def test_basic_phase_gate_get_merged():
basic_gate = _basics.BasicGate()
basic_phase_gate1 = _basics.BasicPhaseGate(0.5)
basic_phase_gate2 = _basics.BasicPhaseGate(1.0)
basic_phase_gate3 = _basics.BasicPhaseGate(1.5)
with pytest.raises(_basics.NotMergeable):
basic_phase_gate1.get_merged(basic_gate)
merged_gate = basic_phase_gate1.get_merged(basic_phase_gate2)
assert merged_gate == basic_phase_gate3
def test_basic_phase_gate_comparison():
basic_phase_gate1 = _basics.BasicPhaseGate(0.5)
basic_phase_gate2 = _basics.BasicPhaseGate(0.5)
basic_phase_gate3 = _basics.BasicPhaseGate(0.5 + 2 * math.pi)
assert basic_phase_gate1 == basic_phase_gate2
assert basic_phase_gate1 == basic_phase_gate3
basic_phase_gate4 = _basics.BasicPhaseGate(0.50000001)
# Test __ne__:
assert basic_phase_gate4 != basic_phase_gate1
# Test one gate close to 2*pi the other one close to 0
basic_phase_gate5 = _basics.BasicPhaseGate(1.e-13)
basic_phase_gate6 = _basics.BasicPhaseGate(2 * math.pi - 1.e-13)
assert basic_phase_gate5 == basic_phase_gate6
# Test different types of gates
basic_gate = _basics.BasicGate()
assert not basic_gate == basic_phase_gate6
assert basic_phase_gate2 != _basics.BasicPhaseGate(0.5 + math.pi)
def test_basic_phase_gate_get_inverse(input_angle, inverse_angle):
basic_phase_gate = _basics.BasicPhaseGate(input_angle)
inverse = basic_phase_gate.get_inverse()
assert isinstance(inverse, _basics.BasicPhaseGate)
assert inverse.angle == pytest.approx(inverse_angle)
def test_basic_phase_tex_str():
basic_phase_gate = _basics.BasicPhaseGate(0.5)
assert basic_phase_gate.tex_str() == "BasicPhaseGate$_{0.5}$"
basic_rotation_gate = _basics.BasicPhaseGate(2 * math.pi - 1e-13)
assert basic_rotation_gate.tex_str() == "BasicPhaseGate$_{0.0}$"
def test_basic_phase_gate_str():
basic_phase_gate = _basics.BasicPhaseGate(0.5)
assert str(basic_phase_gate) == "BasicPhaseGate(0.5)"
def test_basic_phase_gate_init(input_angle, modulo_angle):
# Test internal representation
gate = _basics.BasicPhaseGate(input_angle)
assert gate.angle == pytest.approx(modulo_angle)
def test_basic_phase_tex_str():
basic_phase_gate = _basics.BasicPhaseGate(0.5)
assert basic_phase_gate.tex_str() == "BasicPhaseGate$_{0.5}$"
