def test_reps(self):
"""Test reps and order params in Trotterization"""
reps = 7
trotter = Trotter(reps=reps)
self.assertEqual(trotter.reps, reps)
order = 5
suzuki = Suzuki(reps=reps, order=order)
self.assertEqual(suzuki.reps, reps)
self.assertEqual(suzuki.order, order)
qdrift = QDrift(reps=reps)
self.assertEqual(qdrift.reps, reps)
def test_qdrift(self):
""" QDrift test """
op = (2 * Z ^ Z) + (3 * X ^ X) - (4 * Y ^ Y) + (.5 * Z ^ I)
trotterization = QDrift().convert(op)
self.assertGreater(len(trotterization.oplist), 150)
last_coeff = None
# Check that all types are correct and all coefficients are equals
for op in trotterization.oplist:
self.assertIsInstance(op, (EvolvedOp, CircuitOp))
if isinstance(op, EvolvedOp):
if last_coeff:
self.assertEqual(op.primitive.coeff, last_coeff)
else:
last_coeff = op.primitive.coeff