def test_nan_log_decoding_FLog(self): """ Tests :func:`colour.models.rgb.transfer_functions.fujifilm_flog.\ log_decoding_FLog` definition nan support. """ log_decoding_FLog(np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))
def test_n_dimensional_log_decoding_FLog(self): """ Tests :func:`colour.models.rgb.transfer_functions.fujifilm_flog.\ log_decoding_FLog` definition n-dimensional arrays support. """ V_out = 0.459318458661621 L_in = log_decoding_FLog(V_out) V_out = np.tile(V_out, 6) L_in = np.tile(L_in, 6) np.testing.assert_almost_equal(log_decoding_FLog(V_out), L_in, decimal=7) V_out = np.reshape(V_out, (2, 3)) L_in = np.reshape(L_in, (2, 3)) np.testing.assert_almost_equal(log_decoding_FLog(V_out), L_in, decimal=7) V_out = np.reshape(V_out, (2, 3, 1)) L_in = np.reshape(L_in, (2, 3, 1)) np.testing.assert_almost_equal(log_decoding_FLog(V_out), L_in, decimal=7)
def test_domain_range_scale_log_decoding_FLog(self): """ Tests :func:`colour.models.rgb.transfer_functions.fujifilm_flog.\ log_decoding_FLog` definition domain and range scale support. """ V_out = 0.459318458661621 L_in = log_decoding_FLog(V_out) d_r = (('reference', 1), (1, 1), (100, 100)) for scale, factor in d_r: with domain_range_scale(scale): np.testing.assert_almost_equal(log_decoding_FLog(V_out * factor), L_in * factor, decimal=7)
def test_log_decoding_FLog(self): """ Tests :func:`colour.models.rgb.transfer_functions.fujifilm_flog.\ log_decoding_FLog` definition. """ self.assertAlmostEqual(log_decoding_FLog(0.092864000000000), 0.0, places=7) self.assertAlmostEqual(log_decoding_FLog(0.459318458661621), 0.18, places=7) self.assertAlmostEqual(log_decoding_FLog(0.459318458661621, 12), 0.18, places=7) self.assertAlmostEqual(log_decoding_FLog(0.463336510514656, 10, False), 0.18, places=7) self.assertAlmostEqual(log_decoding_FLog(0.446590337236003, 10, False, False), 0.18, places=7) self.assertAlmostEqual(log_decoding_FLog(0.704996409216428), 1.0, places=7)