Blis branching strategy default class This class implements a simple default algorithm, betterBranchObject(), for choosing a branching variable. More...

#include <BlisBranchStrategyPseudo.h>

Inheritance diagram for BlisBranchStrategyPseudo:

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Collaboration diagram for BlisBranchStrategyPseudo:

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

	BlisBranchStrategyPseudo (BlisModel *model, int rel)
	Useful Constructor. More...

virtual	~BlisBranchStrategyPseudo ()
	Destructor. More...

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

void	setRelibility (int rel)
	Set relibility. More...

virtual BcpsBranchStrategy *	clone () const
	Clone a brancing strategy. More...

virtual int	betterBranchObject (BcpsBranchObject thisOne, BcpsBranchObject bestSoFar)
	Compare branching object thisOne to bestSoFar. More...

int	createCandBranchObjects (int numPassesLeft, double ub)
	Create a set of candidate branching objects. More...

	BlisBranchStrategyPseudo ()
	Default Constructor. More...

	BlisBranchStrategyPseudo (BlisModel *model, int rel)
	Useful Constructor. More...

virtual	~BlisBranchStrategyPseudo ()
	Destructor. More...

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

void	setRelibility (int rel)
	Set relibility. More...

virtual BcpsBranchStrategy *	clone () const
	Clone a brancing strategy. More...

virtual int	betterBranchObject (BcpsBranchObject thisOne, BcpsBranchObject bestSoFar)
	Compare branching object thisOne to bestSoFar. More...

int	createCandBranchObjects (int numPassesLeft, double ub)
	Create a set of candidate branching objects. More...

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

	BcpsBranchStrategy (BcpsModel *m)
	Useful Constructor. More...

virtual	~BcpsBranchStrategy ()
	Destructor. More...

int	getType ()
	Get type. More...

void	setType (int t)
	Set type. More...

void	setModel (BcpsModel *m)
	Set model. More...

virtual void	clearBest (BcpsModel *model)
	Clear branching strategy environment before starting a new round of selecting the best branch object. More...

virtual BcpsBranchObject *	bestBranchObject ()
	Compare branching objects in branchObjects_. More...

int	getNumBranchObjects ()
	Set/get branching objects. More...

void	getNumBranchObjects (int num)
	Set/get branching objects. More...

BcpsBranchObject **	getBranchObjects ()
	Set/get branching objects. More...

void	setBranchObjects (BcpsBranchObject **obj)
	Set/get branching objects. More...

BcpsBranchObject *	getBestBranchObject ()
	Set/get branching objects. More...

void	setBestBranchObject (BcpsBranchObject *ob)
	Set/get branching objects. More...

Private Member Functions
BlisBranchStrategyPseudo &	operator= (const BlisBranchStrategyPseudo &rhs)
	Illegal Assignment operator. More...

BlisBranchStrategyPseudo &	operator= (const BlisBranchStrategyPseudo &rhs)
	Illegal Assignment operator. More...

Private Attributes
int	relibility_

Additional Inherited Members
Protected Attributes inherited from BcpsBranchStrategy
int	type_
	Type of branching strategy. More...

BcpsModel *	model_
	Pointer to model. More...

int	numBranchObjects_
	Following members are used to store candidate branching objects. More...

BcpsBranchObject **	branchObjects_
	The set of candiate branching objects. More...

BcpsBranchObject *	bestBranchObject_
	Following members are used to store information about best branching object found so far. More...

double	bestChangeUp_
	Change up for best. More...

int	bestNumberUp_
	Number of infeasibilities for up. More...

double	bestChangeDown_
	Change down for best. More...

int	bestNumberDown_
	Number of infeasibilities for down. More...

Detailed Description

Blis branching strategy default class This class implements a simple default algorithm, betterBranchObject(), for choosing a branching variable.

Blis branching strategy.

This class implements pseudocost branching.

Definition at line 41 of file BlisBranchStrategyPseudo.h.

Constructor & Destructor Documentation

BlisBranchStrategyPseudo::BlisBranchStrategyPseudo ( )

inline

Default Constructor.

Definition at line 52 of file BlisBranchStrategyPseudo.h.

BlisBranchStrategyPseudo::BlisBranchStrategyPseudo	(	BlisModel *	model,
		int	rel
	)

inline

Useful Constructor.

Definition at line 55 of file BlisBranchStrategyPseudo.h.

virtual BlisBranchStrategyPseudo::~BlisBranchStrategyPseudo ( )

inlinevirtual

Destructor.

Definition at line 62 of file BlisBranchStrategyPseudo.h.

BlisBranchStrategyPseudo::BlisBranchStrategyPseudo ( const BlisBranchStrategyPseudo & )

Copy constructor.

BlisBranchStrategyPseudo::BlisBranchStrategyPseudo ( )

inline

Default Constructor.

Definition at line 51 of file BlisBranchStrategyPseudo.h.

BlisBranchStrategyPseudo::BlisBranchStrategyPseudo	(	BlisModel *	model,
		int	rel
	)

inline

Useful Constructor.

Definition at line 57 of file BlisBranchStrategyPseudo.h.

virtual BlisBranchStrategyPseudo::~BlisBranchStrategyPseudo ( )

inlinevirtual

Destructor.

Definition at line 64 of file BlisBranchStrategyPseudo.h.

BlisBranchStrategyPseudo::BlisBranchStrategyPseudo ( const BlisBranchStrategyPseudo & )

Copy constructor.

Member Function Documentation

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

private

Illegal Assignment operator.

void BlisBranchStrategyPseudo::setRelibility ( int rel )

inline

Set relibility.

Definition at line 68 of file BlisBranchStrategyPseudo.h.

virtual BcpsBranchStrategy* BlisBranchStrategyPseudo::clone ( ) const

inlinevirtual

Clone a brancing strategy.

Implements BcpsBranchStrategy.

Definition at line 71 of file BlisBranchStrategyPseudo.h.

virtual int BlisBranchStrategyPseudo::betterBranchObject	(	BcpsBranchObject *	thisOne,
		BcpsBranchObject *	bestSoFar
	)

virtual

Compare branching object thisOne to bestSoFar.

If thisOne is better than bestObject, return branching direction(1 or -1), otherwise return 0. If bestSorFar is NULL, then always return branching direction(1 or -1).

Implements BcpsBranchStrategy.

int BlisBranchStrategyPseudo::createCandBranchObjects	(	int	numPassesLeft,
		double	ub
	)

virtual

Create a set of candidate branching objects.

Reimplemented from BcpsBranchStrategy.

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

private

Illegal Assignment operator.

void BlisBranchStrategyPseudo::setRelibility ( int rel )

inline

Set relibility.

Definition at line 70 of file BlisBranchStrategyPseudo.h.

virtual BcpsBranchStrategy* BlisBranchStrategyPseudo::clone ( ) const

inlinevirtual

Clone a brancing strategy.

Implements BcpsBranchStrategy.

Definition at line 73 of file BlisBranchStrategyPseudo.h.

virtual int BlisBranchStrategyPseudo::betterBranchObject	(	BcpsBranchObject *	thisOne,
		BcpsBranchObject *	bestSoFar
	)

virtual

Compare branching object thisOne to bestSoFar.

If thisOne is better than bestObject, return branching direction(1 or -1), otherwise return 0. If bestSorFar is NULL, then always return branching direction(1 or -1).

Implements BcpsBranchStrategy.

int BlisBranchStrategyPseudo::createCandBranchObjects	(	int	numPassesLeft,
		double	ub
	)

virtual

Create a set of candidate branching objects.

Reimplemented from BcpsBranchStrategy.

Member Data Documentation

int BlisBranchStrategyPseudo::relibility_

private

Definition at line 47 of file BlisBranchStrategyPseudo.h.

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

/home/coin/svn-release/Blis-0.94.3/Bcps/examples/Blis/BlisBranchStrategyPseudo.h
/home/coin/svn-release/Blis-0.94.3/Blis/src/BlisBranchStrategyPseudo.h

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation