Beispiel #1
0
/// Spherical Neumann functions.
double
bessel_yl(unsigned int n, double x)
{
  gsl_sf_result result;
  int stat = gsl_sf_bessel_yl_e(static_cast<int>(n), x, &result);
  if (stat != GSL_SUCCESS)
    {
      std::ostringstream msg("Error in bessel_yl:");
      msg << " n=" << n << " x=" << x;
      throw std::runtime_error(msg.str());
    }
  else
    return result.val;
}
Beispiel #2
0
double gsl_sf_bessel_yl(const int l, const double x)
{
    EVAL_RESULT(gsl_sf_bessel_yl_e(l, x, &result));
}