def test_linear_to_c_log(self): """ Tests :func:`colour.models.log.linear_to_c_log` definition. """ self.assertAlmostEqual( linear_to_c_log(0), 0.073059700000000005, places=7) self.assertAlmostEqual( linear_to_c_log(0.18), 0.31201285555039493, places=7) self.assertAlmostEqual( linear_to_c_log(1), 0.62740830453765284, places=7)