BcpsBranchStrategy Class Reference

Branching strategy specifies: (1) how to select a candidate set of branching objects (2) how to compare two branching objects. More...

#include <BcpsBranchStrategy.h>

Inheritance diagram for BcpsBranchStrategy:

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Collaboration diagram for BcpsBranchStrategy:

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List of all members.

Public Member Functions
	BcpsBranchStrategy ()
	Default Constructor.
	BcpsBranchStrategy (BcpsModel *m)
	Useful Constructor.
virtual	~BcpsBranchStrategy ()
	Destructor.
virtual BcpsBranchStrategy *	clone () const =0
	Clone a branch strategy.
void	setModel (BcpsModel *m)
	Set model.
virtual void	clearBest (BcpsModel *model)
	Clear branching strategy environment before starting a new round of selecting the best branch object.
virtual int	createCandBranchObjects (int numPassesLeft)
	Create a set of candidate branching objects.
virtual int	betterBranchObject (BcpsBranchObject b, BcpsBranchObject bestSoFar)=0
	Compare branching object thisOne to bestSoFar.
virtual int	bestBranchObject ()
	Compare branching objects in branchObjects_.
Protected Attributes
BcpsModel *	model_
	Pointer to model.
Private Member Functions
BcpsBranchStrategy &	operator= (const BcpsBranchStrategy &rhs)
	Disable assignment operator.

int	numBranchObjects_
	Following members are used to store candidate branching objects.
BcpsBranchObject **	branchObjects_
	The set of candiate branching objects.
BcpsBranchObject *	bestBranchObject_
	Following members are used to store information about best branching object found so far.
double	bestChangeUp_
	Change up for best.
int	bestNumberUp_
	Number of infeasibilities for up.
double	bestChangeDown_
	Change down for best.
int	bestNumberDown_
	Number of infeasibilities for down.
int	getNumBranchObjects ()
	Set/get branching objects.
void	getNumBranchObjects (int num)
	Following members are used to store candidate branching objects.
BcpsBranchObject **	getBranchObjects ()
	Following members are used to store candidate branching objects.
void	setBranchObjects (BcpsBranchObject **obj)
	Following members are used to store candidate branching objects.
BcpsBranchObject *	getBestBranchObject ()
	Following members are used to store candidate branching objects.
void	setBestBranchObject (BcpsBranchObject *ob)
	Following members are used to store candidate branching objects.

Detailed Description

Branching strategy specifies: (1) how to select a candidate set of branching objects (2) how to compare two branching objects.

Definition at line 39 of file BcpsBranchStrategy.h.

Constructor & Destructor Documentation

BcpsBranchStrategy::BcpsBranchStrategy ( ) [inline]

Default Constructor.

Definition at line 80 of file BcpsBranchStrategy.h.

BcpsBranchStrategy::BcpsBranchStrategy ( BcpsModel * m ) [inline]

Useful Constructor.

Definition at line 92 of file BcpsBranchStrategy.h.

virtual BcpsBranchStrategy::~BcpsBranchStrategy ( ) [inline, virtual]

Destructor.

Definition at line 104 of file BcpsBranchStrategy.h.

Member Function Documentation

BcpsBranchStrategy& BcpsBranchStrategy::operator= ( const BcpsBranchStrategy & rhs ) [private]

Disable assignment operator.

Reimplemented in BlisBranchStrategyPseudo, BlisBranchStrategyRel, BlisBranchStrategyStrong, BlisBranchStrategyMaxInf, BlisBranchStrategyPseudo, BlisBranchStrategyRel, and BlisBranchStrategyStrong.

virtual BcpsBranchStrategy* BcpsBranchStrategy::clone ( ) const [pure virtual]

Clone a branch strategy.

Implemented in BlisBranchStrategyPseudo, BlisBranchStrategyRel, BlisBranchStrategyStrong, BlisBranchStrategyMaxInf, BlisBranchStrategyPseudo, BlisBranchStrategyRel, and BlisBranchStrategyStrong.

void BcpsBranchStrategy::setModel ( BcpsModel * m ) [inline]

Set model.

Definition at line 115 of file BcpsBranchStrategy.h.

int BcpsBranchStrategy::getNumBranchObjects ( ) [inline]

Set/get branching objects.

Definition at line 119 of file BcpsBranchStrategy.h.

void BcpsBranchStrategy::getNumBranchObjects ( int num ) [inline]