def test_nan_xy_to_Luv_uv(self):
"""
Tests :func:`colour.models.cie_luv.xy_to_Luv_uv` definition nan
support.
"""
cases = [-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]
cases = set(permutations(cases * 3, r=2))
for case in cases:
xy = np.array(case)
xy_to_Luv_uv(xy)
def test_nan_xy_to_Luv_uv(self):
"""
Tests :func:`colour.models.cie_luv.xy_to_Luv_uv` definition nan
support.
"""
cases = [-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]
cases = set(permutations(cases * 3, r=2))
for case in cases:
xy = np.array(case)
xy_to_Luv_uv(xy)
def uv_to_ij(uv: NDArray) -> NDArray:
"""
Convert given *uv* chromaticity coordinates to *ij* chromaticity
coordinates.
"""
return xy_to_Luv_uv(UCS_uv_to_xy(uv))
def test_n_dimensional_xy_to_Luv_uv(self):
"""
Tests :func:`colour.models.cie_luv.xy_to_Luv_uv` definition
n-dimensional arrays support.
"""
xy = np.array([0.54369558, 0.32107944])
uv = xy_to_Luv_uv(xy)
xy = np.tile(xy, (6, 1))
uv = np.tile(uv, (6, 1))
np.testing.assert_almost_equal(xy_to_Luv_uv(xy), uv, decimal=7)
xy = np.reshape(xy, (2, 3, 2))
uv = np.reshape(uv, (2, 3, 2))
np.testing.assert_almost_equal(xy_to_Luv_uv(xy), uv, decimal=7)
def test_n_dimensional_xy_to_Luv_uv(self):
"""
Tests :func:`colour.models.cie_luv.xy_to_Luv_uv` definition
n-dimensional arrays support.
"""
xy = np.array([0.54369558, 0.32107944])
uv = xy_to_Luv_uv(xy)
xy = np.tile(xy, (6, 1))
uv = np.tile(uv, (6, 1))
np.testing.assert_almost_equal(xy_to_Luv_uv(xy), uv, decimal=7)
xy = np.reshape(xy, (2, 3, 2))
uv = np.reshape(uv, (2, 3, 2))
np.testing.assert_almost_equal(xy_to_Luv_uv(xy), uv, decimal=7)
def xy_to_ij(xy):
"""
Converts given *xy* chromaticity coordinates to *ij* chromaticity
coordinates.
"""
return xy_to_Luv_uv(xy)
def xy_to_ij(xy):
"""
Converts given *xy* chromaticity coordinates to *ij* chromaticity
coordinates.
"""
return xy_to_Luv_uv(xy)
def test_xy_to_Luv_uv(self):
"""
Tests :func:`colour.models.cie_luv.xy_to_Luv_uv` definition.
"""
np.testing.assert_almost_equal(
xy_to_Luv_uv(np.array([0.54369558, 0.32107944])),
np.array([0.37720213, 0.50120264]),
decimal=7)
np.testing.assert_almost_equal(
xy_to_Luv_uv(np.array([0.29777734, 0.48246445])),
np.array([0.14536327, 0.52992069]),
decimal=7)
np.testing.assert_almost_equal(
xy_to_Luv_uv(np.array([0.18582824, 0.14633764])),
np.array([0.16953603, 0.30039234]),
decimal=7)
def test_xy_to_Luv_uv(self):
"""
Tests :func:`colour.models.cie_luv.xy_to_Luv_uv` definition.
"""
np.testing.assert_almost_equal(xy_to_Luv_uv(
np.array([0.54369558, 0.32107944])),
np.array([0.37720213, 0.50120264]),
decimal=7)
np.testing.assert_almost_equal(xy_to_Luv_uv(
np.array([0.29777734, 0.48246445])),
np.array([0.14536327, 0.52992069]),
decimal=7)
np.testing.assert_almost_equal(xy_to_Luv_uv(
np.array([0.18582824, 0.14633764])),
np.array([0.16953603, 0.30039234]),
decimal=7)