#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <gsl/gsl_blas.h>
#include <gsl/gsl_sf_bessel.h>

//computes bessel function of order n at double value x
double f(int n, double x);
//prints a two dimensional array of function fPtr values
void MakeTable(int nMin, int nMax, double xMin, double xMax, double dx, double (* fPtr)(int, double));