Source code for mimiqcircuits.operations.gates.standard.id
#
# Copyright © 2022-2024 University of Strasbourg. All Rights Reserved.
# Copyright © 2032-2024 QPerfect. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import mimiqcircuits as mc
from mimiqcircuits.matrices import umatrixpi
[docs]
class GateID(mc.Gate):
r"""Single qubit Identity gate.
**Matrix representation:**
.. math::
\operatorname{ID} = \begin{pmatrix}
1 & 0 \\
0 & 1
\end{pmatrix}
Examples:
>>> from mimiqcircuits import *
>>> GateID()
ID
>>> GateID().matrix()
[1.0, 0]
[0, 1.0]
<BLANKLINE>
>>> c = Circuit().push(GateID(), 0)
>>> c
1-qubit circuit with 1 instructions:
└── ID @ q[0]
<BLANKLINE>
>>> GateID().power(2), GateID().inverse()
(ID, ID)
>>> GateID().decompose()
1-qubit circuit with 1 instructions:
└── U(0, 0, 0, 0.0) @ q[0]
<BLANKLINE>
"""
_name = "ID"
_num_qubits = 1
_qregsizes = [1]
[docs]
def inverse(self):
return self
def _power(self, n):
return self
[docs]
def isidentity(self):
return True
def _matrix(self):
return umatrixpi(0, 0, 0)
def _decompose(self, circ, qubits, bits, zvars):
q = qubits[0]
circ.push(mc.GateU(0, 0, 0), q)
return circ