def test_linear_to_s_log(self): """ Tests :func:`colour.models.log.linear_to_s_log` definition. """ self.assertAlmostEqual( linear_to_s_log(0), 0.030001222851889303, places=7) self.assertAlmostEqual( linear_to_s_log(0.18), 0.35998784642215442, places=7) self.assertAlmostEqual( linear_to_s_log(1), 0.65352925122530825, places=7)