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)