cmat.h

face recognition test source code

#ifndef MATRIX_H
#define MATRIX_H

#define		valtype	float
#define		valtype2	float

#define		MAX_NAME	10

#include "CMemory.h"

class CMatrixSym;
class CVect;
class CDiag;

class CMatrix : public CObject
	{
	protected:
		long col, li;         								/*Number of columns and lines of the matrix*/
		CMemory *pMem;											/*Ptr to a CMemory obj containing the*/
																	/*values : a(1,1) a(1,2) ... a(1,col) ... a(li,col)*/
		valtype *pData;										/*Pointer to the matrix's value if pMem is locked*/
		BOOL bTranspose;										/*tells if the matrix is transposed*/
		BOOL bLocked;											/*tells if pMem is locked */
      CMemory *pMemName;									/*points to a list of string, containing the name of each column vector*/
	
	public:
		CMatrix();
		CMatrix(long l, long c);
		~CMatrix();
		int Save(char *filename);
		int Load(char *filename);
		void Add(CMatrix *pMat2);							/*Add to this matrix the matrix pMat2*/
		void Multiply(CMatrix *pMat1, CMatrix *pMat2, BOOL bResize = FALSE, long lNewRow = 0, long lNewCol = 0);
																	/*Put into this pMat1*pMat2*/
		void Multiply(CDiag *pDiag, BOOL bResize = TRUE);
																	/*Multiply this matrix by the diagonal matrix pDiag*/
		void NormalizeCol();									/*Normalize each column*/
		void OuterProduct(CMatrixSym *pMat);			/*Compute the outer product of pMat*/
		void InnerProduct(CMatrixSym *pMat);			/*Compute the inner product of pMat*/
		void InnerProduct(CMatrix *pMat);				/*Compute the inner product of pMat*/
		void Initialize();									/*Sets all the elements to 0*/
		void SetTranspose(BOOL bTransposet);			/*Set the bTranspose parameter*/
		virtual long GetCol();
		virtual long GetLi();
		virtual void Lock();									/*Lock pMem and validate pData*/
		virtual void Unlock();								/*Unlock pMem and Unvalidate pData*/
		virtual int Eigen(CVect *ev, long leigen);	/*Compute the eigenvectors of this matrix*/
		void Expand(long c, float *scale, float *shift, valtype dest_min, valtype dest_max);
		
		int GetColName(long c, char *str, int len);	/*copy in str the name of the column vector c*/
		int SetColName(long c, char *str);				/*set the name of the column vector c to str*/
		
	public:
		virtual void Allocate(long, long);
		virtual void Allocate();							/*Allocate (or reallocate) the memory*/
																	/*needed by pData; Call the CMemory's Allocate fct*/
	public:
		virtual valtype GetAt(long l, long c);
		virtual void SetAt(long l, long c, valtype value);
	};
	
#endif /*MATRIX_H*/