def METHOD_NAME():
    def testInner(nx, nh):
        x = np.random.randint(-30, 30, size=nx) + 1.0
        h = np.random.randint(-20, 20, size=nh) + 1.0
        gold = fftconvolve(x, h, mode="same")
        for size in [2, 3]:
            dirt = ols(x, h, [size])
            assert np.allclose(gold, dirt)
    for nx in [20, 21]:
        for nh in [9, 10, 17, 18]:
            testInner(nx, nh)