Define a single variable class which is involved with OsiBiLinear objects. More...

#include <CbcLinked.hpp>

Inheritance diagram for OsiUsesBiLinear:

Collaboration diagram for OsiUsesBiLinear:

Public Member Functions
	OsiUsesBiLinear ()
	Default Constructor. More...

	OsiUsesBiLinear (const OsiSolverInterface *solver, int iColumn, int type)
	Useful constructor - passed solver index. More...

	OsiUsesBiLinear (int iColumn, double lower, double upper, int type)
	Useful constructor - passed solver index and original bounds. More...

	OsiUsesBiLinear (const OsiSimpleInteger &rhs, int type)
	Useful constructor - passed simple integer. More...

	OsiUsesBiLinear (const OsiUsesBiLinear &rhs)
	Copy constructor. More...

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

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

virtual	~OsiUsesBiLinear ()
	Destructor. More...

virtual double	infeasibility (const OsiBranchingInformation *info, int &whichWay) const
	Infeasibility - large is 0.5. More...

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

virtual double	feasibleRegion (OsiSolverInterface solver, const OsiBranchingInformation info) const
	Set bounds to fix the variable at the current value. More...

void	addBiLinearObjects (OsiSolverLink *solver)
	Add all bi-linear objects. More...

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

	OsiSimpleInteger (const OsiSolverInterface *solver, int iColumn)
	Useful constructor - passed solver index. More...

	OsiSimpleInteger (int iColumn, double lower, double upper)
	Useful constructor - passed solver index and original bounds. More...

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

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

virtual	~OsiSimpleInteger ()
	Destructor. More...

void	setColumnNumber (int value)
	Set solver column number. More...

virtual int	columnNumber () const
	Column number if single column object -1 otherwise, so returns >= 0 Used by heuristics. More...

double	originalLowerBound () const
	Original bounds. More...

void	setOriginalLowerBound (double value)

double	originalUpperBound () const

void	setOriginalUpperBound (double value)

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

virtual void	resetSequenceEtc (int numberColumns, const int *originalColumns)
	Change column numbers after preprocessing. 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 bool	canHandleShadowPrices () const
	Return true if knows how to deal with Pseudo Shadow Prices. More...

Public Member Functions inherited from OsiObject2
	OsiObject2 ()
	Default Constructor. More...

	OsiObject2 (const OsiObject2 &)
	Copy constructor. More...

OsiObject2 &	operator= (const OsiObject2 &rhs)
	Assignment operator. More...

virtual	~OsiObject2 ()
	Destructor. More...

void	setPreferredWay (int value)
	Set preferred way of branching - -1 off, 0 down, 1 up (for 2-way) More...

virtual int	preferredWay () const
	Get preferred way of branching - -1 off, 0 down, 1 up (for 2-way) 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 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 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...

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...

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 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	numberBiLinear_
	data Number of bilinear objects (maybe could be more general) More...

int	type_
	Type of variable - 0 continuous, 1 integer. More...

OsiObject **	objects_
	Objects. More...

Protected Attributes inherited from OsiSimpleInteger
double	originalLower_
	data Original lower bound More...

double	originalUpper_
	Original upper bound. More...

int	columnNumber_
	Column number in solver. More...

Protected Attributes inherited from OsiObject2
int	preferredWay_
	Preferred way of branching - -1 off, 0 down, 1 up (for 2-way) More...

double	otherInfeasibility_
	"Infeasibility" on other way 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 a single variable class which is involved with OsiBiLinear objects.

This is used so can make better decision on where to branch as it can look at all objects.

This version sees if it can re-use code from OsiSimpleInteger even if not an integer variable. If not then need to duplicate code.

Definition at line 1176 of file CbcLinked.hpp.

Constructor & Destructor Documentation

OsiUsesBiLinear::OsiUsesBiLinear ( )

Default Constructor.

OsiUsesBiLinear::OsiUsesBiLinear	(	const OsiSolverInterface *	solver,
		int	iColumn,
		int	type
	)

Useful constructor - passed solver index.

OsiUsesBiLinear::OsiUsesBiLinear	(	int	iColumn,
		double	lower,
		double	upper,
		int	type
	)

Useful constructor - passed solver index and original bounds.

OsiUsesBiLinear::OsiUsesBiLinear	(	const OsiSimpleInteger &	rhs,
		int	type
	)

Useful constructor - passed simple integer.

OsiUsesBiLinear::OsiUsesBiLinear ( const OsiUsesBiLinear & rhs )

Copy constructor.

virtual OsiUsesBiLinear::~OsiUsesBiLinear ( )

virtual

Destructor.

Member Function Documentation

virtual OsiObject* OsiUsesBiLinear::clone ( ) const

virtual

Clone.

Reimplemented from OsiSimpleInteger.

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

Assignment operator.

virtual double OsiUsesBiLinear::infeasibility	(	const OsiBranchingInformation *	info,
		int &	whichWay
	)		const

virtual

Infeasibility - large is 0.5.

Reimplemented from OsiSimpleInteger.

virtual OsiBranchingObject* OsiUsesBiLinear::createBranch	(	OsiSolverInterface *	solver,
		const OsiBranchingInformation *	info,
		int	way
	)		const

virtual

Creates a branching object.

The preferred direction is set by way, 0 for down, 1 for up.

Reimplemented from OsiSimpleInteger.

virtual double OsiUsesBiLinear::feasibleRegion	(	OsiSolverInterface *	solver,
		const OsiBranchingInformation *	info
	)		const

virtual

Set bounds to fix the variable at the current value.

Given an current value, set the lower and upper bounds to fix the variable. Returns amount it had to move variable.

Reimplemented from OsiSimpleInteger.

void OsiUsesBiLinear::addBiLinearObjects ( OsiSolverLink * solver )

Add all bi-linear objects.

Member Data Documentation

int OsiUsesBiLinear::numberBiLinear_

protected

data Number of bilinear objects (maybe could be more general)

Definition at line 1227 of file CbcLinked.hpp.

int OsiUsesBiLinear::type_

protected

Type of variable - 0 continuous, 1 integer.

Definition at line 1229 of file CbcLinked.hpp.

OsiObject** OsiUsesBiLinear::objects_

protected

Objects.

Definition at line 1231 of file CbcLinked.hpp.

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

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

Public Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation