任务一

 1 #include <iostream>
 2 #include<math.h>
 3 #include"Complex.h"
 4 using namespace std;
 5 Complex::string doc={"a simple class"};
 6 
 7 Complex::Complex(double r=0,double i=0):real(r),imag(i){}
 8 Complex::Complex(const Complex& c):real(c.real),imag(c.imag){};
 9 
10 Complex Complex::add(const Complex& c1,const Complex &c2);
11 {
12     Complex c3;
13     c3.real=c1.real+c2.real;
14     c3.imag=c1.imag+c2.imag;
15     return c3;
16 }
17 Complex::Complex(double r=0,double i=0):real(r),imag(i){}
18 Complex::Complex(const Complex& c):real(c.real),imag(c.imag){};
19 double Complex::get_real();
20 {
21     return real;
22 }
23     double Complex::get_imag();
24     {
25     return imag;
26     }
27     Complex Complex::add(const Complex& c);
28     {
29         Complex c2;
30         c2.real=real+c.real;
31         c2.imag=imag+c.imag;
32         return c2;
33     }
34     Complex Complex::add(const Complex& c1,const Complex &c2);
35     {
36         Complex c3;
37         c3.real=c2.real+c1.real;
38         c3.imag=c2.imag+c1.imag;
39         return c3;
40     }
41     bool Complex::is_equal(const Complex&c1,const Complex&c2);
42     {
43         if(c1.real==c2.real)
44          if(c1.imag==c2.imag)return true;
45          
46         return false; 
47     }
48     bool Complex::is_not_equal(const Complex&c1,const Complex&c2);
49     {
50         if(is_equal())return false;
51         
52         return true;
53     }
54     void Complex::output(const Complex&c1,const Complex&c2);
55     {
56         cout<<real<<"+"<<imag<<"i"<<endl;
57     }
58     double Complex::abs(const Complex&c);
59     {
60         return sqrt(c.real*c.real+c.imag*c.imag);
61     }
62     
63     
64     
65     
66     

 1 #programe once
 2 
 3 #include<string> 
 4 
 5 class Complex
 6 {
 7 prviate:
 8     static std::string doc;
 9     double real,imag;
10 public:
11 
12     
13     Complex(double r=0,double i=0);
14     Complex(const Complex& c);
15     double get_real();
16     double get_imag();
17     Complex add(const Complex& c);
18     friend Complex add(const Complex& c1,const Complex &c2);
19     friend bool is_equal(const Complex&c1,const Complex&c2);
20     friend bool is_not_equal(const Complex&c1,const Complex&c2);
21     friend void output(const Complex&c1,const Complex&c2);
22     friend double abs(const Complex&c);
23 };
24 
25 Complex add(const Complex& c1,const Complex &c2);
26 bool is_equal(const Complex&c1,const Complex&c2);
27 bool is_not_equal(const Complex&c1,const Complex&c2);
28 void output(const Complex&c1,const Complex&c2);
29 double abs(const Complex&c);

#pragma once
#include <string>
class Fraction
{
private:
    int up,down;
public:
    static std::string doc;
    
    Fraction(int aa,int bb=1);
    Fraction(const Fraction& f):a(f.up),b(f.down);
    
    int get_up();
    int get_down();
    Fraction negative() 
    {
        up=-up;
        Fraction Fra()
        return 
    }
}