Potência Recursivamente

#include <stdio.h>

double func(double x, int n)
{

  if (n < 0)
  {
    return (1/x) * func(x, ++n);
  }

  if (n > 0)
  {
     return x * func(x, --n);
  }

  return 1;
}


int main ()
{
  printf("%.0lf\n", func(10, 2));
  printf("%lf\n", func(10, -2));

  return 0;
}