exponential_integral

Function Ei

Source
pub fn Ei(x: NonZero<Finite<f64>>) -> Result<Approx, Error>
Expand description

§Original C code

int gsl_sf_expint_Ei_e(const double x, gsl_sf_result * result)
{
  /* CHECK_POINTER(result) */

  {
    int status = gsl_sf_expint_E1_e(-x, result);
    result->val = -result->val;
    return status;
  }
}

§Errors

See Error.