C++ Program for friend function

Saturday, 1 March 2014

#include<iostream.h>
#include<conio.h>

class complex
{
float x,y;
public:
void input(float real,float imag)
{
x=real;
y=imag;
}
friend complex sum(complex,complex);
void show(complex);
};
complex sum(complex c1,complex c2)
{
complex c3;
c3.x=c1.x+c2.x;
c3.y=c1.y+c2.y;
return(c3);
}
void complex::show(complex c)
{
cout<<"\n"<<c.x<<"+ j"<<c.y;
}
void main()
{
complex a,b,c;
clrscr();
a.input(3.1,5.65);
b.input(27.5,1.2);
c=sum(a,b);
cout<<"\nA =";
a.show(a);
cout<<"\nB = ";
b.show(b);
cout<<"\nC =";
c.show(c);
getch();

}


OUTPUT:-


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