def rz(self, q0, phase=cfg.DEF_PHASE):
"""
operate RZ gate (rotation around Z-axis).
Parameters
----------
q0 : int
qubit id.
phase : float
rotation angle (unit of angle is PI radian).
Returns
-------
self : instance of QState
"""
qstate_operate_qgate(self, kind=cfg.ROTATION_Z, phase=phase, qid=[q0])
return self
def t_dg(self, q0):
"""
operate T dagger gate (hermitian conjugate of T gate).
Parameters
----------
q0 : int
qubit id.
Returns
-------
self : instance of QState
"""
qstate_operate_qgate(self,
kind=cfg.PHASE_SHIFT_T_,
phase=cfg.DEF_PHASE,
qid=[q0])
return self
def h(self, q0):
"""
operate H gate (hadamard gate).
Parameters
----------
q0 : int
qubit id.
Returns
-------
self : instance of QState
"""
qstate_operate_qgate(self,
kind=cfg.HADAMARD,
phase=cfg.DEF_PHASE,
qid=[q0])
return self
def t(self, q0):
"""
operate T gate.
Parameters
----------
q0 : int
qubit id.
Returns
-------
self : instance of QState
"""
qstate_operate_qgate(self,
kind=cfg.PHASE_SHIFT_T,
phase=cfg.DEF_PHASE,
qid=[q0])
return self
def xr(self, q0):
"""
operate root X gate.
Parameters
----------
q0 : int
qubit id.
Returns
-------
self : instance of QState
"""
qstate_operate_qgate(self,
kind=cfg.ROOT_PAULI_X,
phase=cfg.DEF_PHASE,
qid=[q0])
return self
def xr_dg(self, q0):
"""
operate root X dagger gate
(hermmitian conjugate of root X gate).
Parameters
----------
q0 : int
qubit id.
Returns
-------
self : instance of QState
"""
qstate_operate_qgate(self,
kind=cfg.ROOT_PAULI_X_,
phase=cfg.DEF_PHASE,
qid=[q0])
return self
def cp(self, q0, q1, phase=cfg.DEF_PHASE):
"""
operate CP gate (controlled P gate).
Parameters
----------
q0 : int
qubit id (control qubit).
q1 : int
qubit id (target qubit).
Returns
-------
self : instance of QState
"""
qstate_operate_qgate(self,
kind=cfg.CONTROLLED_P,
phase=phase,
qid=[q0, q1])
return self
def sw(self, q0, q1):
"""
swap gate
Parameters
----------
q0 : int
qubit id
q1 : int
qubit id
Returns
-------
self : instance of QState
"""
qstate_operate_qgate(self,
kind=cfg.SWAP_QUBITS,
phase=cfg.DEF_PHASE,
qid=[q0, q1])
return self
def ct_dg(self, q0, q1):
"""
operate CT dagger gate (controlled T dagger gate).
Parameters
----------
q0 : int
qubit id (control qubit).
q1 : int
qubit id (target qubit).
Returns
-------
self : instance of QState
"""
qstate_operate_qgate(self,
kind=cfg.CONTROLLED_T_,
phase=cfg.DEF_PHASE,
qid=[q0, q1])
return self
def cx(self, q0, q1):
"""
operate CX gate (controlled X gate, controlled NOT gate, CNOT gate).
Parameters
----------
q0 : int
qubit id (control qubit).
q1 : int
qubit id (target qubit).
Returns
-------
self : instance of QState
"""
qstate_operate_qgate(self,
kind=cfg.CONTROLLED_X,
phase=cfg.DEF_PHASE,
qid=[q0, q1])
return self
def rzz(self, q0, q1, phase=cfg.DEF_PHASE):
"""
operate Rxx gate.
Parameters
----------
q0 : int
qubit id (control qubit).
q1 : int
qubit id (target qubit).
phase : float
rotation angle (unit of angle is PI radian).
Returns
-------
self : instance of QState
"""
qstate_operate_qgate(self,
kind=cfg.ROTATION_ZZ,
phase=phase,
qid=[q0, q1])
return self
def crz(self, q0, q1, phase=cfg.DEF_PHASE):
"""
operate CRZ gate (controlled RZ gate).
Parameters
----------
q0 : int
qubit id (control qubit).
q1 : int
qubit id (target qubit).
phase : float
rotation angle (unit of angle is PI radian).
Returns
-------
self : instance of QState
"""
qstate_operate_qgate(self,
kind=cfg.CONTROLLED_RZ,
phase=phase,
qid=[q0, q1])
return self
def p(self, q0, phase=cfg.DEF_PHASE):
"""
operate P gate (phase shift gate).
Parameters
----------
q0 : int
qubit id.
phase : float
rotation angle (unit of angle is PI radian).
Returns
-------
self : instance of QState
Notes
-----
matrix expression is following...
| 1.0 0.0 |
| 0.0 exp(i*phase*PI) |
"""
qstate_operate_qgate(self, kind=cfg.PHASE_SHIFT, phase=phase, qid=[q0])
return self
