---

F_U.hpp

#ifndef __F_U_H__
#define __F_U_H__

#include <stdio.h>
#include "FloatVector.hpp"

#include "AFSymMatrix.hpp"


class F_U : public AFSymMatrix
{
private:

float**         data;

public:
        
F_U(int n, float value=0.0);
F_U(const F_U& m);
F_U operator=(const F_U& m);

virtual ~F_U();

virtual AFSymMatrix* copyAnn();
virtual AFloatMatrix* copy();
virtual AFloatMatrix* t(AFloatMatrix* t=0){ return 0;}

// base 0
virtual void set0(int i, int j, float value);
virtual float get0(int i, int j);

// base 1
virtual void set(int i, int j, float value){ set0(i-1, j-1, value); }
virtual float get(int i, int j){ return get0(i-1, j-1); }

// computations
virtual void setAll(float value=0.0);

virtual float det();
virtual float trace();

virtual float norme2();
virtual float normeF();         // Frobenuis norme= trace(At*A)
virtual float norme1();
virtual float normeInf();

virtual float sum();
virtual float sum2();

virtual float minimum();
virtual float maximum();
virtual float sigma();

// math vectorial op
F_U sqrt();
F_U pow(float pow);
F_U sqr();
F_U exp();
F_U log();
F_U log(float base);

F_U sin();
F_U cos();
F_U tan();      

// scalar single operations
void operator+=(float value);
void operator-=(float value);
void operator*=(float value);
void operator/=(float value);

virtual void add(float value);
virtual void subst(float value);
virtual void mult(float value);
virtual void div(float value);

// vector single operations
void operator+=(F_U& m);
void operator-=(F_U& m);

// U*x=b <==> 
virtual FloatVector* solve(FloatVector* b, FloatVector* x=0); 

// u= A*v including implicit transposition
virtual FloatVector* mult_Av(FloatVector* v, FloatVector* result=0);
virtual FloatVector* mult_ATv(FloatVector* v, FloatVector* result=0);
// u= v*A
virtual FloatVector* mult_vA(FloatVector* v, FloatVector* result=0)     { return mult_ATv(v, result); }
virtual FloatVector* mult_vAT(FloatVector* vt, FloatVector* result=0){ return mult_Av(vt, result); }

// sub vector usage
// u= A*v
FloatVector* mult_Av(FloatVector* v, int col0, int row0, bool incremental=false, FloatVector* result=0);
FloatVector* mult_ATv(FloatVector* v, int col0, int row0, bool incremental=false, FloatVector* result=0);
// u= v*A
FloatVector* mult_vA(FloatVector* v, int row0, int col0, bool incremental=false, FloatVector* result=0)
                        { return mult_ATv(v, col0, row0, incremental, result); }
FloatVector* mult_vAT(FloatVector* vt, int row0, int col0, bool incremental=false, FloatVector* result=0)
                        { return mult_Av(vt, col0, row0, incremental, result); }


// direct inversion U
AFSymMatrix* invert();          // Uinv = U^-1

virtual void add(AFloatMatrix& M);
virtual void subst(AFloatMatrix& M);
};

#endif

 

Restoreinpaint sourceforge project `C++/Java Image Processing, Restoration, Inpainting Project'.

Bernard De Cuyper: Open Project Leader: Concept, design and development. Bernard De Cuyper & Eddy Fraiha 2002, 2003. Bernard De Cuyper 2004. Open and free, for friendly usage only. Modifications on Belgium ground of this piece of artistic work, by governement institutions or companies, must be notified to Bernard De Cuyper.