Define an n-way class for variables. More...

#include <CbcNWay.hpp>

Inheritance diagram for CbcNWay:

Collaboration diagram for CbcNWay:

Public Member Functions
	CbcNWay ()

	CbcNWay (CbcModel model, int numberMembers, const int which, int identifier)
	Useful constructor (which are matrix indices) More...

	CbcNWay (const CbcNWay &)

virtual CbcObject *	clone () const
	Clone. More...

CbcNWay &	operator= (const CbcNWay &rhs)
	Assignment operator. More...

virtual	~CbcNWay ()
	Destructor. More...

void	setConsequence (int iColumn, const CbcConsequence &consequence)
	Set up a consequence for a single member. More...

void	applyConsequence (int iSequence, int state) const
	Applies a consequence for a single member. More...

virtual double	infeasibility (const OsiBranchingInformation *info, int &preferredWay) const
	Infeasibility - large is 0.5 (and 0.5 will give this) More...

virtual void	feasibleRegion ()
	This looks at solution and sets bounds to contain solution. More...

virtual CbcBranchingObject *	createCbcBranch (OsiSolverInterface solver, const OsiBranchingInformation info, int way)
	Creates a branching object. More...

int	numberMembers () const
	Number of members. More...

const int *	members () const
	Members (indices in range 0 ... numberColumns-1) More...

virtual void	redoSequenceEtc (CbcModel model, int numberColumns, const int originalColumns)
	Redoes data when sequence numbers change. More...

Public Member Functions inherited from CbcObject
	CbcObject ()

	CbcObject (CbcModel *model)

	CbcObject (const CbcObject &)

CbcObject &	operator= (const CbcObject &rhs)

virtual	~CbcObject ()
	Destructor. More...

virtual double	infeasibility (int &) const

virtual double	feasibleRegion (OsiSolverInterface solver, const OsiBranchingInformation info) const
	Dummy one for compatibility. More...

virtual double	feasibleRegion (OsiSolverInterface *solver) const
	For the variable(s) referenced by the object, look at the current solution and set bounds to match the solution. More...

virtual OsiBranchingObject *	createBranch (OsiSolverInterface , const OsiBranchingInformation , int) const
	Create a branching object and indicate which way to branch first. More...

virtual OsiBranchingObject *	createOsiBranch (OsiSolverInterface solver, const OsiBranchingInformation info, int way) const
	Create an Osibranching object and indicate which way to branch first. More...

virtual OsiSolverBranch *	solverBranch () const
	Create an OsiSolverBranch object. More...

virtual CbcBranchingObject *	preferredNewFeasible () const
	Given a valid solution (with reduced costs, etc.), return a branching object which would give a new feasible point in a good direction. More...

virtual CbcBranchingObject *	notPreferredNewFeasible () const
	Given a valid solution (with reduced costs, etc.), return a branching object which would give a new feasible point in a bad direction. More...

virtual void	resetBounds (const OsiSolverInterface *)
	Reset variable bounds to their original values. More...

virtual void	floorCeiling (double &floorValue, double &ceilingValue, double value, double tolerance) const
	Returns floor and ceiling i.e. More...

virtual CbcObjectUpdateData	createUpdateInformation (const OsiSolverInterface solver, const CbcNode node, const CbcBranchingObject *branchingObject)
	Pass in information on branch just done and create CbcObjectUpdateData instance. More...

virtual void	updateInformation (const CbcObjectUpdateData &)
	Update object by CbcObjectUpdateData. More...

int	id () const
	Identifier (normally column number in matrix) More...

void	setId (int value)
	Set identifier (normally column number in matrix) but 1000000000 to 1100000000 means optional branching object i.e. More...

bool	optionalObject () const
	Return true if optional branching object i.e. More...

int	position () const
	Get position in object_ list. More...

void	setPosition (int position)
	Set position in object_ list. More...

void	setModel (CbcModel *model)
	update model More...

CbcModel *	model () const
	Return model. More...

int	preferredWay () const
	If -1 down always chosen first, +1 up always, 0 normal. More...

void	setPreferredWay (int value)
	Set -1 down always chosen first, +1 up always, 0 normal. More...

virtual void	initializeForBranching (CbcModel *)
	Initialize for branching. More...

Public Member Functions inherited from OsiObject
	OsiObject ()
	Default Constructor. More...

	OsiObject (const OsiObject &)
	Copy constructor. More...

OsiObject &	operator= (const OsiObject &rhs)
	Assignment operator. More...

virtual	~OsiObject ()
	Destructor. More...

double	infeasibility (const OsiSolverInterface *solver, int &whichWay) const
	Infeasibility of the object. More...

virtual double	checkInfeasibility (const OsiBranchingInformation *info) const

virtual bool	canDoHeuristics () const
	Return true if object can take part in normal heuristics. More...

virtual bool	canMoveToNearest () const
	Return true if object can take part in move to nearest heuristic. More...

virtual int	columnNumber () const
	Column number if single column object -1 otherwise, Used by heuristics. More...

int	priority () const
	Return Priority - note 1 is highest priority. More...

void	setPriority (int priority)
	Set priority. More...

virtual bool	boundBranch () const
	Return true if branch should only bound variables. More...

virtual bool	canHandleShadowPrices () const
	Return true if knows how to deal with Pseudo Shadow Prices. More...

int	numberWays () const
	Return maximum number of ways branch may have. More...

void	setNumberWays (int numberWays)
	Set maximum number of ways branch may have. More...

void	setWhichWay (int way)
	Return preferred way to branch. More...

int	whichWay () const
	Return current preferred way to branch. More...

double	infeasibility () const
	Return infeasibility. More...

virtual double	upEstimate () const
	Return "up" estimate (default 1.0e-5) More...

virtual double	downEstimate () const
	Return "down" estimate (default 1.0e-5) More...

virtual void	resetSequenceEtc (int, const int *)
	Change column numbers after preprocessing. More...

virtual void	updateBefore (const OsiObject *)
	Updates stuff like pseudocosts before threads. More...

virtual void	updateAfter (const OsiObject , const OsiObject )
	Updates stuff like pseudocosts after threads finished. More...

Protected Attributes
int	numberMembers_
	data Number of members More...

int *	members_
	Members (indices in range 0 ... numberColumns-1) More...

CbcConsequence **	consequence_
	Consequences (normally NULL) More...

Protected Attributes inherited from CbcObject
CbcModel *	model_
	data More...

int	id_
	Identifier (normally column number in matrix) More...

int	position_
	Position in object list. More...

int	preferredWay_
	If -1 down always chosen first, +1 up always, 0 normal. More...

Protected Attributes inherited from OsiObject
double	infeasibility_
	data More...

short	whichWay_
	Computed preferred way to branch. More...

short	numberWays_
	Maximum number of ways on branch. More...

int	priority_
	Priority. More...

Detailed Description

Define an n-way class for variables.

Only valid value is one at UB others at LB Normally 0-1

Definition at line 15 of file CbcNWay.hpp.

Constructor & Destructor Documentation

CbcNWay::CbcNWay ( )

CbcNWay::CbcNWay	(	CbcModel *	model,
		int	numberMembers,
		const int *	which,
		int	identifier
	)

Useful constructor (which are matrix indices)

CbcNWay::CbcNWay ( const CbcNWay & )

virtual CbcNWay::~CbcNWay ( )

virtual

Destructor.

Member Function Documentation

virtual CbcObject* CbcNWay::clone ( ) const

virtual

Clone.

Implements CbcObject.

CbcNWay& CbcNWay::operator= ( const CbcNWay & rhs )

Assignment operator.

void CbcNWay::setConsequence	(	int	iColumn,
		const CbcConsequence &	consequence
	)

Set up a consequence for a single member.

void CbcNWay::applyConsequence	(	int	iSequence,
		int	state
	)		const

Applies a consequence for a single member.

virtual double CbcNWay::infeasibility	(	const OsiBranchingInformation *	info,
		int &	preferredWay
	)		const

virtual

Infeasibility - large is 0.5 (and 0.5 will give this)

Reimplemented from CbcObject.

virtual void CbcNWay::feasibleRegion ( )

virtual

This looks at solution and sets bounds to contain solution.

Implements CbcObject.

virtual CbcBranchingObject* CbcNWay::createCbcBranch	(	OsiSolverInterface *	solver,
		const OsiBranchingInformation *	info,
		int	way
	)

virtual

Creates a branching object.

Reimplemented from CbcObject.

int CbcNWay::numberMembers ( ) const

inline

Number of members.

Definition at line 56 of file CbcNWay.hpp.

const int* CbcNWay::members ( ) const

inline

Members (indices in range 0 ... numberColumns-1)

Definition at line 62 of file CbcNWay.hpp.

virtual void CbcNWay::redoSequenceEtc	(	CbcModel *	model,
		int	numberColumns,
		const int *	originalColumns
	)

virtual

Redoes data when sequence numbers change.

Reimplemented from CbcObject.

Member Data Documentation

int CbcNWay::numberMembers_

protected

data Number of members

Definition at line 72 of file CbcNWay.hpp.

int* CbcNWay::members_

protected

Members (indices in range 0 ... numberColumns-1)

Definition at line 75 of file CbcNWay.hpp.

CbcConsequence** CbcNWay::consequence_

protected

Consequences (normally NULL)

Definition at line 77 of file CbcNWay.hpp.

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

/tmp/Cbc-2.10.5/Cbc/src/CbcNWay.hpp

Public Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation