Source code for mimiqcircuits.operations.measurereset

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import mimiqcircuits as mc
from mimiqcircuits.operations.operation import Operation
from mimiqcircuits.operations.measure import AbstractMeasurement


[docs] class MeasureReset(AbstractMeasurement): """MeasureReset operation. This operation measures a qubit q, stores the value in a classical bit c, then applies a X operation to the qubit if the measured value is 1, effectively resetting the qubit to the :math:`\\ket{0}` state. Examples: >>> from mimiqcircuits import * >>> c = Circuit() >>> c.push(MeasureReset(), 1, 0) 2-qubit circuit with 1 instructions: └── MR @ q[1], c[0] <BLANKLINE> >>> c.decompose() 2-qubit circuit with 2 instructions: ├── M @ q[1], c[0] └── IF (c==1) X @ q[1], c[0] <BLANKLINE> """ _name = "MR" _num_bits = 1 _num_qubits = 1 _num_cregs = 1 _qregsizes = [1] _cregsizes = [1] _num_zvars = 0
[docs] def inverse(self): raise TypeError("MeasureReset is not inversible")
[docs] def power(self, p): raise TypeError("MeasureReset^p is not defined.")
[docs] def control(self, num_qubits): raise TypeError("Controlled MeasureReset is not defined.")
[docs] def iswrapper(self): return False
def _decompose(self, circ, qubits, bits, zvars): circ.push(mc.Measure(), qubits, bits) circ.push(mc.IfStatement(mc.GateX(), bitstring=mc.BitString("1")), qubits, bits) return circ
[docs] def get_operation(self): return self
def __str__(self): return f"{self._name}"
[docs] class MeasureResetX(AbstractMeasurement): """MeasureResetX operation. The MeasureResetX operation first applies a Hadamard gate (H) to the qubit, performs a measurement and reset operation similar to the MeasureReset operation, and then applies another Hadamard gate. This sequence effectively measures the qubit in the X-basis and resets it to the :math:`|+>` state. See Also: :class:`MeasureReset`: The standard measurement and reset operation in the Z-basis. :class:`MeasureResetY`: Similar operation that measures and resets the qubit in the Y-basis. Examples: >>> from mimiqcircuits import * >>> c = Circuit() >>> c.push(MeasureResetX(), 1, 0) 2-qubit circuit with 1 instructions: └── MRX @ q[1], c[0] <BLANKLINE> >>> c.decompose() 2-qubit circuit with 3 instructions: ├── H @ q[1] ├── MR @ q[1], c[0] └── H @ q[1] <BLANKLINE> """ _name = "MRX" _num_bits = 1 _num_qubits = 1 _num_cregs = 1 _qregsizes = [1] _cregsizes = [1] _num_zvars = 0
[docs] def inverse(self): raise TypeError("MeasureResetX is not inversible")
[docs] def power(self, p): raise TypeError("MeasureResetX^p is not defined.")
[docs] def control(self, num_qubits): raise TypeError("Controlled MeasureResetX is not defined.")
[docs] def iswrapper(self): return False
def _decompose(self, circ, qubits, bits, zvars): q = qubits[0] c = bits[0] circ.push(mc.GateH(), q) circ.push(MeasureReset(), q, c) circ.push(mc.GateH(), q) return circ
[docs] def get_operation(self): return self
def __str__(self): return f"{self._name}"
[docs] class MeasureResetY(AbstractMeasurement): """MeasureResetY operation. The MeasureResetY operation applies (HYZ) gate to the qubit, performs a MeasureReset operation, and then applies another HYZ gate. This sequence effectively measures the qubit in the Y-basis. See Also: :class:`MeasureReset`: The standard measurement and reset operation in the Z-basis. :class:`MeasureResetX`: Similar operation that measures and resets the qubit in the X-basis. Examples: >>> from mimiqcircuits import * >>> c = Circuit() >>> c.push(MeasureResetY(), 1, 0) 2-qubit circuit with 1 instructions: └── MRY @ q[1], c[0] <BLANKLINE> >>> c.decompose() 2-qubit circuit with 3 instructions: ├── HYZ @ q[1] ├── MR @ q[1], c[0] └── HYZ @ q[1] <BLANKLINE> """ _name = "MRY" _num_bits = 1 _num_qubits = 1 _num_cregs = 1 _qregsizes = [1] _cregsizes = [1] _num_zvars = 0
[docs] def inverse(self): raise TypeError("MeasureResetY is not inversible")
[docs] def power(self, p): raise TypeError("MeasureResetY^p is not defined.")
[docs] def control(self, num_qubits): raise TypeError("Controlled MeasureResetY is not defined.")
[docs] def iswrapper(self): return False
def _decompose(self, circ, qubits, bits, zvars): q = qubits[0] c = bits[0] circ.push(mc.GateHYZ(), q) circ.push(MeasureReset(), q, c) circ.push(mc.GateHYZ(), q) return circ
[docs] def get_operation(self): return self
def __str__(self): return f"{self._name}"
[docs] class MeasureResetZ(AbstractMeasurement): r"""This class acting as an alias for :class:`MeasureReset`. """ def __new__(self): return MeasureReset()
# export operations __all__ = ["MeasureReset", "MeasureResetX", "MeasureResetY", "MeasureResetZ"]