Capitalize pauli

Author: ghanem-nv

torchquantum/plugin/cuquantum/cutn/backend.py

@@ -52,7 +52,7 @@ def _create_expectation_module(
         self, circuit: ParameterizedQuantumCircuit, pauli_ops: Union[List[str], Dict[str, float]]
     ) -> nn.Module:
         if self._allow_multiple_states:
-            # In order to utilize caching feature of the network states, we need to create a seperate network state for each pauli operator.
+            # In order to utilize caching feature of the network states, we need to create a seperate network state for each Pauli operator.
             # Otherwise, the network state cache will be overwritten when pauli_op changes.
             states = [
                 ParameterizedNetworkState.from_parameterized_circuit(circuit, self._config)

torchquantum/plugin/cuquantum/cutn/expectation.py

@@ -13,7 +13,7 @@ class CuTNExpectationFD(nn.Module):
     def __init__(self, states, pauli_ops, circuit_params, delta):
         super().__init__()
         if len(states) != len(pauli_ops):
-            raise ValueError(f"Expected as many states as pauli operators, got {len(states)} and {len(pauli_ops)}")
+            raise ValueError(f"Expected as many states as Pauli operators, got {len(states)} and {len(pauli_ops)}")
         if len(states) == 0:
             raise ValueError(f"Expected at least one state")
 

torchquantum/plugin/cuquantum/expectation.py

@@ -21,7 +21,7 @@ class QuantumExpectation(nn.Module):
         circuit: The quantum circuit that prepares the state.
         backend: The quantum backend to use for computation.
         pauli_ops: List of Pauli operators to compute expectations for. Each Pauli operator can be either:
-            - A single Pauli string specifying the pauli operator for each qubit ("I", "X", "Y", or "Z").
+            - A single Pauli string specifying the Pauli operator for each qubit ("I", "X", "Y", or "Z").
             - A linear combination of Pauli strings specified as a dictionary mapping each single Pauli string to
               its corresponding coefficient.
     """