def test_apply_represent_equality(): gates = [ HadamardGate(int(3 * random.random())), XGate(int(3 * random.random())), ZGate(int(3 * random.random())), YGate(int(3 * random.random())), ZGate(int(3 * random.random())), PhaseGate(int(3 * random.random())), ] circuit = Qubit( int(random.random() * 2), int(random.random() * 2), int(random.random() * 2), int(random.random() * 2), int(random.random() * 2), int(random.random() * 2), ) for i in range(int(random.random() * 6)): circuit = gates[int(random.random() * 6)] * circuit mat = represent(circuit, nqubits=6) states = qapply(circuit) state_rep = matrix_to_qubit(mat) states = states.expand() state_rep = state_rep.expand() assert state_rep == states
def test_RkGate(): x = Symbol('x') assert RkGate(1, x).k == x assert RkGate(1, x).targets == (1, ) assert RkGate(1, 1) == ZGate(1) assert RkGate(2, 2) == PhaseGate(2) assert RkGate(3, 3) == TGate(3) assert represent(RkGate(0,x), nqubits =1) ==\ Matrix([[1,0],[0,exp(2*I*pi/2**x)]])
def test_cgate(): """Test the general CGate.""" # Test single control functionality CNOTMatrix = Matrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 0, 1], [0, 0, 1, 0]]) assert represent(CGate(1, XGate(0)), nqubits=2) == CNOTMatrix # Test multiple control bit functionality ToffoliGate = CGate((1, 2), XGate(0)) assert represent(ToffoliGate, nqubits=3) == Matrix([ [1, 0, 0, 0, 0, 0, 0, 0], [0, 1, 0, 0, 0, 0, 0, 0], [0, 0, 1, 0, 0, 0, 0, 0], [0, 0, 0, 1, 0, 0, 0, 0], [0, 0, 0, 0, 1, 0, 0, 0], [0, 0, 0, 0, 0, 1, 0, 0], [0, 0, 0, 0, 0, 0, 0, 1], [0, 0, 0, 0, 0, 0, 1, 0], ]) ToffoliGate = CGate((3, 0), XGate(1)) assert qapply(ToffoliGate * Qubit("1001")) == matrix_to_qubit( represent(ToffoliGate * Qubit("1001"), nqubits=4)) assert qapply(ToffoliGate * Qubit("0000")) == matrix_to_qubit( represent(ToffoliGate * Qubit("0000"), nqubits=4)) CYGate = CGate(1, YGate(0)) CYGate_matrix = Matrix( ((1, 0, 0, 0), (0, 1, 0, 0), (0, 0, 0, -I), (0, 0, I, 0))) # Test 2 qubit controlled-Y gate decompose method. assert represent(CYGate.decompose(), nqubits=2) == CYGate_matrix CZGate = CGate(0, ZGate(1)) CZGate_matrix = Matrix( ((1, 0, 0, 0), (0, 1, 0, 0), (0, 0, 1, 0), (0, 0, 0, -1))) assert qapply(CZGate * Qubit("11")) == -Qubit("11") assert matrix_to_qubit(represent(CZGate * Qubit("11"), nqubits=2)) == -Qubit("11") # Test 2 qubit controlled-Z gate decompose method. assert represent(CZGate.decompose(), nqubits=2) == CZGate_matrix CPhaseGate = CGate(0, PhaseGate(1)) assert qapply(CPhaseGate * Qubit("11")) == I * Qubit("11") assert matrix_to_qubit(represent(CPhaseGate * Qubit("11"), nqubits=2)) == I * Qubit("11") # Test that the dagger, inverse, and power of CGate is evaluated properly assert Dagger(CZGate) == CZGate assert pow(CZGate, 1) == Dagger(CZGate) assert Dagger(CZGate) == CZGate.inverse() assert Dagger(CPhaseGate) != CPhaseGate assert Dagger(CPhaseGate) == CPhaseGate.inverse() assert Dagger(CPhaseGate) == pow(CPhaseGate, -1) assert pow(CPhaseGate, -1) == CPhaseGate.inverse()
def __new__(cls, *args): if len(args) != 2: raise QuantumError("Rk gates only take two arguments, got: %r" % args) # For small k, Rk gates simplify to other gates, using these # substitutions give us familiar results for the QFT for small numbers # of qubits. target = args[0] k = args[1] if k == 1: return ZGate(target) elif k == 2: return PhaseGate(target) elif k == 3: return TGate(target) args = cls._eval_args(args) inst = Expr.__new__(cls, *args) inst.hilbert_space = cls._eval_hilbert_space(args) return inst
def test_cgate(): """Test the general CGate.""" # Test single control functionality CNOTMatrix = Matrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 0, 1], [0, 0, 1, 0]]) assert represent(CGate(1, XGate(0)), nqubits=2) == CNOTMatrix # Test multiple control bit functionality ToffoliGate = CGate((1, 2), XGate(0)) assert represent(ToffoliGate, nqubits=3) == \ Matrix([[1,0,0,0,0,0,0,0],[0,1,0,0,0,0,0,0],[0,0,1,0,0,0,0,0],\ [0,0,0,1,0,0,0,0],[0,0,0,0,1,0,0,0],[0,0,0,0,0,1,0,0],[0,0,0,0,0,0,0,1],\ [0,0,0,0,0,0,1,0]]) ToffoliGate = CGate((3, 0), XGate(1)) assert qapply(ToffoliGate*Qubit('1001')) == \ matrix_to_qubit(represent(ToffoliGate*Qubit('1001'), nqubits=4)) assert qapply(ToffoliGate*Qubit('0000')) == \ matrix_to_qubit(represent(ToffoliGate*Qubit('0000'), nqubits=4)) CYGate = CGate(1, YGate(0)) CYGate_matrix = Matrix( ((1, 0, 0, 0), (0, 1, 0, 0), (0, 0, 0, -I), (0, 0, I, 0))) # Test 2 qubit controlled-Y gate decompose method. assert represent(CYGate.decompose(), nqubits=2) == CYGate_matrix CZGate = CGate(0, ZGate(1)) CZGate_matrix = Matrix( ((1, 0, 0, 0), (0, 1, 0, 0), (0, 0, 1, 0), (0, 0, 0, -1))) assert qapply(CZGate * Qubit('11')) == -Qubit('11') assert matrix_to_qubit(represent(CZGate*Qubit('11'),nqubits=2)) ==\ -Qubit('11') # Test 2 qubit controlled-Z gate decompose method. assert represent(CZGate.decompose(), nqubits=2) == CZGate_matrix CPhaseGate = CGate(0, PhaseGate(1)) assert qapply(CPhaseGate*Qubit('11')) ==\ I*Qubit('11') assert matrix_to_qubit(represent(CPhaseGate*Qubit('11'), nqubits=2)) == \ I*Qubit('11')
def test_unitary_ZGate(): z = ZGate(1, 2) z_dagger = Dagger(z) assert (z * z_dagger == 1)
def test_hermitian_ZGate(): z = ZGate(1, 2) z_dagger = Dagger(z) assert (z == z_dagger)
def test_compound_gates(): """Test a compound gate representation.""" circuit = YGate(0) * ZGate(0) * XGate(0) * HadamardGate(0) * Qubit('00') answer = represent(circuit, nqubits=2) assert Matrix([I / sqrt(2), I / sqrt(2), 0, 0]) == answer
def test_represent_zgate(): """Test the representation of the Z gate.""" circuit = ZGate(0) * Qubit('00') answer = represent(circuit, nqubits=2) assert Matrix([1, 0, 0, 0]) == answer
def test_sympy__physics__quantum__gate__ZGate(): from sympy.physics.quantum.gate import ZGate assert _test_args(ZGate(0))