C++ examples for Function:Function Return
Demonstrate returning a structure
#include <iostream> using namespace std; struct Measure//from w ww . j av a2s . c o m { int feet; float inches; }; Measure addengl(Measure, Measure); //declarations void engldisp(Measure); int main() { Measure d1, d2, d3; //define three lengths //get length d1 from user cout << "\nEnter feet: "; cin >> d1.feet; cout << "Enter inches: "; cin >> d1.inches; //get length d2 from user cout << "\nEnter feet: "; cin >> d2.feet; cout << "Enter inches: "; cin >> d2.inches; d3 = addengl(d1, d2); //d3 is sum of d1 and d2 cout << endl; engldisp(d1); cout << " + "; //display all lengths engldisp(d2); cout << " = "; engldisp(d3); cout << endl; return 0; } // adds two structures of type Measure, returns sum Measure addengl( Measure dd1, Measure dd2 ) { Measure dd3; //define a new structure for sum dd3.inches = dd1.inches + dd2.inches; //add the inches dd3.feet = 0; //(for possible carry) if(dd3.inches >= 12.0) //if inches >= 12.0, { //then decrease inches dd3.inches -= 12.0; //by 12.0 and dd3.feet++; //increase feet } //by 1 dd3.feet += dd1.feet + dd2.feet; //add the feet return dd3; //return structure } // display structure of type Measure in feet and inches void engldisp( Measure dd ) { cout << dd.feet << "\'-" << dd.inches << "\""; }