C++ 数组指针
浏览数：24 /
时间：2015年06月08日
1 #include<iostream> 2 using namespace std; 3 double calculate(double x ,double y ,double (*pf[3])(double,double)); 4 double add(double x ,double y); 5 double att(double x ,double y); 6 double app(double x ,double y); 7 int main() 8 { 9 double (*ps[3])(double,double)={add,att,app}; 10 double a ,b; 11 cout<<"Enter a X : "<<endl; 12 cin>>a; 13 cout<<"Enter a Y : "<<endl; 14 cin>>b; 15 double tal = 0.0; 16 for(int i=0;i<3;i++) 17 {//calculate(a,b,(double(**)(double,double))); 18 //需要注意这里 19 tal = calculate(a,b,(double(**)(double,double))(ps+i)); 20 cout<<tal<<endl; 21 } 22 return 0; 23 } 24 25 double calculate(double x ,double y ,double (*pf[3])(double,double)) 26 { 27 double temp = 0.0; 28 temp = (*pf)(x,y); 29 return temp; 30 } 31 32 double add(double x ,double y) 33 { 34 return x+y; 35 } 36 37 double att(double x ,double y) 38 { 39 return x*y; 40 } 41 42 double app(double x ,double y) 43 { 44 return x/y; 45 }
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