def test_mix_direct_and_deferred(self):
sdm = SparseDM(1)
sdm.rotate_y(0, np.pi)
sdm.apply_ptm(0, ptm.amp_ph_damping_ptm(1, 0))
sdm.rotate_y(0, np.pi)
sdm.project_measurement(0, 0)
assert not np.allclose(sdm.trace(), 1)
def test_peak_on_hadamard():
sdm = SparseDM(1)
hadamard = ptm.hadamard_ptm()
sdm.apply_ptm(0, hadamard)
p0, p1 = sdm.peak_measurement(0)
assert np.allclose(p0, 0.5)
assert np.allclose(p1, 0.5)
def test_deferred_apply(self):
sdm = SparseDM(1)
assert 0 in sdm.classical
p = ptm.hadamard_ptm()
sdm.apply_ptm(0, p)
assert 0 in sdm.classical
assert 0 in sdm.single_ptms_to_do
sdm.combine_and_apply_single_ptm(0)
assert 0 not in sdm.classical
assert 0 not in sdm.single_ptms_to_do
