#include <iostream>
using std::cout;
using std::cin;
using std::endl;
#include <cmath>

#include "Derivative.h"
#include "myFunction.h"


int main()
{
  cout << "Derivative example" << endl;
  double x ;
  double h ;
  cout << "x: ";
  cin >> x ;
  cout<< "Toleracence: ";
  cin >> h ;
  cout << "Derivative of cube function" << endl;
  double a = derivative(cube, x, h);
  cout<<a<<endl;
 
    
  return 0;

}