Deutsch Jozsa algorithm

from qlasskit import qlassf, Qint


@qlassf
def f(a: Qint[4]) -> bool:
    return a > 7
f.export("qiskit").draw("mpl")
_images/7c7839489a78a5bbe163f73bbde3220bb6fe40a073d80322e7ab4582224df591.png
from qlasskit.algorithms import DeutschJozsa

q_algo = DeutschJozsa(f)
qc = q_algo.export("qiskit")
qc.draw("mpl")
_images/c5807171f2061ee8e079bd39124c6f604cee0dd0f66ec1a23a08a78930ac277d.png
from qiskit import QuantumCircuit, transpile
from qiskit.visualization import plot_histogram
from qiskit_aer import AerSimulator

qc.measure_all()
simulator = AerSimulator()
circ = transpile(qc, simulator)
result = simulator.run(circ).result()
counts = result.get_counts(circ)

counts_readable = q_algo.decode_counts(counts)
plot_histogram(counts_readable)
_images/e998850edbd184f7eddf3b5d83b4968184d4fd82cba936732da4a970f6922510.png