class CBNSSeparator : public CBNSCliqueBase

This class defines the Separator data structure in the Bayesian network

Inheritance:

Public Fields

static int

m_nCounter This variable is used to check for the memory leak in the program

Public Methods

void	CreatePotential () Creates Potential table for the separator ie
void	CalculateUpdateRatio (CBNSProbVector& vProbVector) Calculates the UpdateRatio and returns the value in vProbVector

Public

	Constructors and Destructor CBNSSeparator () Default Construtor CBNSSeparator (CBNSClique* pSourceClique, CBNSClique* pSinkClique) Constructor with pointers to source clique and sink clique virtual ~CBNSSeparator () Destructor
	Out Functions CBNSClique* GetSourceClique () Returns a pointer to the source clique CBNSClique* GetSinkClique () Returns a pointer to the sink clique CBNSProbVector GetUpdateRatio () Returns the Update Ratio
	In Functions void SetSourceClique (CBNSClique* pSourceClique) Sets the source clique to pSourceClique void SetSinkClique (CBNSClique* pSinkClique) Sets the sink clique to pSinkClique

Private

Private Member Variables CBNSClique* m_pSourceClique pointer to the source clique CBNSClique* m_pSinkClique pointer to the sink clique

Inherited from CBNSCliqueBase:

Public

Constructor and Destrutor

CBNSCliqueBase()

Default Constructor

virtual ~CBNSCliqueBase()

Destructor

Update Functions

void AddNode(CBNSNode * pNode)

Adds a node to the Clique/Separator

void AddNodeSet(CBNSSet<CBNSNode*> nodeSet)

Adds a node set to the Clique/Separator

void AddProbNode(CBNSNode *pNode)

Adds a Probability node to the Clique/Separator

void RemoveNode(CBNSNode * pNode)

Removes a node from the Clique/Separator

void RemoveNodeSet(CBNSSet<CBNSNode*> nodeSet)

Removes a node set from the Clique/Separator

Computation of Marginal Distributions

CBNSProbVector ComputeMarginal(CBNSSet<CBNSNode*>& cNodeSet)

Computes the Marginal Distribution

CBNSProbVector ComputeBeliefVector(CBNSNode* pNode)

Computes the Belief Vector of pNode and returns the values in a CBNSProbVector

Other Utility Functions

void UpdateClique()

Updates the Clique/Separator

void UpdatePriorProbability()

Updates the prior probability table

void PrintNodeProbabilities()

Prints the node probabilities to the console

void PrintPotentialTable()

Prints the potential table of the Clique/Separator

Protected

Protected Member Variables

CBNSProbVector m_cPotentialTable

Potential Table

CBNSProbVector m_cPriorProbability

Prior Probability

CBNSProbVector m_cUpdateRatio

Update Ratio

CBNSSet <CBNSNode*> m_cNodes

CBNSSet of Pointers to Nodes

static int m_nCounter

This variable is used to check for the memory leak in the program

Constructors and Destructor

CBNSSeparator()

Default Construtor

CBNSSeparator(CBNSClique* pSourceClique, CBNSClique* pSinkClique)

Constructor with pointers to source clique and sink clique

Parameters:

pSourceClique - a pointer to the source clique
pSinkClique - a pointer to the sink clique

virtual ~CBNSSeparator()

Destructor

Out Functions

CBNSClique* GetSourceClique()

Returns a pointer to the source clique

Returns:

a pointer to CBNSClique

CBNSClique* GetSinkClique()

Returns a pointer to the sink clique

Returns:

a pointer to CBNSClique

CBNSProbVector GetUpdateRatio()

Returns the Update Ratio

Returns:

CBNSProbVecto

In Functions

void SetSourceClique(CBNSClique* pSourceClique)

Sets the source clique to pSourceClique

Parameters:

pSourceClique - a pointer to source clique

void SetSinkClique(CBNSClique* pSinkClique)

Sets the sink clique to pSinkClique

Parameters:

pSinkClique - a pointer to sink clique

void CreatePotential()

Creates Potential table for the separator ie., initializes all the elements to in the table to 1

void CalculateUpdateRatio(CBNSProbVector& vProbVector)

Calculates the UpdateRatio and returns the value in vProbVector

Parameters:

vProbVector - a reference to CBNSProbVector

Private Member Variables

CBNSClique* m_pSourceClique

pointer to the source clique

CBNSClique* m_pSinkClique

pointer to the sink clique

This class has no child classes.

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