12vii.h

C/C++程序设计导论（第二版）》程序源文件

// complex3.h  New and Improved Complex class with construc-
//	tors and overloaded arithmetic operators 

class Complex
{ public :			
	Complex () { };					// default constructor
	Complex (float initreal, float initimag);					// constructor
	void InputC (istream& in);					// input a complex number
	void OutputC (ostream& out);					// output a complex number
	Complex operator+ (Complex x);					// add two complex numbers
	Complex operator- (Complex x);					// sub two complex numbers
	Complex operator* (Complex x);					// mult two complex numbers
  private:  float real, imag;						// private attributes.
};
ostream& operator << (ostream& out, Complex x);
istream& operator >> (istream& in, Complex& x);