C Program Friend & Operator: Vector Example

C Program Friend & Operator: Vector Example

How to write a C Program Friend & Operator: Vector Example in C Programming Language ?


Solution For C Program :

//C Program Friend & Operator: Vector Example.
#include <iostream>
#include <cmath>
using namespace std;

class Vector{
private:
// Data (variable part)
double x;
double y;

public:

friend void printVector(Vector v);

// Operation (function part)
//Constructive
Vector(){
x = 0;
y = 0;
}

Vector(double a, double b){
x = a;
y = b;
}

double getX(){
return x;
}

double getY(){
return y;
}

Vector operator+(Vector b){
Vector c(x+b.x, y+b.y);
return c;
}


double getLength(){
return sqrt(x*x + y*y);
}
};

void printVector(Vector v){
cout << "(" << v.x << "," << v.y << ")" << endl;
}
/*
Vector vectorAdd(Vector a, Vector b){
Vector c(a.x+b.x, a.y+b.y);
return c;
}
*/


int main(){
Vector a(3, 4), b(4, 5);
/*
a.getX();
b.getX();
*/
Vector c = a + b;//a.operator+(b);
printVector(c);

return 0;
}


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