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Remove deprecated IntegerComparator.num_ancilla_qubits #11306

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merged 2 commits into from
Nov 23, 2023
Merged

Remove deprecated IntegerComparator.num_ancilla_qubits #11306

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34f7690
remove deprecated IntegerComparator.num_ancilla_qubits
1ucian0 Nov 23, 2023
f963388
reno
1ucian0 Nov 23, 2023
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11 changes: 0 additions & 11 deletions qiskit/circuit/library/arithmetic/integer_comparator.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,6 @@
"""Integer Comparator."""

from __future__ import annotations
import warnings
import numpy as np

from qiskit.circuit import QuantumCircuit, QuantumRegister, AncillaRegister
Expand Down Expand Up @@ -100,16 +99,6 @@ def geq(self, geq: bool) -> None:
self._invalidate()
self._geq = geq

@property
def num_ancilla_qubits(self):
"""Deprecated. Use num_ancillas instead."""
warnings.warn(
"The IntegerComparator.num_ancilla_qubits property is deprecated "
"as of 0.16.0. It will be removed no earlier than 3 months after the release "
"date. You should use the num_ancillas property instead."
)
return self.num_ancillas

@property
def num_state_qubits(self) -> int:
"""The number of qubits encoding the state for the comparison.
Expand Down
6 changes: 6 additions & 0 deletions releasenotes/notes/5079_IntegerComparator_num_ancilla_qubits-bd1cff3366c345ae.yaml
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@@ -0,0 +1,6 @@
---
upgrade:
- |
The property ``IntegerComparator.num_ancilla_qubits`` is removed, which was
deprecated in Qiskit 0.23 (released on Oct 2020). Its functionality is fully covered
by :attr:`.IntegerComparator.num_ancilla`.