def test_sech_deriv(self):
"""Test sech derivative pulse."""
amp = 0.5
center = 20
sigma = 2
times = np.linspace(0, 40, 1000)
sech_deriv_arr = continuous.sech_deriv(times, amp, center, sigma)
self.assertEqual(sech_deriv_arr.dtype, np.complex_)
self.assertAlmostEqual(continuous.sech_deriv(np.array([0]), amp, center, sigma)[0],
0, places=3)
def test_sech_deriv(self):
"""Test discrete sampled sech derivative pulse."""
amp = 0.5
sigma = 2
duration = 10
center = duration/2
times = np.arange(0, duration) + 0.5
sech_deriv_ref = continuous.sech_deriv(times, amp, center, sigma)
sech_deriv_pulse = library.sech_deriv(duration, amp, sigma)
self.assertIsInstance(sech_deriv_pulse, Waveform)
np.testing.assert_array_almost_equal(sech_deriv_pulse.samples, sech_deriv_ref)
