def test_n_dimensional_contrast_sensitivity_function_Barten1999(self):
"""
Tests :func:`colour.contrast.barten1999.\
contrast_sensitivity_function_Barten1999` definition n-dimensional support.
"""
u = np.array([4, 8, 12])
sigma = np.array([0.01, 0.02, 0.04])
E = np.array([0.65, 90, 1500])
X_0 = np.array([60, 120, 240])
S = contrast_sensitivity_function_Barten1999(
u=u, sigma=sigma, E=E, X_0=X_0)
u = np.tile(u, (6, 1))
E = np.tile(E, (6, 1))
S = np.tile(S, (6, 1))
np.testing.assert_almost_equal(
contrast_sensitivity_function_Barten1999(
u=u, sigma=sigma, E=E, X_0=X_0),
S,
decimal=7)
u = np.reshape(u, (2, 3, 3))
E = np.reshape(E, (2, 3, 3))
S = np.reshape(S, (2, 3, 3))
np.testing.assert_almost_equal(
contrast_sensitivity_function_Barten1999(
u=u, sigma=sigma, E=E, X_0=X_0),
S,
decimal=7)
def test_nan_contrast_sensitivity_function_Barten1999(self):
"""
Tests :func:`colour.contrast.barten1999.\
contrast_sensitivity_function_Barten1999` 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:
contrast_sensitivity_function_Barten1999(u=np.array(case),
sigma=np.array(case),
E=np.array(case),
X_0=np.array(case))
def test_nan_contrast_sensitivity_function_Barten1999(self):
"""
Tests :func:`colour.contrast.barten1999.\
contrast_sensitivity_function_Barten1999` 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:
contrast_sensitivity_function_Barten1999(
u=np.array(case),
sigma=np.array(case),
E=np.array(case),
X_0=np.array(case))
def test_contrast_sensitivity_function_Barten1999(self):
"""
Tests :func:`colour.contrast.barten1999.\
contrast_sensitivity_function_Barten1999` definition.
"""
np.testing.assert_almost_equal(
contrast_sensitivity_function_Barten1999(u=4,
sigma=0.01,
E=65,
X_0=60,
X_max=12,
Y_0=60,
Y_max=12,
p=1.2 * 10**6),
352.761342126727020,
decimal=7)
np.testing.assert_almost_equal(
contrast_sensitivity_function_Barten1999(u=8,
sigma=0.01,
E=65,
X_0=60,
X_max=12,
Y_0=60,
Y_max=12,
p=1.2 * 10**6),
177.706338840717340,
decimal=7)
np.testing.assert_almost_equal(
contrast_sensitivity_function_Barten1999(u=4,
sigma=0.02,
E=65,
X_0=60,
X_max=12,
Y_0=60,
Y_max=12,
p=1.2 * 10**6),
320.872401634215750,
decimal=7)
np.testing.assert_almost_equal(
contrast_sensitivity_function_Barten1999(u=4,
sigma=0.01,
E=130,
X_0=60,
X_max=12,
Y_0=60,
Y_max=12,
p=1.2 * 10**6),
455.171315756946400,
decimal=7)
np.testing.assert_almost_equal(
contrast_sensitivity_function_Barten1999(u=4,
sigma=0.01,
E=65,
X_0=120,
X_max=12,
Y_0=60,
Y_max=12,
p=1.2 * 10**6),
352.996281545740660,
decimal=7)
np.testing.assert_almost_equal(
contrast_sensitivity_function_Barten1999(u=4,
sigma=0.01,
E=65,
X_0=60,
X_max=24,
Y_0=60,
Y_max=12,
p=1.2 * 10**6),
358.881580104493650,
decimal=7)
np.testing.assert_almost_equal(
contrast_sensitivity_function_Barten1999(u=4,
sigma=0.01,
E=65,
X_0=240,
X_max=12,
Y_0=60,
Y_max=12,
p=1.2 * 10**6),
contrast_sensitivity_function_Barten1999(u=4,
sigma=0.01,
E=65,
X_0=60,
X_max=12,
Y_0=240,
Y_max=12,
p=1.2 * 10**6),
decimal=7)
np.testing.assert_almost_equal(
contrast_sensitivity_function_Barten1999(u=4,
sigma=0.01,
E=65,
X_0=60,
X_max=12,
Y_0=60,
Y_max=12,
p=1.4 * 10**6),
374.791328640476140,
decimal=7)
def test_contrast_sensitivity_function_Barten1999(self):
"""
Tests :func:`colour.contrast.barten1999.\
contrast_sensitivity_function_Barten1999` definition.
"""
np.testing.assert_almost_equal(
contrast_sensitivity_function_Barten1999(
u=4,
sigma=0.01,
E=65,
X_0=60,
X_max=12,
Y_0=60,
Y_max=12,
p=1.2 * 10 ** 6),
352.761342126727020,
decimal=7)
np.testing.assert_almost_equal(
contrast_sensitivity_function_Barten1999(
u=8,
sigma=0.01,
E=65,
X_0=60,
X_max=12,
Y_0=60,
Y_max=12,
p=1.2 * 10 ** 6),
177.706338840717340,
decimal=7)
np.testing.assert_almost_equal(
contrast_sensitivity_function_Barten1999(
u=4,
sigma=0.02,
E=65,
X_0=60,
X_max=12,
Y_0=60,
Y_max=12,
p=1.2 * 10 ** 6),
320.872401634215750,
decimal=7)
np.testing.assert_almost_equal(
contrast_sensitivity_function_Barten1999(
u=4,
sigma=0.01,
E=130,
X_0=60,
X_max=12,
Y_0=60,
Y_max=12,
p=1.2 * 10 ** 6),
455.171315756946400,
decimal=7)
np.testing.assert_almost_equal(
contrast_sensitivity_function_Barten1999(
u=4,
sigma=0.01,
E=65,
X_0=120,
X_max=12,
Y_0=60,
Y_max=12,
p=1.2 * 10 ** 6),
352.996281545740660,
decimal=7)
np.testing.assert_almost_equal(
contrast_sensitivity_function_Barten1999(
u=4,
sigma=0.01,
E=65,
X_0=60,
X_max=24,
Y_0=60,
Y_max=12,
p=1.2 * 10 ** 6),
358.881580104493650,
decimal=7)
np.testing.assert_almost_equal(
contrast_sensitivity_function_Barten1999(
u=4,
sigma=0.01,
E=65,
X_0=240,
X_max=12,
Y_0=60,
Y_max=12,
p=1.2 * 10 ** 6),
contrast_sensitivity_function_Barten1999(
u=4,
sigma=0.01,
E=65,
X_0=60,
X_max=12,
Y_0=240,
Y_max=12,
p=1.2 * 10 ** 6),
decimal=7)
np.testing.assert_almost_equal(
contrast_sensitivity_function_Barten1999(
u=4,
sigma=0.01,
E=65,
X_0=60,
X_max=12,
Y_0=60,
Y_max=12,
p=1.4 * 10 ** 6),
374.791328640476140,
decimal=7)
