Small optimization and improved readability

ITensor · May 14, 2024 · 0a96fd3 · 0a96fd3
1 parent 003475a
commit 0a96fd3
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/src/caches/beliefpropagationcache.jl b/src/caches/beliefpropagationcache.jl
@@ -19,9 +19,9 @@ default_message_norm(m::ITensor) = norm(m)
 function default_message_update(contract_list::Vector{ITensor}; kwargs...)
   sequence = optimal_contraction_sequence(contract_list)
   updated_messages = contract(contract_list; sequence, kwargs...)
-  n = norm(updated_messages)
-  if !iszero(n)
-    updated_messages /= norm(updated_messages)
+  message_norm = norm(updated_messages)
+  if !iszero(message_norm)
+    updated_messages /= message_norm
   end
   return ITensor[updated_messages]
 end