def test_n_dimensional_cartesian_to_spherical(self):
"""
Tests :func:`colour.algebra.coordinates.transformations.\
cartesian_to_spherical` definition n-dimensional arrays support.
"""
vector_i = np.array([3, 1, 6])
vector_o = np.array([6.78232998, 1.08574654, 0.32175055])
np.testing.assert_almost_equal(
cartesian_to_spherical(vector_i),
vector_o,
decimal=7)
vector_i = np.tile(vector_i, (6, 1))
vector_o = np.tile(vector_o, (6, 1))
np.testing.assert_almost_equal(
cartesian_to_spherical(vector_i),
vector_o,
decimal=7)
vector_i = np.reshape(vector_i, (2, 3, 3))
vector_o = np.reshape(vector_o, (2, 3, 3))
np.testing.assert_almost_equal(
cartesian_to_spherical(vector_i),
vector_o,
decimal=7)
def test_n_dimensional_cartesian_to_spherical(self):
"""
Tests :func:`colour.algebra.coordinates.transformations.\
cartesian_to_spherical` definition n-dimensional arrays support.
"""
a_i = np.array([3, 1, 6])
a_o = np.array([6.78232998, 1.08574654, 0.32175055])
np.testing.assert_almost_equal(
cartesian_to_spherical(a_i),
a_o,
decimal=7)
a_i = np.tile(a_i, (6, 1))
a_o = np.tile(a_o, (6, 1))
np.testing.assert_almost_equal(
cartesian_to_spherical(a_i),
a_o,
decimal=7)
a_i = np.reshape(a_i, (2, 3, 3))
a_o = np.reshape(a_o, (2, 3, 3))
np.testing.assert_almost_equal(
cartesian_to_spherical(a_i),
a_o,
decimal=7)
def test_nan_cartesian_to_spherical(self):
"""
Tests :func:`colour.algebra.coordinates.transformations.\
cartesian_to_spherical` 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:
a_i = np.array(case)
cartesian_to_spherical(a_i)
def test_nan_cartesian_to_spherical(self):
"""
Tests :func:`colour.algebra.coordinates.transformations.\
cartesian_to_spherical` 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:
a_i = np.array(case)
cartesian_to_spherical(a_i)
def test_n_dimensional_cartesian_to_spherical(self):
"""
Tests :func:`colour.algebra.coordinates.transformations.\
cartesian_to_spherical` definition n-dimensional arrays support.
"""
a_i = np.array([3, 1, 6])
a_o = cartesian_to_spherical(a_i)
a_i = np.tile(a_i, (6, 1))
a_o = np.tile(a_o, (6, 1))
np.testing.assert_almost_equal(
cartesian_to_spherical(a_i), a_o, decimal=7)
a_i = np.reshape(a_i, (2, 3, 3))
a_o = np.reshape(a_o, (2, 3, 3))
np.testing.assert_almost_equal(
cartesian_to_spherical(a_i), a_o, decimal=7)
def test_cartesian_to_spherical(self):
"""
Tests
:func:`colour.algebra.coordinates.transformations.cartesian_to_spherical` # noqa
definition.
"""
np.testing.assert_almost_equal(
cartesian_to_spherical((3, 1, 6)),
np.array([6.78232998, 1.08574654, 0.32175055]),
decimal=7)
np.testing.assert_almost_equal(
cartesian_to_spherical((-1, 9, 16)),
np.array([18.38477631, 1.05578119, 1.68145355]),
decimal=7)
np.testing.assert_almost_equal(
cartesian_to_spherical((6.3434, -0.9345, 18.5675)),
np.array([19.64342307, 1.2382903, -0.1462664]),
decimal=7)
def test_cartesian_to_spherical(self):
"""
Tests
:func:`colour.algebra.coordinates.transformations.cartesian_to_spherical` # noqa
definition.
"""
np.testing.assert_almost_equal(
cartesian_to_spherical((3, 1, 6)),
np.array([6.78232998, 1.08574654, 0.32175055]),
decimal=7)
np.testing.assert_almost_equal(
cartesian_to_spherical((-1, 9, 16)),
np.array([18.38477631, 1.05578119, 1.68145355]),
decimal=7)
np.testing.assert_almost_equal(
cartesian_to_spherical((6.3434, -0.9345, 18.5675)),
np.array([19.64342307, 1.2382903, -0.1462664]),
decimal=7)
def test_cartesian_to_spherical(self):
"""
Tests :func:`colour.algebra.coordinates.transformations.\
cartesian_to_spherical` definition.
"""
np.testing.assert_almost_equal(
cartesian_to_spherical(np.array([3, 1, 6])),
np.array([6.78232998, 0.48504979, 0.32175055]),
decimal=7)
np.testing.assert_almost_equal(
cartesian_to_spherical(np.array([-1, 9, 16])),
np.array([18.38477631, 0.51501513, 1.68145355]),
decimal=7)
np.testing.assert_almost_equal(
cartesian_to_spherical(np.array([6.3434, -0.9345, 18.5675])),
np.array([19.64342307, 0.33250603, -0.14626640]),
decimal=7)
