cmat.h

face recognition test source code

#ifndef MATRIX_H
#define MATRIX_H

#define		valtype	float
#define		valtype2	float

#include "CMemory.h"

class CMatrixSym;
class CVect;
class CDiag;

class CMatrix
	{
	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 */
	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);
		
	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*/