Fix loose-bit handling in QPY #8928
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A typo in clbit-reconstruction was generating the incorrect number of loose clbits in circuits that contained registers and loose bits, and had more qubits than clbits. A bug elsewhere in the code caused circuits with _no_ registers to be deserialised as containing registers, since the `QuantumCircuit(int, int)` constructor actually does produce two registers (slightly surprisingly, perhaps).
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mtreinish
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Oct 17, 2022
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A typo in clbit-reconstruction was generating the incorrect number of loose clbits in circuits that contained registers and loose bits, and had more qubits than clbits. A bug elsewhere in the code caused circuits with _no_ registers to be deserialised as containing registers, since the `QuantumCircuit(int, int)` constructor actually does produce two registers (slightly surprisingly, perhaps). (cherry picked from commit c34e0b9)
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A typo in clbit-reconstruction was generating the incorrect number of loose clbits in circuits that contained registers and loose bits, and had more qubits than clbits. A bug elsewhere in the code caused circuits with _no_ registers to be deserialised as containing registers, since the `QuantumCircuit(int, int)` constructor actually does produce two registers (slightly surprisingly, perhaps). (cherry picked from commit c34e0b9) Co-authored-by: Jake Lishman <[email protected]>
ajavadia
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Oct 18, 2022
A typo in clbit-reconstruction was generating the incorrect number of loose clbits in circuits that contained registers and loose bits, and had more qubits than clbits. A bug elsewhere in the code caused circuits with _no_ registers to be deserialised as containing registers, since the `QuantumCircuit(int, int)` constructor actually does produce two registers (slightly surprisingly, perhaps).
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Summary
A typo in clbit-reconstruction was generating the incorrect number of loose clbits in circuits that contained registers and loose bits, and had more qubits than clbits. A bug elsewhere in the code caused circuits with no registers to be deserialised as containing registers, since the
QuantumCircuit(int, int)constructor actually does produce two registers (slightly surprisingly, perhaps).Details and comments