def test_cx_int(self, n):
"""Test CX.power(<int>) method.
"""
result = CnotGate().power(n)
self.assertEqual(result.label, 'cx^' + str(n))
self.assertIsInstance(result, UnitaryGate)
assert_array_almost_equal(result.to_matrix(), self.results[n])
def test_standard_2Q_one(self):
"""Test standard 2Q gate.repeat(1) method.
"""
qr = QuantumRegister(2, 'qr')
expected_circ = QuantumCircuit(qr)
expected_circ.append(CnotGate(), [qr[0], qr[1]])
expected = expected_circ.to_instruction()
result = CnotGate().repeat(1)
self.assertEqual(result.name, 'cx*1')
self.assertEqual(result.definition, expected.definition)
self.assertIsInstance(result, Gate)
def __init__(self, kak_basis_gate=CnotGate(), force_consolidate=False):
"""
Args:
kak_basis_gate (Gate): Basis gate for KAK decomposition.
force_consolidate (bool): Force block consolidation
"""
super().__init__()
self.force_consolidate = force_consolidate
self.decomposer = TwoQubitBasisDecomposer(kak_basis_gate)
def test_standard_2Q_zero(self):
"""Test standard 2Q gate.repeat(0) method. Raises, since n<1.
"""
with self.assertRaises(CircuitError) as context:
_ = CnotGate().repeat(0)
self.assertIn('strictly positive integer', str(context.exception))
