def test_F0Gate_text_diagram():
qubits = LineQubit.range(2)
circuit = cirq.Circuit(_F0Gate().on(*qubits))
assert circuit.to_text_diagram(use_unicode_characters=False).strip() == """
0: ---F0---
|
1: ---F0---
""".strip()
def test_F0Gate_text_unicode_diagram():
qubits = LineQubit.range(2)
circuit = cirq.Circuit(_F0Gate().on(*qubits))
assert circuit.to_text_diagram().strip() == """
0: ───F₀───
│
1: ───F₀───
""".strip()
def test_F0Gate_transform(amplitudes):
qubits = LineQubit.range(2)
initial_state = _single_fermionic_modes_state(amplitudes)
expected_state = _single_fermionic_modes_state(
_fourier_transform_single_fermionic_modes(amplitudes))
circuit = cirq.Circuit(_F0Gate().on(*qubits))
state = circuit.final_wavefunction(initial_state)
assert np.allclose(state, expected_state, rtol=0.0)
def test_F0Gate_transform(amplitudes):
qubits = LineQubit.range(2)
initial_state = _single_fermionic_modes_state(amplitudes)
expected_state = _single_fermionic_modes_state(
_fourier_transform_single_fermionic_modes(amplitudes))
circuit = cirq.Circuit.from_ops(_F0Gate().on(*qubits))
state = circuit.apply_unitary_effect_to_state(initial_state)
assert np.allclose(state, expected_state, rtol=0.0)