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Fix for https://github.com/Qiskit/qiskit-aer/issues/2258 #2297

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Fix for https://github.com/Qiskit/qiskit-aer/issues/2258 #2297

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5a9f1e9
Fix for https://github.com/Qiskit/qiskit-aer/issues/2258
aromanro Jan 25, 2025
109f59e
Merge branch 'Qiskit:main' into main
aromanro Jan 26, 2025
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10 changes: 10 additions & 0 deletions releasenotes/notes/probability-with-stabilizer-simulator-3e5730cde71062f3.yaml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,10 @@
---
prelude: >
Fixed a crash that occurred when using the stabilizer simulator, but possibly
in other simulators as well.
issues:
- |
The crash was generated by having op.qubits empty when calling AerState::probability
Refer to
`#2258 <https://github.com/Qiskit/qiskit-aer/issues/2258>` for more
information. Also related `#2234 <https://github.com/Qiskit/qiskit-aer/issues/2234>`.
3 changes: 3 additions & 0 deletions src/controllers/state_controller.hpp
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Expand Up @@ -1381,6 +1381,9 @@ double AerState::probability(const uint_t outcome) {
op.int_params.push_back(outcome);
op.save_type = Operations::DataSubType::list;

for (uint_t i = 0; i < num_of_qubits_; ++i)
op.qubits.push_back(i);

last_result_ = ExperimentResult();
state_->apply_op(op, last_result_, rng_);

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