复数类联系

	double mod;
	mod = sqrt(r*r + i * i);
	return mod;
}
int main()
{
	double result;
	Complex c1(3, 5);
	Complex c2(4.5);
	Complex c3(c1);
	c1.add(c2);
	c1.show();
	result = c3.mod();
	cout << result << endl;
	system("pause");
	return 0;

}

　　

cpp关于类的运用和实践