Deutsch Jozsa algorithm

from qlasskit import qlassf, Qint


@qlassf
def f(a: Qint[4]) -> bool:
    return a > 7
f.export("qiskit").draw("mpl")
_images/2e138a573a4273db9b8c0f72d486a0c0c47a691bf7a6240b064765883403a896.png
from qlasskit.algorithms import DeutschJozsa

q_algo = DeutschJozsa(f)
qc = q_algo.export("qiskit")
qc.draw("mpl")
_images/e6f7ad2223911d9beeb57742216dbadb7bf7acd57bfe53558fef842e4415b63a.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/726316f0eb976373d8544bfea9339a3cc1248301bf3c16496332bc8f3e6f5789.png