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
原文：https://www.cnblogs.com/ggwdcs/p/10631615.html