def test_nan_luminance_1976(self):
"""
Tests :func:`colour.colorimetry.luminance.luminance_1976`
definition nan support.
"""
luminance_1976(np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))
def test_n_dimensional_luminance_1976(self):
"""
Tests :func:`colour.colorimetry.lightness.luminance_1976`
definition n-dimensional arrays support.
"""
Lstar = 37.9856290977
Y = 10.080000000026304
np.testing.assert_almost_equal(
luminance_1976(Lstar),
Y,
decimal=7)
Lstar = np.tile(Lstar, 6)
Y = np.tile(Y, 6)
np.testing.assert_almost_equal(
luminance_1976(Lstar),
Y,
decimal=7)
Lstar = np.reshape(Lstar, (2, 3))
Y = np.reshape(Y, (2, 3))
np.testing.assert_almost_equal(
luminance_1976(Lstar),
Y,
decimal=7)
Lstar = np.reshape(Lstar, (2, 3, 1))
Y = np.reshape(Y, (2, 3, 1))
np.testing.assert_almost_equal(
luminance_1976(Lstar),
Y,
decimal=7)
def test_nan_luminance_1976(self):
"""
Tests :func:`colour.colorimetry.luminance.luminance_1976`
definition nan support.
"""
luminance_1976(
np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))
def test_n_dimensional_luminance_1976(self):
"""
Tests :func:`colour.colorimetry.lightness.luminance_1976`
definition n-dimensional arrays support.
"""
Lstar = 37.9856290977
Y = 10.080000000026304
np.testing.assert_almost_equal(luminance_1976(Lstar), Y, decimal=7)
Lstar = np.tile(Lstar, 6)
Y = np.tile(Y, 6)
np.testing.assert_almost_equal(luminance_1976(Lstar), Y, decimal=7)
Lstar = np.reshape(Lstar, (2, 3))
Y = np.reshape(Y, (2, 3))
np.testing.assert_almost_equal(luminance_1976(Lstar), Y, decimal=7)
Lstar = np.reshape(Lstar, (2, 3, 1))
Y = np.reshape(Y, (2, 3, 1))
np.testing.assert_almost_equal(luminance_1976(Lstar), Y, decimal=7)
def test_luminance_1976(self):
"""
Tests :func:`colour.colorimetry.luminance.luminance_1976` definition.
"""
self.assertAlmostEqual(
luminance_1976(37.9856290977),
10.08,
places=7)
self.assertAlmostEqual(
luminance_1976(80.0444155585),
56.76,
places=7)
self.assertAlmostEqual(
luminance_1976(99.3467279026),
98.32,
places=7)
self.assertAlmostEqual(
luminance_1976(37.9856290977, 50),
5.040000000013152,
places=7)
self.assertAlmostEqual(
luminance_1976(37.9856290977, 75),
7.560000000019728,
places=7)
self.assertAlmostEqual(
luminance_1976(37.9856290977, 95),
9.576000000024989,
places=7)
def test_luminance_1976(self):
"""
Tests :func:`colour.colorimetry.luminance.luminance_1976` definition.
"""
self.assertAlmostEqual(luminance_1976(37.9856290977), 10.08, places=7)
self.assertAlmostEqual(luminance_1976(80.0444155585), 56.76, places=7)
self.assertAlmostEqual(luminance_1976(99.3467279026), 98.32, places=7)
self.assertAlmostEqual(luminance_1976(37.9856290977, 50),
5.040000000013152,
places=7)
self.assertAlmostEqual(luminance_1976(37.9856290977, 75),
7.560000000019728,
places=7)
self.assertAlmostEqual(luminance_1976(37.9856290977, 95),
9.576000000024989,
places=7)
