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            The Fourth Dimension Space
            

            枯葉北風寒，忽然年以殘，念往昔，語默心酸。二十光陰無一物，韶光賤，寐難安； 不畏形影單，道途阻且慢，哪曲折，如渡飛湍。斬浪劈波酬壯志，同把酒，共言歡！  -如夢令
            

            




            
	
					
	
            
		
            
			Complex Class (Beta 2.0)
		
            
		
            #include<iostream>
            #include            <cmath>
            using namespace std;


            //本模板在VS2005下可正常運行
            /*//////////////////////////////BEGIN_TEMPLATE_CALSS_COMPLEX_BY_ABILITYTAO////////////////////////////*/
            class Complex
            {
            private:

                            void show();
                            double real;
                            double image;
            public:

                Complex()            {real=0;image=0;}
                            ~Complex(){}
                Complex(            double a,double b){real=a;image=b;}
                            double Getreal(){return real;}
                            double Getimage(){return image;}
                            double abs(){return sqrt(real*real+image*image);}
                Complex             operator +(Complex &other);
                Complex             operator +(const double &other);
                Complex             operator +(const int &other);

                Complex             operator -(Complex &other);
                Complex             operator -(const double &other);
                Complex             operator -(const int &other);

                Complex             operator *(Complex &other);
                Complex             operator *(const double &other);
                Complex             operator *(const int &other);

                Complex             operator /(Complex &other);
                Complex             operator /(const double &other);
                Complex             operator /(const int &other);

                            void operator +=(Complex &other);
                            void operator +=(const double &other);
                            void operator +=(const int &other);

                            void operator -=(Complex &other);
                            void operator -=(const double &other);
                            void operator -=(const int &other);

                            void operator *=(Complex &other);
                            void operator *=(const double &other);
                            void operator *=(const int &other);

                            void operator /=(Complex &other);
                            void operator /=(const double &other);
                            void operator /=(const int &other);

                Complex             operator =(Complex &other);
                Complex             operator =(const double &other);
                Complex             operator =(const int &other);

                            bool operator ==(Complex &other);
                            bool operator ==(const double &other);
                            bool operator ==(const int &other);

                friend ostream            & operator<<(ostream &os,Complex &other);
                friend istream            & operator>>(istream &is,Complex &other);
            }            ;


            void Complex::show()
            {

                            if(real>0&&image<0)
                    printf(            "%g%gj",real,image);
                            else if(real>0&&image>0)
                    printf(            "%g+%gj",real,image);
                            else if(real<0&&image>0)
                    printf(            "%g+%gj",real,image);
                            else if(real<0&&image<0)
                    printf(            "%g%gj",real,image);
                            else if(real==0&&image!=0)
                    printf(            "%gj",image);
                            else if(real!=0&&image==0)
                    printf(            "%g",real);
                            else 
                    printf(            "0");
            }

            Complex Complex::            operator+(Complex &other)
            {
                Complex temp;
                temp.real            =real+other.real;
                temp.image            =image+other.image;
                            return temp;
            }

            Complex Complex::            operator +(const double &other)
            {

                Complex temp;
                temp.real            =real+other;
                temp.image            =image;
                            return temp;
            }

            Complex Complex::            operator +(const int &other)
            {
                Complex temp;
                temp.real            =real+(double)other;
                temp.image            =image;
                            return temp;
            }


            Complex Complex::            operator-(Complex &other)
            {

                Complex temp;
                temp.real            =real-other.real;
                temp.image            =image-other.image;
                            return temp;
            }

            Complex Complex::            operator -(const double &other)
            {

                Complex temp;
                temp.real            =real-(double)other;
                temp.image            =image;
                            return temp;
            }

            Complex Complex::            operator -(const int &other)
            {

                Complex temp;
                temp.real            =real-(double)other;
                temp.image            =image;
                            return temp;
            }
            Complex Complex::            operator*(Complex &other)
            {
                Complex temp;
                temp.real            =(real*other.real-image*other.image);
                temp.image            =(image*other.real+real*other.image);
                            return temp;


            }

            Complex Complex::            operator *(const double &other)
            {
                Complex temp;
                temp.real            =real*other;
                temp.image            =image*other;
                            return temp;
            }

            Complex Complex::            operator *(const int &other)
            {
                Complex temp;
                temp.real            =real*(double)other;
                temp.image            =image*(double)other;
                            return temp;
            }

            Complex Complex::            operator/(Complex &other)
            {

                Complex temp;
                temp.real            =((real*other.real)+(image*other.image))/(other.real*other.real+other.image*other.image);
                temp.image            =((image*other.real)-(real*other.image))/(other.real*other.real+other.image*other.image);
                            return temp;

            }

            Complex Complex::            operator /(const double &other)
            {
                Complex temp;
                temp.real            =real/other;
                temp.image            =image/other;
                            return temp;

            }

            Complex Complex::            operator /(const int &other)
            {
                Complex temp;
                temp.real            =real/(double)other;
                temp.image            =image/(double)other;
                            return temp;
            }




            void Complex::operator+=(Complex &other)
            {
                            this->real+=other.real;
                            this->image+=other.image;
            }

            void Complex::operator +=(const double &other)
            {

                            this->real+=other;
            }

            void Complex::operator +=(const int&other)
            {
                            this->real+=(double)other;
            }





            void Complex::operator-=(Complex &other)
            {
                            this->real-=other.real;
                            this->image-=other.image;
            }

            void Complex::operator -=(const double &other)
            {

                            this->real-=other;
            }

            void Complex::operator -=(const int &other)
            {
                            this->real-=(double)other;
            }



            void Complex::operator*=(Complex &other)
            {
                            this->real=(real*other.real-image*other.image);
                            this->image=(image*other.real+real*other.image);;
            }

            void Complex::operator *=(const double &other)
            {

                            this->real=real*other;
                            this->image=image*other;
            }

            void Complex::operator *=(const int &other)
            {
                            this->real=real*(double)other;
                            this->image=image*(double)other;
            }


            void Complex::operator/=(Complex &other)
            {
                            this->real=((real*other.real)+(image*other.image))/(other.real*other.real+other.image*other.image);
                            this->image=((image*other.real)-(real*other.image))/(other.real*other.real+other.image*other.image);
            }

            void Complex::operator /=(const double &other)
            {

                            this->real=real/other;
                            this->image=image/other;
            }

            void Complex::operator /=(const int &other)
            {
                            this->real=real/(double)other;
                            this->image=image/(double)other;
            }

            Complex Complex::            operator= (Complex &other)
            {

                            this->real=other.real;
                            this->image=other.image;
                            return *this;

            }
            Complex Complex::            operator =(const double &other)
            {
                            this->real=other;
                            this->image=image;
                            return *this;


            }
            Complex Complex::            operator =(const int &other)
            {
                            this->real=(double)other;
                            this->image=image;
                            return *this;
            }


            bool Complex::operator ==(Complex &other)
            {

                            if(this->real=other.real&&this->image==other.image)
                                return true;
                            else return false;
            }
            bool Complex::operator ==(const double &other)
            {

                            if(this->real==other&&this->image==0)
                                return true;
                            else 
                                return false;
            }
            bool Complex::operator ==(const int &other)
            {
                            if(this->real==(double)other&&this->image==0)
                                return true;
                            else 
                                return false;
            }

            ostream            & operator<<(ostream &os,Complex &other)
            {
                other.show();
                            return cout;
            }

            istream            & operator>>(istream &is,Complex &other)
            {
                            is>>other.real;
                            is>>other.image;
                            return cin;
            }
            /**//////////////////////////////END_TEMPLATE_CLASS_COMPLEX///////////////////////////////









            int main()
            {
                Complex test1(            10,6);
                Complex test2(            5,3);
                cout            <<test1*test2<<endl;
                cout            <<test1+test2<<endl;
                cout            <<test1/test2<<endl;
                cout            <<test1-test2<<endl;
                            return 0;
            }
            

		
            
			posted on 2009-05-29 21:37 abilitytao 閱讀(1243) 評論(5)  編輯 收藏 引用  
		
            
	
            
	
	





            
	    
    


            

            評論
            
	
	
			
            
				# re: Complex Class (Beta 2.0)
					
						2009-05-29 23:01
					
				playcpp
			
            
			
            
				STL中不是有complex類么，為什么要自己搞個。歡迎加入QQ群 36071431 討論C++問題。  回復  更多評論
				  
			
            
		
			
            
				# re: Complex Class (Beta 2.0)[未登錄]
					
						2009-05-30 02:00
					
				abilitytao
			
            
			
            
				@playcpp

            為了練習運算符重載 呵呵 這個理由怎么樣  回復  更多評論
				  
			
            
		
			
            
				# re: Complex Class (Beta 2.0)
					
						2009-05-30 15:47
					
				WindyWinter
			
            
			
            
				練運算符重載應該寫高精度計算。  回復  更多評論
				  
			
            
		
			
            
				# re: Complex Class (Beta 2.0)[未登錄]
					
						2009-05-30 15:56
					
				abilitytao
			
            
			
            
				@WindyWinter

            那個有點麻煩呢 呵呵 你知道高精度浮點類要怎么寫嗎？  回復  更多評論
				  
			
            
		
			
            
				# re: Complex Class (Beta 2.0)
					
						2009-06-04 11:26
					
				MC
			
            
			
            
				有些可以內聯調用，需要考慮除零問題，高精度浮點類搜索bcd  回復  更多評論
				  
			
            
		

            




            






            

				

            


    
    







            
	   
	



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