def test_join_states() -> None:
q0 = qf.zero_state([0])
q1 = qf.zero_state([1, 2])
q2 = qf.join_states(q0, q1)
assert q2.qubit_nb == 3
assert q2.tensor[0, 0, 0] == 1
q3 = qf.zero_state([3, 4, 5])
q3 = qf.X(4).run(q3)
q4 = qf.join_states(qf.join_states(q0, q1), q3)
assert q4.qubit_nb == 6
assert q4.tensor[0, 0, 0, 0, 1, 0] == 1
def test_swap_test():
import examples.swaptest as ex
ket0 = qf.zero_state([0])
ket1 = qf.random_state([1])
ket2 = qf.random_state([2])
ket = qf.join_states(ket0, ket1)
ket = qf.join_states(ket, ket2)
fid = qf.state_fidelity(ket1, ket2.relabel([1]))
st_fid = ex.swap_test(ket, 0, 1, 2)
assert qf.asarray(fid) / qf.asarray(st_fid) == ALMOST_ONE
def test_swap_test():
import examples.swaptest as ex
ket0 = qf.zero_state([0])
ket1 = qf.random_state([1])
ket2 = qf.random_state([2])
ket = qf.join_states(ket0, ket1)
ket = qf.join_states(ket, ket2)
fid = qf.state_fidelity(ket1, ket2.on(1))
st_fid = ex.swap_test(ket, 0, 1, 2)
assert np.isclose(fid, st_fid)
def test_join_states():
q0 = qf.zero_state([0])
q1 = qf.zero_state([1, 2])
q2 = qf.join_states(q0, q1)
assert q2.qubit_nb == 3
assert q2.vec.asarray()[0, 0, 0] == ALMOST_ONE
q3 = qf.zero_state([3, 4, 5])
q3 = qf.X(4).run(q3)
print(q0)
print(q1)
print(q3)
q4 = qf.join_states(qf.join_states(q0, q1), q3)
assert q4.qubit_nb == 6
assert q4.vec.asarray()[0, 0, 0, 0, 1, 0] == ALMOST_ONE
def main():
"""CLI"""
print(swap_test.__doc__)
print("Randomly generating two 1-qubit states...")
ket0 = qf.zero_state([0])
ket1 = qf.random_state([1])
ket2 = qf.random_state([2])
ket = qf.join_states(ket0, ket1)
ket = qf.join_states(ket, ket2)
fid = qf.state_fidelity(ket1, ket2.on(1))
st_fid = swap_test(ket, 0, 1, 2)
print("Fidelity: ", fid)
print("Fidelity from swap test:", st_fid)
def main():
"""CLI"""
print(swap_test.__doc__)
print('Randomly generating two 1-qubit states...')
ket0 = qf.zero_state([0])
ket1 = qf.random_state([1])
ket2 = qf.random_state([2])
ket = qf.join_states(ket0, ket1, ket2)
fid = qf.state_fidelity(ket1, ket2.relabel([1]))
st_fid = swap_test(ket, 0, 1, 2)
print('Fidelity: ', qf.asarray(fid))
print('Fidelity from swap test:', qf.asarray(st_fid))