def test_gkp_str_representation(self, state, ampl, eps, r, s):
"""Test the string representation of the GKP operation"""
assert (str(
ops.GKP(state=state,
ampl_cutoff=ampl,
epsilon=eps,
representation=r,
shape=s)) ==
f"GKP({str(state)}, {str(eps)}, {str(ampl)}, {r}, {s})")
def test_gkp_state_parity(self, setup_eng, cutoff, bsize, pure, tol):
"""Test GKP state function matches in bosonic and fock backend"""
eng, prog = setup_eng(1)
with prog.context as q:
ops.GKP() | q[0]
state = eng.run(prog).state
assert np.allclose(1, state.parity_expectation([0]))
def test_gkp_complex_error(self, setup_eng, cutoff, bsize, pure, tol):
r"""Checks that trying to call a complex representation
raises an error.
This test can be updated once the complex representation is
implemented."""
eng, prog = setup_eng(1)
with prog.context as q:
ops.GKP(representation="complex") | q[0]
with pytest.raises(NotImplementedError):
eng.run(prog)