#ifndef COMPLEX_H
#define COMPLEX_H

/* Collaborating Class Declarations */

/* Base Class Headers */

/* C++ Headers */
#include <iostream>
using namespace std;

/* ====================================================================== */

/* Class Complex Interface */

class Complex{

  public:
    Complex(const double& re=0, const double& im=0) ;
    //Complex(double re=0, double im=0) ;
    double re() const;
    double im() const;
    double mod() const;
    double mod2() const;
    Complex coniugate() const;
    Complex inverse() const;
  private:
    double theReal, theImag;
};
//somma
Complex operator+(const Complex& lhs, const Complex& rhs) ;
// prodotto
Complex operator*(const Complex& lhs, const Complex& rhs) ;


// opposto: potrebbe essere dentro la classe
Complex operator-(const Complex& lhs);
// differenza
Complex operator-(const Complex& lhs, const Complex& rhs) ;
// divisione
Complex operator/(const Complex& lhs, const Complex& rhs) ;

ostream& operator<<(ostream& out, const Complex& rhs) ;

istream& operator>>(istream& pippo, Complex& o) ;
#endif // COMPLEX_H