TEST

/*********************************************************************************
* @brief This function add 2 units to the circle radius
* @param[in] x Position x of the center of the wheel in the Cartesian system
* @param[in] y Position y of the center of the wheel in the Cartesian system
* @param[out] d Diameter of the circle
* @param[in/out] r Radius of the circle
* @return This function returns 1 when the operation succeeded or returns -1 when the operation failed
*********************************************************************************/
int resize_circle(int x,int y, int *d, int *r)
{
	if((*r)<0)
	{
		return -1
	}
	
	x=x;
	y=y;
	*r=(*r)+2;
	*d=2*(*r);
	
	return 1;
}