def test_meltohz_htk_no_arg(self):
with self.assertRaises(TypeError):
meltohz_htk()
def test_hztomel_htk(self):
for f in np.linspace(0, 20000, 1000):
assert_almost_equal(meltohz_htk(hztomel_htk(f)) - f, 0, decimal=1)
for f in np.linspace(0, 20000, 1000):
assert_almost_equal(hztomel_htk(meltohz_htk(f)) - f, 0, decimal=1)