def test_n_dimensional_exponent_hdr_CIELab(self):
"""
Tests :func:`colour.models.hdr_cie_lab.exponent_hdr_CIELab`
definition n-dimensional arrays support.
"""
Y_s = 0.2
Y_abs = 100
epsilon = exponent_hdr_CIELab(Y_s, Y_abs)
Y_s = np.tile(Y_s, 6)
Y_abs = np.tile(Y_abs, 6)
epsilon = np.tile(epsilon, 6)
np.testing.assert_almost_equal(
exponent_hdr_CIELab(Y_s, Y_abs), epsilon, decimal=7)
Y_s = np.reshape(Y_s, (2, 3))
Y_abs = np.reshape(Y_abs, (2, 3))
epsilon = np.reshape(epsilon, (2, 3))
np.testing.assert_almost_equal(
exponent_hdr_CIELab(Y_s, Y_abs), epsilon, decimal=7)
Y_s = np.reshape(Y_s, (2, 3, 1))
Y_abs = np.reshape(Y_abs, (2, 3, 1))
epsilon = np.reshape(epsilon, (2, 3, 1))
np.testing.assert_almost_equal(
exponent_hdr_CIELab(Y_s, Y_abs), epsilon, decimal=7)
def test_n_dimensional_exponent_hdr_CIELab(self):
"""
Tests :func:`colour.models.hdr_cie_lab.exponent_hdr_CIELab`
definition n-dimensional arrays support.
"""
Y_s = 0.2
Y_abs = 100
epsilon = exponent_hdr_CIELab(Y_s, Y_abs)
Y_s = np.tile(Y_s, 6)
Y_abs = np.tile(Y_abs, 6)
epsilon = np.tile(epsilon, 6)
np.testing.assert_almost_equal(exponent_hdr_CIELab(Y_s, Y_abs),
epsilon,
decimal=7)
Y_s = np.reshape(Y_s, (2, 3))
Y_abs = np.reshape(Y_abs, (2, 3))
epsilon = np.reshape(epsilon, (2, 3))
np.testing.assert_almost_equal(exponent_hdr_CIELab(Y_s, Y_abs),
epsilon,
decimal=7)
Y_s = np.reshape(Y_s, (2, 3, 1))
Y_abs = np.reshape(Y_abs, (2, 3, 1))
epsilon = np.reshape(epsilon, (2, 3, 1))
np.testing.assert_almost_equal(exponent_hdr_CIELab(Y_s, Y_abs),
epsilon,
decimal=7)
def test_nan_exponent_hdr_CIELab(self):
"""
Tests :func:`colour.models.hdr_cie_lab.exponent_hdr_CIELab`
definition nan support.
"""
cases = np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan])
exponent_hdr_CIELab(cases, cases)
def test_nan_exponent_hdr_CIELab(self):
"""
Tests :func:`colour.models.hdr_cie_lab.exponent_hdr_CIELab`
definition nan support.
"""
cases = np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan])
exponent_hdr_CIELab(cases, cases)
def test_domain_range_scale_exponent_hdr_CIELab(self):
"""
Tests :func:`colour.models.hdr_cie_lab.exponent_hdr_CIELab` definition
domain and range scale support.
"""
Y_s = 0.2
Y_abs = 100
epsilon = exponent_hdr_CIELab(Y_s, Y_abs)
d_r = (('reference', 1), (1, 1), (100, 100))
for scale, factor in d_r:
with domain_range_scale(scale):
np.testing.assert_almost_equal(exponent_hdr_CIELab(
Y_s * factor, Y_abs),
epsilon,
decimal=7)
def test_exponent_hdr_CIELab(self):
"""
Tests :func:`colour.models.hdr_cie_lab.exponent_hdr_CIELab`
definition.
"""
self.assertAlmostEqual(exponent_hdr_CIELab(0.2, 100),
1.836019897814665,
places=7)
self.assertAlmostEqual(exponent_hdr_CIELab(0.4, 100),
1.326014370643925,
places=7)
self.assertAlmostEqual(exponent_hdr_CIELab(0.2, 1000),
1.224013265209777,
places=7)
def test_domain_range_scale_exponent_hdr_CIELab(self):
"""
Tests :func:`colour.models.hdr_cie_lab.exponent_hdr_CIELab` definition
domain and range scale support.
"""
Y_s = 0.2
Y_abs = 100
epsilon = exponent_hdr_CIELab(Y_s, Y_abs)
d_r = (('reference', 1), (1, 1), (100, 100))
for scale, factor in d_r:
with domain_range_scale(scale):
np.testing.assert_almost_equal(
exponent_hdr_CIELab(Y_s * factor, Y_abs),
epsilon,
decimal=7)
def test_exponent_hdr_CIELab(self):
"""
Tests :func:`colour.models.hdr_cie_lab.exponent_hdr_CIELab`
definition.
"""
self.assertAlmostEqual(
exponent_hdr_CIELab(0.2, 100), 0.473851073746817, places=7)
self.assertAlmostEqual(
exponent_hdr_CIELab(0.4, 100), 0.656101486726362, places=7)
self.assertAlmostEqual(
exponent_hdr_CIELab(0.4, 100, method='Fairchild 2010'),
1.326014370643925,
places=7)
self.assertAlmostEqual(
exponent_hdr_CIELab(0.2, 1000), 0.710776610620225, places=7)
def test_exponent_hdr_CIELab(self):
"""
Tests :func:`colour.models.hdr_cie_lab.exponent_hdr_CIELab`
definition.
"""
self.assertAlmostEqual(
exponent_hdr_CIELab(0.2, 100), 0.473851073746817, places=7)
self.assertAlmostEqual(
exponent_hdr_CIELab(0.4, 100), 0.656101486726362, places=7)
self.assertAlmostEqual(
exponent_hdr_CIELab(0.4, 100, method='Fairchild 2010'),
1.326014370643925,
places=7)
self.assertAlmostEqual(
exponent_hdr_CIELab(0.2, 1000), 0.710776610620225, places=7)
def test_exponent_hdr_CIELab(self):
"""
Tests :func:`colour.models.hdr_cie_lab.exponent_hdr_CIELab`
definition.
"""
self.assertAlmostEqual(exponent_hdr_CIELab(0.2, 100),
0.709927693821670,
places=7)
self.assertAlmostEqual(exponent_hdr_CIELab(0.4, 100),
0.512725556648984,
places=7)
self.assertAlmostEqual(exponent_hdr_CIELab(0.4,
100,
method='Fairchild 2010'),
1.326014370643925,
places=7)
self.assertAlmostEqual(exponent_hdr_CIELab(0.2, 1000),
0.473285129214447,
places=7)