current integer-nonlinear feasible solution

Reimplemented from CouenneObject.

virtual bool CouenneVarObject::isCuttable

(

)

const [virtual]

are we on the bad or good side of the expression?

Reimplemented from CouenneObject.

CouNumber CouenneVarObject::computeBranchingPoint	(	const OsiBranchingInformation *	info,
		int &	bestWay,
		const CouenneObject *&	criticalObject
	)			const [protected]

Method computing the branching point.

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

• CouenneVarObject.hpp

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