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Elabnody
Web Master
Egypt
59 Posts |
 Posted - 04/11/2009 : 03:26:59
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//Objects as Function Arguments
// englcon.cpp
// constructors, adds objects using member function
#include <iostream>
using namespace std;
////////////////////////////////////////////////////////////////
class Distance //English Distance class
{
private:
int feet;
float inches;
public: //constructor (no args)
Distance() : feet(0), inches(0.0)
{ }
//constructor (two args)
Distance(int ft, float in) : feet(ft), inches(in)
{ }
void getdist() //get length from user
{
cout << "\nEnter feet: "; cin >> feet;
cout << "Enter inches: "; cin >> inches;
}
void showdist() const //display distance
{ cout << feet << "\'-" << inches << '\"'; }
void add_dist(Distance, Distance) ; //declaration
};
//--------------------------------------------------------------
//add lengths d2 and d3
void Distance::add_dist(Distance d2, Distance d3)
{
inches = d2.inches + d3.inches; //add the inches
feet = 0; //(for possible carry)
if(inches >= 12.0) //if total exceeds 12.0,
{ //then decrease inches
inches -= 12.0; //by 12.0 and
feet++; //increase feet
} //by 1
feet += d2.feet + d3.feet; //add the feet
}
////////////////////////////////////////////////////////////////
int main()
{
Distance dist1, dist3; //define two lengths
Distance dist2(11, 6.25); //define and initialize dist2
dist1.getdist(); //get dist1 from user
dist3.add_dist(dist1, dist2); //dist3 = dist1 + dist2
//display all lengths
cout << "\ndist1 = "; dist1.showdist();
cout << "\ndist2 = "; dist2.showdist();
cout << "\ndist3 = "; dist3.showdist();
cout << endl;
return 0;
}
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Example 6
