Ряд Тейлора

#include<stdio.h>
#include <iostream>
#include <string>
#include <conio.h>
#include <math.h>
#include <iomanip>
using namespace std;
 
     typedef double (*uf)(double, double, int &);
 
void tabl(double, double, double, double, uf);
double y(double, double, int &);
double s(double, double, int &);
 
int main()
{
 
 
cout << setw(8) <<"x"<< setw(15) <<"y(x)"<< setw(10) << "k" << endl;
tabl(-0.9,0.9,0.1,0.001,y);
cout << endl;
cout << setw(8) <<"x"<< setw(15) <<"s(x)"<< setw(10) << "k" <<endl ;
tabl(-0.9,0.9,0.1,0.001,s);
return 0;
}
 
void tabl(double a, double b, double h, double eps, uf fun)
{
 
 
 
  int k=0;
  double sum , x;
  for (x=a ; x<b+h/2; x+=h)
 {
   sum=fun(x,eps,k);
       cout << setw(8) << x << setw(15) << sum << setw(10) << k << endl;
 }
}
 
double y(double x, double eps, int &k)
{
return pow(1+x,1/3);
}
 
double s(double x, double eps, int &k)
{
  double a,c,sum;
 sum=a=c=x;
     k=2;
  while (fabs(c)>eps)
 {
    c = ((3*k-4)/pow(3,k)*(k-1)*k)*pow(x,k);
  a *= -c;
  sum += a;
 k++;
 }
return sum;
}