// Fig. 8.15: complex1.h// Complex class definition.#ifndef COMPLEX1_H#define COMPLEX1_Husing namespace std;class Complex {public: Complex( double = 0.0, double = 0.0 ); // constructor Complex operator+( const Complex & ) const; // addition Complex operator-( const Complex & ) const; // subtraction Complex operator*( const Complex & ) const; // multiplication friend ostream & operator << (ostream &, const Complex &); friend istream & operator >> (istream &, const Complex &); bool operator == (const Complex &); bool operator != (const Complex &);private: double real; // real part double imaginary; // imaginary part}; // end class Complexostream & operator << (ostream &, const Complex &);istream & operator >> (istream &, const Complex &);#endif/************************************************************************** * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice * * Hall. All Rights Reserved. * * * * DISCLAIMER: The authors and publisher of this book have used their * * best efforts in preparing the book. These efforts include the * * development, research, and testing of the theories and programs * * to determine their effectiveness. The authors and publisher make * * no warranty of any kind, expressed or implied, with regard to these * * programs or to the documentation contained in these books. The authors * * and publisher shall not be liable in any event for incidental or * * consequential damages in connection with, or arising out of, the * * furnishing, performance, or use of these programs. * *************************************************************************/