/*****************************************************************/
/**			       												**/
/**	Art1.h 														**/
/**		Headder file for Art1 models							**/
/**																**/
/**						Takehisa Tanaka							**/
/**						M.R.I.T.								**/
/**			           revised	2/2000							**/ 
/*****************************************************************/

class Comparison : public NslModule
{
public:
	NslDinInt1 in;	// input pattern
	NslDinInt1 s;		// input pattern to F2
	NslDoutInt1 x;	// activity and topdown output pattern from F2 
private:
	NslFloat1 v;		// top-down template, or learned expectation 
	NslFloat2 w;		// LTM weights from F2 to F1 
		
	NslFloat0 rho;		// vigilance parameter 
	int active; 		// No. of an activated unit 
	int resetActive;	// reset computation in F1
	
// Functions: I think it is unnecessary to explain each function, as a
// Japanese proverb says "Name shows body".
public:
	Comparison(char*,NslModule*,int,int);
	~Comparison() {}

	void 	initSys();
	void 	initTrain();
	void 	simTrain();
	void 	endTrain();
};

class Recognition : public NslModule
{

public:
	NslDinInt1 in;	// input pattern
	NslDinInt1 s;	// input pattern to F2
	NslDoutInt1 x;	// activity and output pattern from F1
private:
	NslFloat1 v;	// top-down template, or learned expectation
	NslFloat2 w;	// LTM weights from F1 to F2
		
	NslInt1 resetY; // list of reset units in F2

	NslFloat0 rho;	// vigilance parameter
	NslFloat0 l;	// constant on initializing bottom-up LTM traces
	int active; 	// No. of an activated unit
	
// Functions: I think it is unnecessary to explain each function, as a
// Japanese proverb says "Name shows body".
public:
	Recognition(char*,NslModule*,int,int);
	~Recognition() {}

	void 	initSys();
	void 	initTrain();
	void 	simTrain();
	void 	endTrain();
};

class Art : public NslModule
{
public:
	Comparison f1;
	Recognition f2;
	
private:
	NslDoutInt1 in;
	NslDinInt1 x;

	NslInt2 matI;
	NslInt2 matX;
	
public: 
	Art(char*, NslModule*,int,int,int,int);
	~Art(){}
	
	void makeConn();
	void initTrain();
	void endTrain();
};

class ArtModel : public NslModel
{
	Art art;
public:
	ArtModel();
	~ArtModel() {}
};

// These functions are in artLib.C.
extern float	uniform_random(float, float);
extern int		vector_matrix(NslInt1&,NslInt2&);
extern int		matrix_vector(NslInt2&,NslInt1&);