1 #include <iostream> 2 #include <cstdlib> 3 #include <limits> 4 using namespace std; 5 6 class MyComplex{ 7 public: 8 double a; 9 double b; 10 public: 11 MyComplex(double a = 0.0, double b = 0.0){ 12 this->a = a; 13 this->b = b; 14 } 15 MyComplex& operator+(const MyComplex & c); 16 MyComplex& operator-(const MyComplex & c); 17 MyComplex& operator*(const MyComplex & c); 18 MyComplex& operator/ (const MyComplex &c); 19 20 friend ostream& operator<<(ostream &stream, MyComplex& mc); 21 friend istream& operator>>(istream &stream, MyComplex& mc); 22 }; 23 24 25 MyComplex& MyComplex::operator+(const MyComplex & c) 26 { 27 28 this->a=a+c.a; 29 this->b=b+c.b; 30 return (*this); 31 } 32 33 MyComplex& MyComplex::operator-(const MyComplex & c) 34 { 35 this->a=this->a-c.a; 36 this->b=this->b-c.b; 37 return (*this); 38 } 39 40 MyComplex& MyComplex::operator*(const MyComplex & c) 41 { 42 this->a=a*c.a-b*c.b; 43 this->b=a*c.b+b*c.a; 44 return (*this); 45 } 46 47 MyComplex& MyComplex::operator/ (const MyComplex &c) { 48 return *this = MyComplex((a*c.a+b*c.b)/(c.b*c.b+c.a*c.a),(b*c.a-a*c.b)/(c.b*c.b+c.a*c.a)); 49 } 50 51 52 ostream& operator <<(ostream &stream, MyComplex& mc){ 53 stream<< "(" << mc.a; 54 stream.setf(std::ios::showpos); 55 stream<< mc.b << "i)"; 56 stream.unsetf(std::ios::showpos); 57 return stream; 58 } 59 istream& operator>>(istream &stream, MyComplex& mc){ 60 stream>>mc.a>>mc.b; 61 return stream; 62 } 63 64 int main() { 65 MyComplex z1, z2; 66 cin >> z1; 67 cin >> z2; 68 69 cout<<z1.a<<" "<<z1.b<<endl; 70 cout<<z2.a<<" "<<z2.b<<endl; 71 72 cout << "z1 + z2 = " << z1 + z2 << endl; 73 cout << "z1 - z2 + z1 = " << z1 - z2 + z1 << endl; 74 cout << "z1 * z2 - z1 = " << z1 * z2 - z1 << endl; 75 cout << "z1 / z2 + z1 = " << z1 / z2 + z1 << endl; 76 cout << "z2 - z1 / z1 = " << z2 - z1 / z1; 77 // GCC及VC编译器在调试模式下会暂停，便于查看运行结果 78 #if ( defined(__DEBUG__) || defined(_DEBUG) ) 79 cin.ignore(numeric_limits<streamsize>::max(), '\n'); 80 cin.get(); 81 #endif 82 return 0; 83 }
