class Arithmetic {
	static {
		System.loadLibrary("Arithmetic");
	}
	// calls for native C functions
	public native int Add(int a, int b);
	public native int Sub(int a, int b);
	public native int Mul(int a, int b);
	public native int Div(int a, int b);
	//calls for native Hardware functions
	public native int HW_Add(int a, int b);
	public native int HW_Sub(int a, int b);
	public native int HW_Mul(int a, int b);
	public native int HW_Div(int a, int b);
	public int JavaAdd(int a, int b) {
		return (a+b);
	}
	public int JavaSub(int a, int b) {
		return (a-b);
	}
 	public int JavaMul(int a, int b) {
		 return ((int)(a*b));
	}
	public int JavaDiv(int a, int b) {
		return ((int)(a/b));
	}
}