pzpolynomial.h

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#ifndef TPZPOLYNOMIAL_H
#define TPZPOLYNOMIAL_H

#include <iostream>
#include <cmath>

#include "pzvec.h"
#include "pznumeric.h"

class TPZPolynomial {
public:
    TPZPolynomial();
                
    TPZPolynomial(const TPZVec<REAL> &coef, const REAL &tol);
                
    TPZPolynomial(const TPZVec<REAL> &coef);
                
    void SetTolerance(const REAL &tol);
                
    void GetTolerance(REAL & tol);
                
    void SetCoef(const REAL &c0, const REAL &c1, const REAL &c2, const REAL &c3);
                
    void SetCoef(const TPZVec<REAL> &coef);
                
    int GetRoots(const TPZVec<REAL> &coef, TPZVec<REAL> &r);
                
    int GetRoots(TPZVec<REAL> &r);
                
    int Tartaglia(const TPZVec<REAL> &coef, TPZVec<REAL> &real, REAL &imagem);
                
private:
    int SetRoots();
                
    REAL fTolerance;
                
    TPZVec <REAL> fCo;
                
    TPZVec <REAL> fReal;
    REAL fImagem;
};

#endif