def test_gauss_square_extremes(self):
"""Test that the gaussian square pulse can build a gaussian."""
duration = 125
sigma = 4
amp = 0.5j
gaus_square = GaussianSquare(duration=duration,
sigma=sigma,
amp=amp,
width=0)
gaus = Gaussian(duration=duration, sigma=sigma, amp=amp)
np.testing.assert_almost_equal(gaus_square.get_sample_pulse().samples,
gaus.get_sample_pulse().samples)
gaus_square = GaussianSquare(duration=duration,
sigma=sigma,
amp=amp,
width=121)
const = ConstantPulse(duration=duration, amp=amp)
np.testing.assert_almost_equal(
gaus_square.get_sample_pulse().samples[2:-2],
const.get_sample_pulse().samples[2:-2])
def test_gauss_square_samples(self):
"""Test that the gaussian square samples match the formula."""
duration = 125
sigma = 4
amp = 0.5j
# formulaic
times = np.array(range(25), dtype=np.complex_)
times = times - (25 / 2) + 0.5
gauss = amp * np.exp(-(times / sigma)**2 / 2)
# command
command = GaussianSquare(duration=duration,
sigma=sigma,
amp=amp,
width=100)
samples = command.get_sample_pulse().samples
np.testing.assert_almost_equal(samples[50], amp)
np.testing.assert_almost_equal(samples[100], amp)
np.testing.assert_almost_equal(samples[:10], gauss[:10])
