第七周任务三

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#include <iostream>   using namespace std;  template <class numtype>  class Complex     {  public:      Complex( ){real=0;imag=0;}           Complex(numtype r,numtype i){real=r;imag=i;}       Complex complex_add(Complex &c2);       Complex complex_subtract(Complex &c2);       Complex complex_multiply(Complex &c2);       Complex complex_divide(Complex &c2);       void display( );     private:      numtype real;       numtype imag;   };  template <class numtype>  Complex<numtype> Complex<numtype>::complex_add(Complex &c2)  {      Complex c;      c.real=real+c2.real;      c.imag=imag+c2.imag;      return c;  }   template <class numtype>  Complex<numtype> Complex<numtype>::complex_subtract(Complex &c2)  {      Complex c;      c.real=real-c2.real;      c.imag=imag-c2.imag;      return c;  }  template <class numtype>  Complex<numtype> Complex<numtype>::complex_multiply(Complex &c2)  {      Complex c;      c.real=real*c2.real-imag*c2.imag;      c.imag=real*c2.imag+imag*c2.real;      return c;  }   template <class numtype>  Complex<numtype> Complex<numtype>::complex_divide(Complex &c2)  {      Complex c,c3,c4;      c3.real=c2.real;      c3.imag=c2.imag;        c.real=real*c3.real+imag*c3.imag;      c.imag=(-real*c3.imag)+imag*c3.real;        c4.real=c2.real*c2.real+c2.imag*c3.imag;      c.real=c.real/c4.real;      c.imag=c.imag/c4.real;      return c;  }    template <class numtype>    void Complex<numtype>::display( )     {      cout<<"("<<real<<","<<imag<<"i)"<<endl;  }  int main( )  {         Complex<int> c1(3,4),c2(5,-10),c3;        c3=c1.complex_add(c2);        cout<<"c1+c2=";       c3.display( );        Complex<double> c4(3.1,4.4),c5(5.34,-10.21),c6;        c6=c4.complex_subtract(c5);        cout<<"c4-c5=";       c6.display( );         Complex<double> c7(2,4.4),c8(5.34,-10.21),c9;        c9=c7.complex_multiply(c8);        cout<<"c7*c8=";       c9.display( );         Complex<double> c10(3,-2),c11(5,10),c12;        c12=c10.complex_divide(c11);        cout<<"c10/c11=";       c12.display( );       system("pause");      return 0;  }
任务二调试出现错误，等找出问题再发..
第七周 任务三

第七周任务三
