code: def test_loxodrome_inverse(lat1, lon1, lat2, lon2, arclen, az):
      """
      distance('rh', 40, -80, 65, -148, wgs84Ellipsoid)
      azimuth('rh', 40, -80, 65, -148, wgs84Ellipsoid)
      """
      rhdist, rhaz = lox.loxodrome_inverse(lat1, lon1, lat2, lon2)
  
      assert rhdist == approx(arclen)
      assert rhaz == approx(az)
      assert isinstance(rhdist, float)
      assert isinstance(rhaz, float)
  
file_path: pymap3d/src/pymap3d/tests/test_rhumb.py
imports: import pymap3d.lox
  import pytest
  from pytest import approx
label_desc: Use image node_id 4 for calling a global function with example usage: test_loxodrome_inverse(lat1, lon1, lat2, lon2, arclen, az) without return types