def test_nan_eotf_SMPTE240M(self): """ Tests :func:`colour.models.rgb.transfer_functions.smpte_240m.\ eotf_SMPTE240M` definition nan support. """ eotf_SMPTE240M(np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))
def test_domain_range_scale_eotf_SMPTE240M(self): """ Tests :func:`colour.models.rgb.transfer_functions.smpte_240m.\ eotf_SMPTE240M` definition domain and range scale support. """ V_r = 0.402285796753870 L_r = eotf_SMPTE240M(V_r) d_r = (('reference', 1), (1, 1), (100, 100)) for scale, factor in d_r: with domain_range_scale(scale): np.testing.assert_almost_equal(eotf_SMPTE240M(V_r * factor), L_r * factor, decimal=7)
def test_eotf_SMPTE240M(self): """ Tests :func:`colour.models.rgb.transfer_functions.smpte_240m.\ eotf_SMPTE240M` definition. """ self.assertAlmostEqual(eotf_SMPTE240M(0.0), 0.0, places=7) self.assertAlmostEqual(eotf_SMPTE240M(0.080000000000000), 0.02, places=7) self.assertAlmostEqual(eotf_SMPTE240M(0.402285796753870), 0.18, places=7) self.assertAlmostEqual(eotf_SMPTE240M(1.0), 1.0, places=7)
def test_n_dimensional_eotf_SMPTE240M(self): """ Tests :func:`colour.models.rgb.transfer_functions.smpte_240m.\ eotf_SMPTE240M` definition n-dimensional arrays support. """ V_r = 0.402285796753870 L_r = eotf_SMPTE240M(V_r) V_r = np.tile(V_r, 6) L_r = np.tile(L_r, 6) np.testing.assert_almost_equal(eotf_SMPTE240M(V_r), L_r, decimal=7) V_r = np.reshape(V_r, (2, 3)) L_r = np.reshape(L_r, (2, 3)) np.testing.assert_almost_equal(eotf_SMPTE240M(V_r), L_r, decimal=7) V_r = np.reshape(V_r, (2, 3, 1)) L_r = np.reshape(L_r, (2, 3, 1)) np.testing.assert_almost_equal(eotf_SMPTE240M(V_r), L_r, decimal=7)