Deutsch Jozsa algorithm

from qlasskit import qlassf, Qint


@qlassf
def f(a: Qint[4]) -> bool:
    return a > 7
f.export("qiskit").draw("mpl")
_images/51045eff5d03a2fac76a92da0aec1d51576887398f782477c3e965d1fe71d542.png
from qlasskit.algorithms import DeutschJozsa

q_algo = DeutschJozsa(f)
qc = q_algo.export("qiskit")
qc.draw("mpl")
_images/f81e5a97d5f27440ad674c66d08a4e31bf4b2d793509d1bd81825aed1f07769f.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/f13486e1d051b21323bc2c177bd44f61404006e876b2c692c28bcdf1bb78774e.png