def test_cu3_definition(self):
"""Test cu3 gate matrix and definition.
"""
circ = QuantumCircuit(2)
circ.append(CU3Gate(1, 1, 1), [0, 1])
decomposed_circ = circ.decompose()
self.assertTrue(Operator(circ).equiv(Operator(decomposed_circ)))
def test_loading_all_qelib1_gates(self):
"""Test setting up a circuit with all gates defined in qiskit/qasm/libs/qelib1.inc."""
from qiskit.circuit.library import U1Gate, U2Gate, U3Gate, CU1Gate, CU3Gate, UGate
all_gates_qasm = os.path.join(self.qasm_dir, "all_gates.qasm")
qasm_circuit = QuantumCircuit.from_qasm_file(all_gates_qasm)
ref_circuit = QuantumCircuit(3, 3)
# abstract gates (legacy)
ref_circuit.append(UGate(0.2, 0.1, 0.6), [0])
ref_circuit.cx(0, 1)
# the hardware primitives
ref_circuit.append(U3Gate(0.2, 0.1, 0.6), [0])
ref_circuit.append(U2Gate(0.1, 0.6), [0])
ref_circuit.append(U1Gate(0.6), [0])
ref_circuit.id(0)
ref_circuit.cx(0, 1)
# the standard single qubit gates
ref_circuit.u(0.2, 0.1, 0.6, 0)
ref_circuit.p(0.6, 0)
ref_circuit.x(0)
ref_circuit.y(0)
ref_circuit.z(0)
ref_circuit.h(0)
ref_circuit.s(0)
ref_circuit.t(0)
ref_circuit.sdg(0)
ref_circuit.tdg(0)
ref_circuit.sx(0)
ref_circuit.sxdg(0)
# the standard rotations
ref_circuit.rx(0.1, 0)
ref_circuit.ry(0.1, 0)
ref_circuit.rz(0.1, 0)
# the barrier
ref_circuit.barrier()
# the standard user-defined gates
ref_circuit.swap(0, 1)
ref_circuit.cswap(0, 1, 2)
ref_circuit.cy(0, 1)
ref_circuit.cz(0, 1)
ref_circuit.ch(0, 1)
ref_circuit.csx(0, 1)
ref_circuit.append(CU1Gate(0.6), [0, 1])
ref_circuit.append(CU3Gate(0.2, 0.1, 0.6), [0, 1])
ref_circuit.cp(0.6, 0, 1)
ref_circuit.cu(0.2, 0.1, 0.6, 0, 0, 1)
ref_circuit.ccx(0, 1, 2)
ref_circuit.crx(0.6, 0, 1)
ref_circuit.cry(0.6, 0, 1)
ref_circuit.crz(0.6, 0, 1)
ref_circuit.rxx(0.2, 0, 1)
ref_circuit.rzz(0.2, 0, 1)
ref_circuit.measure([0, 1, 2], [0, 1, 2])
self.assertEqual(qasm_circuit, ref_circuit)
def test_unroll_cu3(self):
"""test unroll cu3"""
self.circuit.append(CU3Gate(0.2, 0.1, 0.0), [1, 2])
self.ref_circuit.append(U3Gate(0, 0, 0.05), [1])
self.ref_circuit.append(U3Gate(0, 0, -0.05), [2])
self.ref_circuit.cx(1, 2)
self.ref_circuit.append(U3Gate(-0.1, 0, -0.05), [2])
self.ref_circuit.cx(1, 2)
self.ref_circuit.append(U3Gate(0.1, 0.1, 0), [2])
self.compare_dags()
def test_u_gates(self):
"""Test U 1, 2, & 3 gates"""
from qiskit.circuit.library import U1Gate, U2Gate, U3Gate, CU1Gate, CU3Gate
qr = QuantumRegister(4, 'q')
circuit = QuantumCircuit(qr)
circuit.append(U1Gate(3 * pi / 2), [0])
circuit.append(U2Gate(3 * pi / 2, 2 * pi / 3), [1])
circuit.append(U3Gate(3 * pi / 2, 4.5, pi / 4), [2])
circuit.append(CU1Gate(pi / 4), [0, 1])
circuit.append(U2Gate(pi / 2, 3 * pi / 2).control(1), [2, 3])
circuit.append(CU3Gate(3 * pi / 2, -3 * pi / 4, -pi / 2), [0, 1])
self.circuit_drawer(circuit, filename='u_gates.png')
class TestParameterCtrlState(QiskitTestCase):
"""Test gate equality with ctrl_state parameter."""
@data((RXGate(0.5), CRXGate(0.5)), (RYGate(0.5), CRYGate(0.5)),
(RZGate(0.5), CRZGate(0.5)), (XGate(), CXGate()),
(YGate(), CYGate()), (ZGate(), CZGate()),
(U1Gate(0.5), CU1Gate(0.5)), (SwapGate(), CSwapGate()),
(HGate(), CHGate()), (U3Gate(0.1, 0.2, 0.3), CU3Gate(0.1, 0.2, 0.3)))
@unpack
def test_ctrl_state_one(self, gate, controlled_gate):
"""Test controlled gates with ctrl_state
See https://github.com/Qiskit/qiskit-terra/pull/4025
"""
self.assertEqual(gate.control(1, ctrl_state='1'), controlled_gate)
def test_unroll_cu3(self):
"""test unroll cu3"""
# ┌──────────────┐
# q_1: ────────■──────── q_1: ─┤ U3(0,0,0.05) ├──■────────────────────────■───────────────────
# ┌───────┴───────┐ = ┌┴──────────────┤┌─┴─┐┌──────────────────┐┌─┴─┐┌───────────────┐
# q_2: ┤ U3(0.2,0.1,0) ├ q_2: ┤ U3(0,0,-0.05) ├┤ X ├┤ U3(-0.1,0,-0.05) ├┤ X ├┤ U3(0.1,0.1,0) ├
# └───────────────┘ └───────────────┘└───┘└──────────────────┘└───┘└───────────────┘
self.circuit.append(CU3Gate(0.2, 0.1, 0.0), [1, 2])
self.ref_circuit.append(U3Gate(0, 0, 0.05), [1])
self.ref_circuit.append(U3Gate(0, 0, -0.05), [2])
self.ref_circuit.cx(1, 2)
self.ref_circuit.append(U3Gate(-0.1, 0, -0.05), [2])
self.ref_circuit.cx(1, 2)
self.ref_circuit.append(U3Gate(0.1, 0.1, 0), [2])
self.compare_dags()
def test_u_gates(self):
"""Test U 1, 2, & 3 gates"""
filename = self._get_resource_path('test_latex_u_gates.tex')
from qiskit.circuit.library import U1Gate, U2Gate, U3Gate, CU1Gate, CU3Gate
qr = QuantumRegister(4, 'q')
circuit = QuantumCircuit(qr)
circuit.append(U1Gate(3 * pi / 2), [0])
circuit.append(U2Gate(3 * pi / 2, 2 * pi / 3), [1])
circuit.append(U3Gate(3 * pi / 2, 4.5, pi / 4), [2])
circuit.append(CU1Gate(pi / 4), [0, 1])
circuit.append(U2Gate(pi / 2, 3 * pi / 2).control(1), [2, 3])
circuit.append(CU3Gate(3 * pi / 2, -3 * pi / 4, -pi / 2), [0, 1])
circuit_drawer(circuit, filename=filename, output='latex_source')
self.assertEqualToReference(filename)
def sample_circuit(self):
"""Generate a sample circuit that includes the most common elements of
quantum circuits.
"""
qr = QuantumRegister(3, 'q')
cr = ClassicalRegister(3, 'c')
circuit = QuantumCircuit(qr, cr)
circuit.x(qr[0])
circuit.y(qr[0])
circuit.z(qr[0])
circuit.barrier(qr[0])
circuit.barrier(qr[1])
circuit.barrier(qr[2])
circuit.h(qr[0])
circuit.s(qr[0])
circuit.sdg(qr[0])
circuit.t(qr[0])
circuit.tdg(qr[0])
circuit.sx(qr[0])
circuit.sxdg(qr[0])
circuit.i(qr[0])
circuit.reset(qr[0])
circuit.rx(pi, qr[0])
circuit.ry(pi, qr[0])
circuit.rz(pi, qr[0])
circuit.append(U1Gate(pi), [qr[0]])
circuit.append(U2Gate(pi, pi), [qr[0]])
circuit.append(U3Gate(pi, pi, pi), [qr[0]])
circuit.swap(qr[0], qr[1])
circuit.cx(qr[0], qr[1])
circuit.cy(qr[0], qr[1])
circuit.cz(qr[0], qr[1])
circuit.ch(qr[0], qr[1])
circuit.append(CU1Gate(pi), [qr[0], qr[1]])
circuit.append(CU3Gate(pi, pi, pi), [qr[0], qr[1]])
circuit.crz(pi, qr[0], qr[1])
circuit.cry(pi, qr[0], qr[1])
circuit.crx(pi, qr[0], qr[1])
circuit.ccx(qr[0], qr[1], qr[2])
circuit.cswap(qr[0], qr[1], qr[2])
circuit.measure(qr, cr)
return circuit
def test_unroll_all_instructions(self):
"""Test unrolling a circuit containing all standard instructions.
"""
qr = QuantumRegister(3, 'qr')
cr = ClassicalRegister(3, 'cr')
circuit = QuantumCircuit(qr, cr)
circuit.crx(0.5, qr[1], qr[2])
circuit.cry(0.5, qr[1], qr[2])
circuit.ccx(qr[0], qr[1], qr[2])
circuit.ch(qr[0], qr[2])
circuit.crz(0.5, qr[1], qr[2])
circuit.cswap(qr[1], qr[0], qr[2])
circuit.append(CU1Gate(0.1), [qr[0], qr[2]])
circuit.append(CU3Gate(0.2, 0.1, 0.0), [qr[1], qr[2]])
circuit.cx(qr[1], qr[0])
circuit.cy(qr[1], qr[2])
circuit.cz(qr[2], qr[0])
circuit.h(qr[1])
circuit.i(qr[0])
circuit.rx(0.1, qr[0])
circuit.ry(0.2, qr[1])
circuit.rz(0.3, qr[2])
circuit.rzz(0.6, qr[1], qr[0])
circuit.s(qr[0])
circuit.sdg(qr[1])
circuit.swap(qr[1], qr[2])
circuit.t(qr[2])
circuit.tdg(qr[0])
circuit.append(U1Gate(0.1), [qr[1]])
circuit.append(U2Gate(0.2, -0.1), [qr[0]])
circuit.append(U3Gate(0.3, 0.0, -0.1), [qr[2]])
circuit.x(qr[2])
circuit.y(qr[1])
circuit.z(qr[0])
# circuit.snapshot('0')
# circuit.measure(qr, cr)
dag = circuit_to_dag(circuit)
pass_ = UnrollCustomDefinitions(std_eqlib, ['u3', 'cx', 'id'])
dag = pass_.run(dag)
pass_ = BasisTranslator(std_eqlib, ['u3', 'cx', 'id'])
unrolled_dag = pass_.run(dag)
ref_circuit = QuantumCircuit(qr, cr)
ref_circuit.append(U3Gate(0, 0, pi / 2), [qr[2]])
ref_circuit.cx(qr[1], qr[2])
ref_circuit.append(U3Gate(-0.25, 0, 0), [qr[2]])
ref_circuit.cx(qr[1], qr[2])
ref_circuit.append(U3Gate(0.25, -pi / 2, 0), [qr[2]])
ref_circuit.append(U3Gate(0.25, 0, 0), [qr[2]])
ref_circuit.cx(qr[1], qr[2])
ref_circuit.append(U3Gate(-0.25, 0, 0), [qr[2]])
ref_circuit.cx(qr[1], qr[2])
ref_circuit.append(U3Gate(pi / 2, 0, pi), [qr[2]])
ref_circuit.cx(qr[1], qr[2])
ref_circuit.append(U3Gate(0, 0, -pi / 4), [qr[2]])
ref_circuit.cx(qr[0], qr[2])
ref_circuit.append(U3Gate(0, 0, pi / 4), [qr[2]])
ref_circuit.cx(qr[1], qr[2])
ref_circuit.append(U3Gate(0, 0, pi / 4), [qr[1]])
ref_circuit.append(U3Gate(0, 0, -pi / 4), [qr[2]])
ref_circuit.cx(qr[0], qr[2])
ref_circuit.cx(qr[0], qr[1])
ref_circuit.append(U3Gate(0, 0, pi / 4), [qr[0]])
ref_circuit.append(U3Gate(0, 0, -pi / 4), [qr[1]])
ref_circuit.cx(qr[0], qr[1])
ref_circuit.append(U3Gate(0, 0, pi / 4), [qr[2]])
ref_circuit.append(U3Gate(pi / 2, 0, pi), [qr[2]])
ref_circuit.append(U3Gate(0, 0, pi / 2), [qr[2]])
ref_circuit.append(U3Gate(pi / 2, 0, pi), [qr[2]])
ref_circuit.append(U3Gate(0, 0, pi / 4), [qr[2]])
ref_circuit.cx(qr[0], qr[2])
ref_circuit.append(U3Gate(0, 0, -pi / 4), [qr[2]])
ref_circuit.append(U3Gate(pi / 2, 0, pi), [qr[2]])
ref_circuit.append(U3Gate(0, 0, -pi / 2), [qr[2]])
ref_circuit.append(U3Gate(0, 0, 0.25), [qr[2]])
ref_circuit.cx(qr[1], qr[2])
ref_circuit.append(U3Gate(0, 0, -0.25), [qr[2]])
ref_circuit.cx(qr[1], qr[2])
ref_circuit.cx(qr[2], qr[0])
ref_circuit.append(U3Gate(pi / 2, 0, pi), [qr[2]])
ref_circuit.cx(qr[0], qr[2])
ref_circuit.append(U3Gate(0, 0, -pi / 4), [qr[2]])
ref_circuit.cx(qr[1], qr[2])
ref_circuit.append(U3Gate(0, 0, pi / 4), [qr[2]])
ref_circuit.cx(qr[0], qr[2])
ref_circuit.append(U3Gate(0, 0, pi / 4), [qr[0]])
ref_circuit.append(U3Gate(0, 0, -pi / 4), [qr[2]])
ref_circuit.cx(qr[1], qr[2])
ref_circuit.cx(qr[1], qr[0])
ref_circuit.append(U3Gate(0, 0, -pi / 4), [qr[0]])
ref_circuit.append(U3Gate(0, 0, pi / 4), [qr[1]])
ref_circuit.cx(qr[1], qr[0])
ref_circuit.append(U3Gate(0, 0, 0.05), [qr[1]])
ref_circuit.append(U3Gate(0, 0, pi / 4), [qr[2]])
ref_circuit.append(U3Gate(pi / 2, 0, pi), [qr[2]])
ref_circuit.cx(qr[2], qr[0])
ref_circuit.append(U3Gate(0, 0, 0.05), [qr[0]])
ref_circuit.cx(qr[0], qr[2])
ref_circuit.append(U3Gate(0, 0, -0.05), [qr[2]])
ref_circuit.cx(qr[0], qr[2])
ref_circuit.append(U3Gate(0, 0, 0.05), [qr[2]])
ref_circuit.append(U3Gate(0, 0, -0.05), [qr[2]])
ref_circuit.cx(qr[1], qr[2])
ref_circuit.append(U3Gate(-0.1, 0, -0.05), [qr[2]])
ref_circuit.cx(qr[1], qr[2])
ref_circuit.cx(qr[1], qr[0])
ref_circuit.append(U3Gate(pi / 2, 0, pi), [qr[0]])
ref_circuit.append(U3Gate(0.1, 0.1, 0), [qr[2]])
ref_circuit.append(U3Gate(0, 0, -pi / 2), [qr[2]])
ref_circuit.cx(qr[1], qr[2])
ref_circuit.append(U3Gate(pi / 2, 0, pi), [qr[1]])
ref_circuit.append(U3Gate(0.2, 0, 0), [qr[1]])
ref_circuit.append(U3Gate(0, 0, pi / 2), [qr[2]])
ref_circuit.cx(qr[2], qr[0])
ref_circuit.append(U3Gate(pi / 2, 0, pi), [qr[0]])
ref_circuit.i(qr[0])
ref_circuit.append(U3Gate(0.1, -pi / 2, pi / 2), [qr[0]])
ref_circuit.cx(qr[1], qr[0])
ref_circuit.append(U3Gate(0, 0, 0.6), [qr[0]])
ref_circuit.cx(qr[1], qr[0])
ref_circuit.append(U3Gate(0, 0, pi / 2), [qr[0]])
ref_circuit.append(U3Gate(0, 0, -pi / 4), [qr[0]])
ref_circuit.append(U3Gate(pi / 2, 0.2, -0.1), [qr[0]])
ref_circuit.append(U3Gate(0, 0, pi), [qr[0]])
ref_circuit.append(U3Gate(0, 0, -pi / 2), [qr[1]])
ref_circuit.append(U3Gate(0, 0, 0.3), [qr[2]])
ref_circuit.cx(qr[1], qr[2])
ref_circuit.cx(qr[2], qr[1])
ref_circuit.cx(qr[1], qr[2])
ref_circuit.append(U3Gate(0, 0, 0.1), [qr[1]])
ref_circuit.append(U3Gate(pi, pi / 2, pi / 2), [qr[1]])
ref_circuit.append(U3Gate(0, 0, pi / 4), [qr[2]])
ref_circuit.append(U3Gate(0.3, 0.0, -0.1), [qr[2]])
ref_circuit.append(U3Gate(pi, 0, pi), [qr[2]])
# ref_circuit.snapshot('0')
# ref_circuit.measure(qr, cr)
# ref_dag = circuit_to_dag(ref_circuit)
self.assertTrue(
Operator(dag_to_circuit(unrolled_dag)).equiv(ref_circuit))
def test_controlled_u3(self):
"""Test the creation of a controlled U3 gate."""
theta, phi, lamb = 0.1, 0.2, 0.3
self.assertEqual(
U3Gate(theta, phi, lamb).control(), CU3Gate(theta, phi, lamb))
