def test_m_seq_16(self):
c = ss.m_seq(16)
c_check = np.array([
1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 0.,
1., 0., 1., 0., 0., 1., 1., 0.
])
npt.assert_equal(c[:25], c_check)
def test_m_seq_5(self):
c = ss.m_seq(5)
c_check = np.array([
1., 1., 1., 1., 1., 0., 0., 1., 1., 0., 1., 0., 0., 1., 0., 0., 0.,
0., 1., 0., 1., 0., 1., 1., 1., 0., 1., 1., 0., 0., 0.
])
npt.assert_equal(c, c_check)
def test_interp24(self):
x = ss.m_seq(2)
y = ss.interp24(x)
y_check = np.array([ 8.95202944e-11, 1.34163933e-09, 9.65059549e-09,
4.44437220e-08, 1.48633219e-07, 3.93481543e-07,
8.92384996e-07, 1.86143255e-06, 3.71505394e-06,
7.08928675e-06, 1.27731258e-05, 2.18065111e-05,
3.58949144e-05, 5.76136754e-05, 8.98878361e-05,
1.35638003e-04, 1.98845903e-04, 2.85711249e-04,
4.03316692e-04, 5.57555026e-04, 7.55072659e-04,
1.00722733e-03, 1.32812089e-03, 1.72879988e-03,
2.22023892e-03, 2.82320495e-03, 3.56559842e-03,
4.46845856e-03, 5.54968392e-03, 6.84570710e-03,
8.40812804e-03, 1.02717590e-02, 1.24562018e-02,
1.50108479e-02, 1.80160711e-02, 2.15202204e-02,
2.55317912e-02, 3.01035822e-02, 3.53501673e-02,
4.13390064e-02, 4.80615549e-02, 5.55741246e-02,
6.40436130e-02, 7.35682641e-02, 8.41085273e-02,
9.57097399e-02, 1.08597610e-01, 1.22897001e-01,
1.38490810e-01, 1.55356681e-01, 1.73756981e-01,
1.93835690e-01, 2.15364192e-01, 2.38212644e-01,
2.62680245e-01, 2.88955795e-01, 3.16705554e-01,
3.45687757e-01, 3.76257702e-01, 4.08669655e-01,
4.42456034e-01, 4.77197735e-01, 5.13261795e-01,
5.50948788e-01, 5.89612250e-01, 6.28576388e-01,
6.68168565e-01, 7.08757382e-01, 7.49579596e-01,
7.89751182e-01, 8.29598667e-01, 8.69628354e-01])
npt.assert_almost_equal(y, y_check)
def test_deci24(self):
x = ss.m_seq(3)
y = ss.interp24(x)
yd = ss.deci24(y)
yd_check = np.array([ 3.33911797e-22, 3.71880014e-10, 4.33029514e-06,
1.16169513e-03, 4.34891180e-02, 4.08255952e-01,
1.16839852e+00])
npt.assert_almost_equal(yd, yd_check)
def test_NRZ_bits2(self):
x,b = ss.NRZ_bits2(ss.m_seq(3), 10)
x_check = np.array([ 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,
1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.,
1., 1., 1., 1., -1., -1., -1., -1., -1., -1., -1., -1., -1.,
-1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., -1., -1.,
-1., -1., -1., -1., -1., -1., -1., -1., -1., -1., -1., -1., -1.,
-1., -1., -1., -1., -1.])
b_check = np.array([ 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1])
x_vals = [-1, 1]
for bit in x:
x_check = bit in x_vals
self.assertEqual(x_check, True)
npt.assert_equal(b, b_check)
def test_NRZ_bits2_value_error(self):
with self.assertRaisesRegexp(
ValueError, 'pulse type must be rec, rc, or src') as NRZ_err:
x, b = ss.NRZ_bits2(ss.m_seq(5), 10, pulse='val')
def test_m_seq_value_error(self):
with self.assertRaisesRegexp(ValueError,
'Invalid length specified') as ms_err:
ss.m_seq(-1)
