---

AbsFTriDiagonalLS.hpp

#ifndef __AbsFTriDiagonalLS_H__
#define __AbsFTriDiagonalLS_H__


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

class AbsFTriDiagonalLS
{
protected:
        
int                                             N;

FTriDiagonalMatrix*             A;
FloatVector*                    x;                                      
 
FloatVector*                    b;                                       

public:
        
AbsFTriDiagonalLS(int asize)
        {
        N=asize;
        
        x= new FloatVector(N);
        b= new FloatVector(N);

        A= new FTriDiagonalMatrix(N);
        }

virtual ~AbsFTriDiagonalLS(){ delete A; delete x; delete b;}

virtual void loadA(FTriDiagonalMatrix* m){ A->load(m); }
virtual void loadMatrix(FloatVector* u1, FloatVector* d1, FloatVector* l1){ A->load(u1,d1,l1); }
virtual void loadX(FloatVector* data){ x->load(data); }
virtual void loadB(FloatVector* data){ b->load(data); }

virtual int size(){ return (3*N-2); }

virtual int getWidth(){ return N; }
virtual int getHeight(){ return N; }

virtual FloatVector* getX(){ return x; }
virtual FloatVector* getB(){ return b; }

virtual FTriDiagonalMatrix* getA(){ return A; }

virtual bool solve()=0;                                                         // SOLVING to define later

virtual bool solve(FloatVector* aX, FloatVector* aB)    // A not changed
        {
        loadX(aX);
        loadB(aB);

        return solve();
        }

virtual bool solve(FTriDiagonalMatrix*  aA, FloatVector* aX, FloatVector* aB)   // new system
        {
        loadA(aA);

        loadX(aX);
        loadB(aB);

        return solve();
        }
        

virtual FloatVector* evaluate(FloatVector* aX, FloatVector* aB)
        {
        solve(aX, aB);

        return getX();
        }

virtual FloatVector* evaluate(FTriDiagonalMatrix* aA, FloatVector* aX, FloatVector* aB)
        {
        solve(aA, aX, aB);

        return getX();
        }
        
virtual void output()
        {
        printf("Linear System\n");
        A->output();
        printf("x: "); x->output();
        printf("b: "); b->output();
        }

virtual void output(FILE* file)
        {
        fprintf(file, "Linear System\n");
        A->output(file);
        fprintf(file, "x: "); x->output(file);
        fprintf(file, "b: "); b->output(file);
        }
};

#endif


         

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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.