def test_rayleigh_distance(self):
'''
Tests the rayleigh_distance method of Calculator class.
'''
self.assertAlmostEqual(5 * exp(-25.0 / 2.0), \
Calculator.rayleigh_distance(5.0, 1.0))
def test_rayleigh_distance(self):
'''
Tests the rayleigh_distance method of Calculator class.
'''
self.assertAlmostEqual(5 * exp(-25.0 / 2.0), \
Calculator.rayleigh_distance(5.0, 1.0))
