demonstrates passing structure by reference : Struct « Data Type « C++






  1. C++
  2. Data Type
  3. Struct

demonstrates passing structure by reference

   
#include <iostream>   
  using namespace std;   
  
  struct Distance{   
     int feet;   
     float inches;   
    };   
  void scale( Distance&, float );
  void engldisp( Distance );     
    
  int main() {   
     Distance d1 = { 12, 6.5 };  
     Distance d2 = { 10, 5.5 };   
    
     cout << "d1 = "; 
     engldisp(d1);
     cout << "\nd2 = "; 
     engldisp(d2);   
    
     scale(d1, 0.5);    
     scale(d2, 0.25);   
    
     cout << "\nd1 = "; 
     engldisp(d1);   
     cout << "\nd2 = "; 
     engldisp(d2);   
     cout << endl;   
     return 0;   
  }   
  void scale( Distance& dd, float factor){   
     float inches = (dd.feet*12 + dd.inches) * factor;   
     dd.feet = static_cast<int>(inches / 12);   
     dd.inches = inches - dd.feet * 12;   
  }   
  void engldisp( Distance dd ){   
     cout << dd.feet << "\'-" << dd.inches << "\"";   
  }








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