def test_kernel_nearest(self): """ Tests :func:`colour.algebra.interpolation.kernel_nearest_neighbour` definition. """ np.testing.assert_almost_equal( kernel_nearest_neighbour(np.linspace(-5, 5, 25)), np.array([ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]), decimal=7)