Computer Science c++ help comment code please. Complex has multiple parameters to overload i think. class Complex { public: Complex(); //There are no parameters because... Complex(double); //There is one parameter because... Complex(double, double);//There are two parameters because... double get_Real(); void set_Real(double); double get_Imaginary(); void set_Imaginary(double); friend ostream& operator << (ostream& out, Complex& r); //explain friend istream& operator >> (istream& in, Complex& r);//explain private: double real; double imaginary; }; ostream& operator << (ostream& out, Complex& r) // { double a = r.get_Real(); double b = r.get_Imaginary(); if (a != 0)out << a; if (b < 0) out << "-" << abs(b) << "i"; if (b > 0 && b != 1) out << "+" << b << "i"; if (b == 0) out << "0"; if (b == 1 && a != 0) out << "+" << "i"; if (b == 1 && a == 0) out << "i"; return out; } istream& operator >> (istream& in, Complex& r) // { double a, b; char plus, i; in >> a; in >> plus; in >> b; in >> i; if (plus != '+' && plus != '-') { cout << "No plus or minus found " << endl; } if (i != 'i') { cout << "no i found " << endl; } r.set_Real(a); r.set_Imaginary(b); return in; }

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Computer Science

c++ help comment code please.

Complex has multiple parameters to overload i think.

class Complex
{
public:
   Complex(); //There are no parameters because...
   Complex(double); //There is one parameter because...
   Complex(double, double);//There are two parameters because...
   double get_Real();
   void set_Real(double);
   double get_Imaginary();
   void set_Imaginary(double);
   friend ostream& operator << (ostream& out, Complex& r); //explain
   friend istream& operator >> (istream& in, Complex& r);//explain
private:
   double real;
   double imaginary;
};

ostream& operator << (ostream& out, Complex& r) //
{
double a = r.get_Real();
double b = r.get_Imaginary();

if (a != 0)out << a;

   if (b < 0) out << "-" << abs(b) << "i";
   if (b > 0 && b != 1) out << "+" << b << "i";
   if (b == 0) out << "0";
   if (b == 1 && a != 0) out << "+" << "i";
   if (b == 1 && a == 0) out << "i";
   return out;
}

istream& operator >> (istream& in, Complex& r) //
{
   double a, b;
   char plus, i;
   in >> a;
   in >> plus;
   in >> b;
   in >> i;
   if (plus != '+' && plus != '-')
   {
       cout << "No plus or minus found " << endl;
   }
   if (i != 'i')
   {
       cout << "no i found " << endl;
   }
   r.set_Real(a);
   r.set_Imaginary(b);
   return in;
}

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