def test_spow_enable(self):
"""
Tests :func:`colour.algebra.common.spow_enable` definition.
"""
with spow_enable(True):
self.assertTrue(is_spow_enabled())
with spow_enable(False):
self.assertFalse(is_spow_enabled())
@spow_enable(True)
def fn_a():
"""
:func:`spow_enable` unit tests :func:`fn_a` definition.
"""
self.assertTrue(is_spow_enabled())
fn_a()
@spow_enable(False)
def fn_b():
"""
:func:`spow_enable` unit tests :func:`fn_b` definition.
"""
self.assertFalse(is_spow_enabled())
fn_b()
def test_is_spow_enabled(self):
"""Test :func:`colour.algebra.common.is_spow_enabled` definition."""
with spow_enable(True):
self.assertTrue(is_spow_enabled())
with spow_enable(False):
self.assertFalse(is_spow_enabled())
def test_spow(self):
"""Test :func:`colour.algebra.common.spow` definition."""
self.assertEqual(spow(2, 2), 4.0)
self.assertEqual(spow(-2, 2), -4.0)
np.testing.assert_almost_equal(
spow([2, -2, -2, 0], [2, 2, 0.15, 0]),
np.array([4.00000000, -4.00000000, -1.10956947, 0.00000000]),
decimal=7,
)
with spow_enable(True):
np.testing.assert_almost_equal(
spow(-2, 0.15), -1.10956947, decimal=7
)
with spow_enable(False):
np.testing.assert_equal(spow(-2, 0.15), np.nan)
