"Spatial" branching object. More...

Inheritance diagram for Couenne::CouenneOrbitBranchingObj:

Public Member Functions
	CouenneOrbitBranchingObj (OsiSolverInterface solver, const OsiObject originalObject, JnlstPtr jnlst, CouenneCutGenerator c, CouenneProblem p, expression *var, int way, CouNumber brpoint, bool doFBBT, bool doConvCuts)
	Constructor. More...

	CouenneOrbitBranchingObj (const CouenneOrbitBranchingObj &src)
	Copy constructor. More...

virtual OsiBranchingObject *	clone () const
	cloning method More...

virtual double	branch (OsiSolverInterface *solver=NULL)
	Execute the actions required to branch, as specified by the current state of the branching object, and advance the object's state. More...

virtual bool	boundBranch () const
	does this branching object only change variable bounds? More...

void	setSimulate (bool s)
	set simulate_ field below More...

Public Member Functions inherited from Couenne::CouenneBranchingObject
	CouenneBranchingObject (OsiSolverInterface solver, const OsiObject originalObject, JnlstPtr jnlst, CouenneCutGenerator c, CouenneProblem p, expression *var, int way, CouNumber brpoint, bool doFBBT, bool doConvCuts)
	Constructor. More...

	CouenneBranchingObject (const CouenneBranchingObject &src)
	Copy constructor. More...

void	setSimulate (bool s)
	set simulate_ field below More...

expression *	variable ()
	return branching variable More...

void	branchCore (OsiSolverInterface , int, int, bool, double, t_chg_bounds &)
	Perform branching step. More...

Additional Inherited Members
Static Public Attributes inherited from Couenne::CouenneBranchingObject
static int	nOrbBr

static int	maxDepthOrbBranch

static int	nSGcomputations

Protected Attributes inherited from Couenne::CouenneBranchingObject
CouenneCutGenerator *	cutGen_
	Pointer to CouenneCutGenerator (if any); if not NULL, allows to do extra cut generation during branching. More...

CouenneProblem *	problem_
	Pointer to CouenneProblem (necessary to allow FBBT) More...

expression *	variable_
	The index of the variable this branching object refers to. More...

JnlstPtr	jnlst_
	SmartPointer to the Journalist. More...

bool	doFBBT_
	shall we do Feasibility based Bound Tightening (FBBT) at branching? More...

bool	doConvCuts_
	shall we add convexification cuts at branching? More...

double	downEstimate_
	down branch estimate (done at selectBranch with reduced costs) More...

double	upEstimate_
	up branch estimate More...

bool	simulate_
	are we currently in strong branching? More...

Detailed Description

"Spatial" branching object.

Branching can also be performed on continuous variables.

Constructor & Destructor Documentation

Couenne::CouenneOrbitBranchingObj::CouenneOrbitBranchingObj	(	OsiSolverInterface *	solver,
		const OsiObject *	originalObject,
		JnlstPtr	jnlst,
		CouenneCutGenerator *	c,
		CouenneProblem *	p,
		expression *	var,
		int	way,
		CouNumber	brpoint,
		bool	doFBBT,
		bool	doConvCuts
	)