def test_log_decoding_ERIMMRGB(self): """ Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\ log_decoding_ERIMMRGB` definition. """ self.assertAlmostEqual(log_decoding_ERIMMRGB(0.0), 0.0, places=7) self.assertAlmostEqual( log_decoding_ERIMMRGB(0.410052389492129), 0.18, places=7) self.assertAlmostEqual( log_decoding_ERIMMRGB(0.545458327405113), 1.0, places=7) np.testing.assert_allclose( log_decoding_ERIMMRGB(105, in_int=True), 0.18, atol=0.005, rtol=0.005) np.testing.assert_allclose( log_decoding_ERIMMRGB(1679, bit_depth=12, in_int=True), 0.18, atol=0.005, rtol=0.005)
def test_n_dimensional_log_decoding_ERIMMRGB(self): """ Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\ log_decoding_ERIMMRGB` definition n-dimensional arrays support. """ X_p = 0.410052389492129 X = log_decoding_ERIMMRGB(X_p) X_p = np.tile(X_p, 6) X = np.tile(X, 6) np.testing.assert_almost_equal(log_decoding_ERIMMRGB(X_p), X, decimal=7) X_p = np.reshape(X_p, (2, 3)) X = np.reshape(X, (2, 3)) np.testing.assert_almost_equal(log_decoding_ERIMMRGB(X_p), X, decimal=7) X_p = np.reshape(X_p, (2, 3, 1)) X = np.reshape(X, (2, 3, 1)) np.testing.assert_almost_equal(log_decoding_ERIMMRGB(X_p), X, decimal=7)
def test_n_dimensional_log_decoding_ERIMMRGB(self): """ Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\ log_decoding_ERIMMRGB` definition n-dimensional arrays support. """ X_ERIMM = 104.563359320492940 X = 0.18 np.testing.assert_almost_equal(log_decoding_ERIMMRGB(X_ERIMM), X, decimal=7) X_ERIMM = np.tile(X_ERIMM, 6) X = np.tile(X, 6) np.testing.assert_almost_equal(log_decoding_ERIMMRGB(X_ERIMM), X, decimal=7) X_ERIMM = np.reshape(X_ERIMM, (2, 3)) X = np.reshape(X, (2, 3)) np.testing.assert_almost_equal(log_decoding_ERIMMRGB(X_ERIMM), X, decimal=7) X_ERIMM = np.reshape(X_ERIMM, (2, 3, 1)) X = np.reshape(X, (2, 3, 1)) np.testing.assert_almost_equal(log_decoding_ERIMMRGB(X_ERIMM), X, decimal=7)
def test_log_decoding_ERIMMRGB(self): """ Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\ log_decoding_ERIMMRGB` definition. """ self.assertAlmostEqual(log_decoding_ERIMMRGB(0.0), 0.0, places=7) self.assertAlmostEqual(log_decoding_ERIMMRGB(0.410052389492129), 0.18, places=7) self.assertAlmostEqual(log_decoding_ERIMMRGB(0.545458327405113), 1.0, places=7) np.testing.assert_allclose(log_decoding_ERIMMRGB(105, in_int=True), 0.18, atol=0.005, rtol=0.005) np.testing.assert_allclose(log_decoding_ERIMMRGB(1679, bit_depth=12, in_int=True), 0.18, atol=0.005, rtol=0.005)
def test_n_dimensional_log_decoding_ERIMMRGB(self): """ Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\ log_decoding_ERIMMRGB` definition n-dimensional arrays support. """ L = 104.563359320492940 V = 0.18 np.testing.assert_almost_equal( log_decoding_ERIMMRGB(L), V, decimal=7) L = np.tile(L, 6) V = np.tile(V, 6) np.testing.assert_almost_equal( log_decoding_ERIMMRGB(L), V, decimal=7) L = np.reshape(L, (2, 3)) V = np.reshape(V, (2, 3)) np.testing.assert_almost_equal( log_decoding_ERIMMRGB(L), V, decimal=7) L = np.reshape(L, (2, 3, 1)) V = np.reshape(V, (2, 3, 1)) np.testing.assert_almost_equal( log_decoding_ERIMMRGB(L), V, decimal=7)
def test_nan_log_decoding_ERIMMRGB(self): """ Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\ log_decoding_ERIMMRGB` definition nan support. """ log_decoding_ERIMMRGB( np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))
def test_domain_range_scale_log_decoding_ERIMMRGB(self): """ Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\ log_decoding_ERIMMRGB` definition domain and range scale support. """ X_p = 0.410052389492129 X = log_decoding_ERIMMRGB(X_p) 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_ERIMMRGB(X_p * factor), X * factor, decimal=7)
def test_log_decoding_ERIMMRGB(self): """ Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\ log_decoding_ERIMMRGB` definition. """ self.assertAlmostEqual(log_decoding_ERIMMRGB(0.0), 0.0, places=7) self.assertAlmostEqual(log_decoding_ERIMMRGB(104.563359320492940), 0.18, places=7) self.assertAlmostEqual(log_decoding_ERIMMRGB(139.09187348830370), 1.0, places=7)
def test_domain_range_scale_log_decoding_ERIMMRGB(self): """ Test :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\ log_decoding_ERIMMRGB` definition domain and range scale support. """ X_p = 0.410052389492129 X = log_decoding_ERIMMRGB(X_p) 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_ERIMMRGB(X_p * factor), X * factor, decimal=7 )
def test_log_decoding_ERIMMRGB(self): """ Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\ log_decoding_ERIMMRGB` definition. """ self.assertAlmostEqual( log_decoding_ERIMMRGB(0.0), 0.0, places=7) self.assertAlmostEqual( log_decoding_ERIMMRGB(104.563359320492940), 0.18, places=7) self.assertAlmostEqual( log_decoding_ERIMMRGB(139.09187348830370), 1.0, places=7)
def test_n_dimensional_log_decoding_ERIMMRGB(self): """ Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\ log_decoding_ERIMMRGB` definition n-dimensional arrays support. """ L = 104.563359320492940 V = 0.18 np.testing.assert_almost_equal(log_decoding_ERIMMRGB(L), V, decimal=7) L = np.tile(L, 6) V = np.tile(V, 6) np.testing.assert_almost_equal(log_decoding_ERIMMRGB(L), V, decimal=7) L = np.reshape(L, (2, 3)) V = np.reshape(V, (2, 3)) np.testing.assert_almost_equal(log_decoding_ERIMMRGB(L), V, decimal=7) L = np.reshape(L, (2, 3, 1)) V = np.reshape(V, (2, 3, 1)) np.testing.assert_almost_equal(log_decoding_ERIMMRGB(L), V, decimal=7)
def test_n_dimensional_log_decoding_ERIMMRGB(self): """ Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\ log_decoding_ERIMMRGB` definition n-dimensional arrays support. """ X_p = 0.410052389492129 X = log_decoding_ERIMMRGB(X_p) X_p = np.tile(X_p, 6) X = np.tile(X, 6) np.testing.assert_almost_equal( log_decoding_ERIMMRGB(X_p), X, decimal=7) X_p = np.reshape(X_p, (2, 3)) X = np.reshape(X, (2, 3)) np.testing.assert_almost_equal( log_decoding_ERIMMRGB(X_p), X, decimal=7) X_p = np.reshape(X_p, (2, 3, 1)) X = np.reshape(X, (2, 3, 1)) np.testing.assert_almost_equal( log_decoding_ERIMMRGB(X_p), X, decimal=7)