def test_IPT_hue_angle(self):
"""
Tests :func:`colour.models.ipt.IPT_hue_angle` definition.
"""
np.testing.assert_almost_equal(IPT_hue_angle(
np.array([0.07049534, 0.10080000, 0.09558313])),
43.478309455309819,
decimal=7)
np.testing.assert_almost_equal(IPT_hue_angle(
np.array([0.47097710, 0.34950000, 0.11301649])),
17.919454543301892,
decimal=7)
np.testing.assert_almost_equal(IPT_hue_angle(
np.array([0.25506814, 0.19150000, 0.08849752])),
24.802982601941753,
decimal=7)
def test_IPT_hue_angle(self):
"""
Tests :func:`colour.models.ipt.IPT_hue_angle` definition.
"""
np.testing.assert_almost_equal(
IPT_hue_angle(np.array([0.20654008, 0.12197225, 0.05136952])),
22.838754548625527,
decimal=7)
np.testing.assert_almost_equal(
IPT_hue_angle(np.array([0.14222010, 0.23042768, 0.10495772])),
24.488834912466245,
decimal=7)
np.testing.assert_almost_equal(
IPT_hue_angle(np.array([0.07818780, 0.06157201, 0.28099326])),
77.640533743711813,
decimal=7)
def test_nan_IPT_hue_angle(self):
"""
Tests :func:`colour.models.ipt.IPT_hue_angle` 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:
IPT = np.array(case)
IPT_hue_angle(IPT)
def test_IPT_hue_angle(self):
"""
Tests :func:`colour.models.ipt.IPT_hue_angle` definition.
"""
np.testing.assert_almost_equal(IPT_hue_angle(
np.array([0.07049534, 0.10080000, 0.09558313])),
0.758839653196139,
decimal=7)
np.testing.assert_almost_equal(IPT_hue_angle(
np.array([0.47097710, 0.34950000, 0.11301649])),
0.312753481942075,
decimal=7)
np.testing.assert_almost_equal(IPT_hue_angle(
np.array([0.25506814, 0.19150000, 0.08849752])),
0.432893710718754,
decimal=7)