def test_construct_taper_tukey():
npts = 21
result = np.ones(npts)
result[0] = 0.0
result[1] = 0.5
result[npts-1] = 0.0
result[npts-2] = 0.5
taper = util.construct_taper(npts, taper_type="tukey", alpha=0.2)
npt.assert_allclose(taper, result)
def test_construct_taper_hann():
npts = 21
taper = util.construct_taper(npts, taper_type="hann")
assert len(taper) == npts
assert taper[0] == 0.0 and taper[20] == 0.0
assert taper[10] == 1.0
def test_construct_taper_boxcar():
npts = 21
taper = util.construct_taper(npts, taper_type="boxcar")
npt.assert_allclose(taper, np.ones(21))