def test_split_operator_trotter_ansatz_parameters():
ansatz = SplitOperatorTrotterAnsatz(hubbard_hamiltonian)
assert (set(ansatz.param_names()) == set(ansatz.params.keys()) == {
symbol.name
for symbol in ansatz.params.values()
} == {'U0', 'U1', 'U6', 'U7', 'V0_1', 'V2_3', 'V4_5', 'V6_7'})
ansatz = SplitOperatorTrotterAnsatz(hubbard_hamiltonian, iterations=2)
assert (set(ansatz.param_names()) == set(ansatz.params.keys()) == {
symbol.name
for symbol in ansatz.params.values()
} == {
'U0-0', 'U1-0', 'U6-0', 'U7-0', 'V0_1-0', 'V2_3-0', 'V4_5-0', 'V6_7-0',
'U0-1', 'U1-1', 'U6-1', 'U7-1', 'V0_1-1', 'V2_3-1', 'V4_5-1', 'V6_7-1'
})
def test_split_operator_trotter_ansatz_param_bounds():
ansatz = SplitOperatorTrotterAnsatz(hubbard_hamiltonian)
assert ansatz.param_names() == [
'U0', 'U1', 'U6', 'U7', 'V0_1', 'V2_3', 'V4_5', 'V6_7'
]
assert ansatz.param_bounds() == [(-1.0, 1.0), (-1.0, 1.0), (-1.0, 1.0),
(-1.0, 1.0), (-1.0, 1.0), (-1.0, 1.0),
(-1.0, 1.0), (-1.0, 1.0)]