def test_yellowness_ASTMD1925(self):
"""
Test :func:`colour.colorimetry.yellowness.yellowness_ASTMD1925`
definition.
"""
self.assertAlmostEqual(
yellowness_ASTMD1925(
np.array([95.00000000, 100.00000000, 105.00000000])),
10.299999999999997,
places=7,
)
self.assertAlmostEqual(
yellowness_ASTMD1925(
np.array([105.00000000, 100.00000000, 95.00000000])),
33.700000000000003,
places=7,
)
self.assertAlmostEqual(
yellowness_ASTMD1925(
np.array([100.00000000, 100.00000000, 100.00000000])),
22.0,
places=7,
)
def test_nan_yellowness_ASTMD1925(self):
"""
Tests :func:`colour.colorimetry.yellowness.yellowness_ASTMD1925`
definition nan support.
"""
cases = [-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]
cases = set(permutations(cases * 3, r=3))
for case in cases:
XYZ = np.array(case)
yellowness_ASTMD1925(XYZ)
def test_n_dimensional_yellowness_ASTMD1925(self):
"""
Tests :func:`colour.colorimetry.yellowness.yellowness_ASTMD1925`
definition n_dimensional arrays support.
"""
XYZ = np.array([95.00000000, 100.00000000, 105.00000000])
YI = yellowness_ASTMD1925(XYZ)
XYZ = np.tile(XYZ, (6, 1))
YI = np.tile(YI, 6)
np.testing.assert_almost_equal(
yellowness_ASTMD1925(XYZ), YI, decimal=7)
XYZ = np.reshape(XYZ, (2, 3, 3))
YI = np.reshape(YI, (2, 3))
np.testing.assert_almost_equal(
yellowness_ASTMD1925(XYZ), YI, decimal=7)
def test_domain_range_scale_yellowness_ASTMD1925(self):
"""
Tests :func:`colour.colorimetry.yellowness.yellowness_ASTMD1925`
definition domain and range scale support.
"""
XYZ = np.array([95.00000000, 100.00000000, 105.00000000])
YI = 10.299999999999997
d_r = (('reference', 1), (1, 0.01), (100, 1))
for scale, factor in d_r:
with domain_range_scale(scale):
np.testing.assert_almost_equal(
yellowness_ASTMD1925(XYZ * factor), YI * factor, decimal=7)
def test_yellowness_ASTMD1925(self):
"""
Tests :func:`colour.colorimetry.yellowness.yellowness_ASTMD1925`
definition.
"""
self.assertAlmostEqual(
yellowness_ASTMD1925(
np.array([95.00000000, 100.00000000, 105.00000000])),
10.299999999999997,
places=7)
self.assertAlmostEqual(
yellowness_ASTMD1925(
np.array([105.00000000, 100.00000000, 95.00000000])),
33.700000000000003,
places=7)
self.assertAlmostEqual(
yellowness_ASTMD1925(
np.array([100.00000000, 100.00000000, 100.00000000])),
22.0,
places=7)
