[minor] comment on measureall

mit-han-lab · Mar 18, 2023 · ec3a16a · ec3a16a
1 parent dfc4514
commit ec3a16a
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/torchquantum/measurement.py b/torchquantum/measurement.py
@@ -108,6 +108,8 @@ def expval(
 
 
 class MeasureAll(tq.QuantumModule):
+    """Obtain the expectation value of all the qubits.
+    """
     def __init__(self, obs, v_c_reg_mapping=None):
         super().__init__()
         self.obs = obs