求c++實驗報告實驗內容 定義一個複數類,乘法運算子*、除法運算子,編寫一個完整的程式,測試過載運算
- 2022-11-10
#include class complex { public: complex() complex(double r, double i) { real = r, imag = i; } complex operator +(const complex &c); complex operator -(const complex &c); complex operator *(const complex &c); complex operator /(const complex &c); friend void print(const complex &c); private: double real, imag; }; inline complex complex::operator +(const complex &c) { return complex(real + c。real, imag + c。imag); } inline complex complex::operator -(const complex &c) { return complex(real - c。real, imag - c。imag); } inline complex complex::operator *(const complex &c) { return complex(real * c。real - imag * c。imag, real * c。imag + imag * c。real); } inline complex complex::operator /(const complex &c) { return complex((real * c。real + imag + c。imag) / (c。real * c。real + c。imag * c。imag), (imag * c。real - real * c。imag) / (c。real * c。real + c。imag * c。imag)); } void print(const complex &c) { if(c。imag<0) cout< else cout< } void main() { complex c1(2。0, 3。0), c2(4。0, -2。0), c3; c3 = c1 + c2; cout<<“\nc1+c2=”; print(c3); c3 = c1 - c2; cout<<“\nc1-c2=”; print(c3); c3 = c1 * c2; cout<<“\nc1*c2=”; print(c3); c3 = c1 / c2; cout<<“\nc1/c2=”; print(c3); c3 = (c1+c2) * (c1-c2) * c2/c1; cout<<“\n(c1+c2)*(c1-c2)*c2/c1=”; print(c3); cout< }
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