练习

#include <iostream>
#include <cmath>
using namespace std;
class Complex
{public:
  Complex(double a,double b);
  Complex(double c);
  Complex(Complex &p);
  void add(Complex t);
  void show();
  double mod();
  private:
  double real;
  double imaginary;
};
Complex::Complex(double a,double b):real(a),imaginary(b)
{
}
Complex::Complex(double c):real(c)
{
}
Complex::Complex(Complex &p):real(p.real),imaginary(p.imaginary)
{
}
void Complex::add(Complex t)
{real=real+t.real;
    imaginary=imaginary+t.imaginary;
}
void Complex::show()
{     cout<<real<<"+"<<imaginary<<"i"<<endl; 
}
double Complex::mod()
{double m;
     m=sqrt(real*real+imaginary*imaginary);
     return m;
}
int main()
{Complex c1(3,5);
 Complex c2(4.5);
 Complex c3(c1);
 c1.add(c2);
 c1.show();
 cout<<c1.mod();
 return 0;
}

标签：real,show,double,void,练习,Complex,imaginary
来源： https://www.cnblogs.com/AliceMaestra/p/10646208.html