//------------------------------//
//           COMPLEX.H          //
//         Beloshenko(c)        //
//------------------------------//

//Input-output functions
float InputFloatWithKeyboard();

//Complex class with attributs and metods
class Complex
{
      public:
         //Attributs
         float Real;
         float Imaginary;

         //Operators
         Complex operator+ (const Complex x) const;
         Complex operator- (const Complex x) const;
         Complex operator* (const Complex x) const;
         Complex operator/ (const Complex x) const;

         //Metods
         void Add(Complex x);
         void Sub(Complex x);
         void Mul(Complex x);
         void Div(Complex x);
};


Complex
Complex::operator+ (const Complex x) const
{
       Complex Result;
       Result.Real=this->Real + x.Real;
       Result.Imaginary=this->Imaginary + x.Imaginary;
       return Result;
}

Complex
Complex::operator- (const Complex x) const
{
       Complex Result;
       Result.Real=this->Real - x.Real;
       Result.Imaginary=this->Imaginary - x.Imaginary;
       return Result;
}

Complex
Complex::operator* (const Complex x) const
{
       Complex Result;
       Result.Real=(this->Real)*x.Real -
                   (this->Imaginary)*x.Imaginary;
       Result.Imaginary=(this->Real)*x.Imaginary+
                        (this->Imaginary)*x.Real;
       return Result;
}

Complex
Complex::operator/ (const Complex x) const
{
       Complex Result;
       Result.Real=((this->Real)*x.Real +
                    (this->Imaginary)*x.Imaginary)/
                   (x.Real*x.Real+
                    x.Imaginary*x.Imaginary);
       Result.Imaginary=(x.Real*(this->Imaginary)-
                    x.Imaginary*(this->Real))/
                   (x.Real*x.Real+
                    x.Imaginary*x.Imaginary);
       return Result;
}

void
Complex::Add(Complex x)
{
     Complex Result;
     Result.Real=this->Real;
     Result.Imaginary=this->Imaginary;
     Result=Result+x;
     this->Real=Result.Real;
     this->Imaginary=Result.Imaginary;
}

void
Complex::Sub(Complex x)
{
     Complex Result;
     Result.Real=this->Real;
     Result.Imaginary=this->Imaginary;
     Result=Result-x;
     this->Real=Result.Real;
     this->Imaginary=Result.Imaginary;
}

void
Complex::Mul(Complex x)
{
     Complex Result;
     Result.Real=this->Real;
     Result.Imaginary=this->Imaginary;
     Result=Result*x;
     this->Real=Result.Real;
     this->Imaginary=Result.Imaginary;
}

void
Complex::Div(Complex x)
{
     Complex Result;
     Result.Real=this->Real;
     Result.Imaginary=this->Imaginary;
     Result=Result/x;
     this->Real=Result.Real;
     this->Imaginary=Result.Imaginary;
}