Define Special Linked Ordered Sets. More...

#include <CbcLinked.hpp>

Inheritance diagram for OsiLink:

Collaboration diagram for OsiLink:

Public Member Functions
	OsiLink ()

	OsiLink (const OsiSolverInterface *solver, int yRow, int yColumn, double meshSize)
	Useful constructor -. More...

	OsiLink (const OsiLink &)

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

OsiLink &	operator= (const OsiLink &rhs)

virtual	~OsiLink ()

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

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

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

virtual void	resetSequenceEtc (int numberColumns, const int *originalColumns)
	Redoes data when sequence numbers change. More...

int	numberLinks () const
	Number of links for each member. More...

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

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

Public Member Functions inherited from OsiSOS
	OsiSOS ()

	OsiSOS (const OsiSolverInterface solver, int numberMembers, const int which, const double *weights, int type=1)
	Useful constructor - which are indices and weights are also given. More...

	OsiSOS (const OsiSOS &)

OsiSOS &	operator= (const OsiSOS &rhs)

virtual	~OsiSOS ()

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

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

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

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

int	sosType () const
	SOS type. More...

int	setType () const
	SOS type. More...

const double *	weights () const
	Array of weights. More...

void	setIntegerValued (bool yesNo)
	Set whether set is integer valued or not. More...

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

void	setNumberMembers (int value)
	Set number of members. More...

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

void	setSosType (int value)
	Set SOS type. More...

double *	mutableWeights () const
	Array of weights. 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	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...

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	resetBounds (const OsiSolverInterface *)
	Reset variable bounds to their original values. 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
double	meshSize_
	data Current increment for y points More...

OsiOneLink *	data_
	Links. More...

int	numberLinks_
	Number of links. More...

int	yRow_
	Row which defines y. More...

int	yColumn_
	Column which defines y. More...

Protected Attributes inherited from OsiSOS
int *	members_
	data More...

double *	weights_
	Weights. More...

int	numberMembers_
	Number of members. More...

int	sosType_
	SOS type. More...

bool	integerValued_
	Whether integer valued. 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 Special Linked Ordered Sets.

New style

members and weights may be stored in SOS object

This is for y and x*f(y) and z*g(y) etc

Definition at line 612 of file CbcLinked.hpp.

Constructor & Destructor Documentation

OsiLink::OsiLink ( )

OsiLink::OsiLink	(	const OsiSolverInterface *	solver,
		int	yRow,
		int	yColumn,
		double	meshSize
	)

Useful constructor -.

OsiLink::OsiLink ( const OsiLink & )

virtual OsiLink::~OsiLink ( )

virtual

Member Function Documentation

virtual OsiObject* OsiLink::clone ( ) const

virtual

Clone.

Reimplemented from OsiSOS.

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

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

virtual

Infeasibility - large is 0.5.

Reimplemented from OsiSOS.

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

virtual

Set bounds to fix the variable at the current (integer) value.

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

Reimplemented from OsiSOS.

virtual OsiBranchingObject* OsiLink::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 OsiSOS.

virtual void OsiLink::resetSequenceEtc	(	int	numberColumns,
		const int *	originalColumns
	)

virtual

Redoes data when sequence numbers change.

Reimplemented from OsiSOS.

int OsiLink::numberLinks ( ) const

inline

Number of links for each member.

Definition at line 658 of file CbcLinked.hpp.

References numberLinks_.

virtual bool OsiLink::canDoHeuristics ( ) const

inlinevirtual

Return true if object can take part in normal heuristics.

Reimplemented from OsiSOS.

Definition at line 665 of file CbcLinked.hpp.

virtual bool OsiLink::boundBranch ( ) const

inlinevirtual

Return true if branch should only bound variables.

Reimplemented from OsiObject.

Definition at line 671 of file CbcLinked.hpp.

Member Data Documentation

double OsiLink::meshSize_

protected

data Current increment for y points

Definition at line 679 of file CbcLinked.hpp.

OsiOneLink* OsiLink::data_

protected

Links.

Definition at line 681 of file CbcLinked.hpp.

int OsiLink::numberLinks_

protected

Number of links.

Definition at line 683 of file CbcLinked.hpp.

Referenced by numberLinks().

int OsiLink::yRow_

protected

Row which defines y.

Definition at line 685 of file CbcLinked.hpp.

int OsiLink::yColumn_

protected

Column which defines y.

Definition at line 687 of file CbcLinked.hpp.

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

/tmp/Dip-0.92.4/Cbc/src/CbcLinked.hpp

Public Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation