Fix (Pauli) identity

unitaryfund · May 22, 2024 · 4cb0c17 · 4cb0c17
1 parent 0227fa0
commit 4cb0c17
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/pennylane_qrack/qrack_device.cpp b/pennylane_qrack/qrack_device.cpp
@@ -506,7 +506,7 @@ struct QrackDevice final : public Catalyst::Runtime::QuantumDevice {
     auto Observable(ObsId id, const std::vector<std::complex<double>> &matrix,
                     const std::vector<QubitIdType> &wires) -> ObsIdType override
     {
-        Qrack::Pauli basis;
+        Qrack::Pauli basis = Qrack::PauliI;
         switch (id) {
             case ObsId::PauliX:
                 basis = Qrack::PauliX;
@@ -517,6 +517,8 @@ struct QrackDevice final : public Catalyst::Runtime::QuantumDevice {
             case ObsId::PauliZ:
                 basis = Qrack::PauliZ;
                 break;
+            default:
+                break;
         }
         obs_cache.push_back(QrackObservable({ basis }, { wires[0U] }));