C / C++ Code Portfolio

Operator Overloading: Complex Numbers
#ifndef CHRISBERGER_COMPLEX_H
#define CHRISBERGER_COMPLEX_H

#include

using std::ostream;
using std::istream;
namespace ChrisBerger
{
class Complex
{
// prototype for friend << overloader
friend ostream &operator<<(ostream &out, const Complex &value);
// prototype for friend >> overloader
friend istream &operator>>(istream &in, Complex &value);
public:
// constructor with defualt values taking two argumnets
Complex(double real = 0, double imaginary = 0);
// prototype for + operator overloader
Complex operator+(const Complex &other) const;
// prototype for - operator overloader
Complex operator-(const Complex &other) const;
// prototype for == operator overloader
bool operator==(const Complex &other) const;
// prototype for != operator overloader
bool operator!=(const Complex &other) const;
private:
// data members for real and imaginary components
double real, imaginary;
};
}

#endif // !CHRISBERGER_COMPLEX_H

#include "Complex.h"

#include

using std::ostream;
using std::istream;

// constructor taking two double arguments

ChrisBerger::Complex::Complex(double real, double imaginary) : real(real), imaginary(imaginary)
{ }

// + operator overloader

ChrisBerger::Complex ChrisBerger::Complex::operator+(const ChrisBerger::Complex &other) const
{
return Complex(real + other.real, imaginary + other.imaginary);
}

// - operator overloader

ChrisBerger::Complex ChrisBerger::Complex::operator-(const ChrisBerger::Complex &other) const
{