def test_run_factory():
rand_circ = random_identity_circuit(depth=TEST_DEPTH)
qp = measure(rand_circ, qid=0)
fac = RichardsonFactory([1.0, 2.0, 3.0])
fac.run(qp, basic_executor, scale_noise)
result = fac.reduce()
assert np.isclose(result, 1.0, atol=1.0e-1)
def test_run_factory():
"""Tests qrun of a Richardson Factory."""
qp = random_one_qubit_identity_circuit(num_cliffords=TEST_DEPTH)
qp = measure(qp, 0)
fac = RichardsonFactory([1.0, 2.0, 3.0])
fac.run(qp, basic_executor, scale_noise)
result = fac.reduce()
assert np.isclose(result, 1.0, atol=1.0e-1)
def test_richardson_extr(test_f: Callable[[float], float]):
"""Test of the Richardson's extrapolator."""
seeded_f = apply_seed_to_func(test_f, SEED)
fac = RichardsonFactory(scale_factors=X_VALS)
assert not fac._opt_params
fac.run_classical(seeded_f)
zne_value = fac.reduce()
assert np.isclose(zne_value, seeded_f(0, err=0), atol=CLOSE_TOL)
assert len(fac._opt_params) == len(X_VALS)
assert np.isclose(fac._opt_params[-1], zne_value)