def __init__(self, utry_target, gate_list):
"""
CircuitTensor Constructor
Args:
utry_target (np.ndarray): Unitary target matrix
gate_list (list[Gate]): The circuit's gate list.
"""
if not utils.is_unitary(utry_target):
raise TypeError("Specified target matrix is not unitary.")
if not isinstance(gate_list, list):
raise TypeError("Gate list is not a list.")
if not all([isinstance(gate, Gate) for gate in gate_list]):
raise TypeError("Gate list contains non-gate objects.")
self.utry_target = utry_target
self.num_qubits = utils.get_num_qubits(self.utry_target)
if not all([
utils.is_valid_location(gate.location, self.num_qubits)
for gate in gate_list
]):
raise ValueError("Gate location mismatch with circuit tensor.")
self.gate_list = gate_list
self.reinitialize()
def __init__ ( self, theta, location, fixed = False, check_params = True ):
"""
Gate Constructor
Args:
theta (float): The gate's angle of rotation.
location (tuple[int]): The qubits this gate is applied to.
fixed (bool): True if the gate's unitary operation is immutable.
check_params (bool): True implies parameters are checked for
correctness.
"""
if check_params:
if not isinstance( theta, float ):
raise TypeError( "Invalid theta angle, not a float." )
if not isinstance( location, tuple ):
raise TypeError( "Specified location is not valid." )
if not utils.is_valid_location( location ):
raise TypeError( "Specified location is not valid." )
if len( location ) != 2:
raise TypeError( "Specified location is not valid." )
if not isinstance( fixed, bool ):
raise TypeError( "Invalid fixed parameter." )
self.theta = theta
self.location = location
self.gate_size = len( self.location )
self.fixed = fixed
def __init__(self, utry, location, fixed=False, check_params=True):
"""
Gate Constructor
Args:
utry (np.ndarray): The gate's unitary operation.
location (tuple[int]): Set of qubits this gate is applied to.
fixed (bool): True if the gate's unitary operation is immutable.
check_params (bool): True implies parameters are checked for
correctness.
"""
if check_params:
if not utils.is_unitary(utry):
raise TypeError("Specified matrix is not unitary.")
if not utils.is_valid_location(location):
raise TypeError("Specified location is not valid.")
if len(location) != utils.get_num_qubits(utry):
raise ValueError("Location size does not match unitary.")
if not isinstance(fixed, bool):
raise TypeError("Invalid fixed parameter.")
self.utry = utry
self.location = location
self.gate_size = len(location)
self.fixed = fixed
def test_is_valid_location_invalid1(self):
self.assertFalse(is_valid_location("a"))
self.assertFalse(is_valid_location(0))
self.assertFalse(is_valid_location("a", 256))
self.assertFalse(is_valid_location(0, 256))
def test_is_valid_location_valid(self):
self.assertTrue(is_valid_location((0, 1, 2)))
self.assertTrue(is_valid_location((0, 1, 2), 3))
self.assertTrue(is_valid_location((0, 1, 2, 17)))
self.assertTrue(is_valid_location((0, 1, 2, 17), 18))
def test_is_valid_location_empty(self):
self.assertTrue(is_valid_location(tuple()))
self.assertTrue(is_valid_location(tuple(), 0))
self.assertTrue(is_valid_location(tuple(), 3))
def test_is_valid_location_invalid5(self):
self.assertFalse(is_valid_location((0, 2, 1)))
def test_is_valid_location_invalid4(self):
self.assertFalse(is_valid_location((0, 1, 2), 1))
self.assertFalse(is_valid_location((0, 1, 2), 0))
def test_is_valid_location_invalid3(self):
self.assertFalse(is_valid_location((0, 0)))
self.assertFalse(is_valid_location((0, 0), 256))
def test_is_valid_location_invalid2(self):
self.assertFalse(is_valid_location((0, "a", 2)))
self.assertFalse(is_valid_location((0, "a", 2), 256))