def test_kernel_linear(self): """ Tests :func:`colour.algebra.interpolation.kernel_linear` definition. """ np.testing.assert_almost_equal( kernel_linear(np.linspace(-5, 5, 25)), np.array([ 0.00000000, 0.00000000, 0.00000000, 0.00000000, 0.00000000, 0.00000000, 0.00000000, 0.00000000, 0.00000000, 0.00000000, 0.16666667, 0.58333333, 1.00000000, 0.58333333, 0.16666667, 0.00000000, 0.00000000, 0.00000000, 0.00000000, 0.00000000, 0.00000000, 0.00000000, 0.00000000, 0.00000000, 0.00000000 ]), decimal=7)