fixing last field decay value in the case of zero time steps

flexcompute · Mar 28, 2022 · c5ecd91 · c5ecd91
1 parent 2074ed7
commit c5ecd91
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/tidy3d/components/data.py b/tidy3d/components/data.py
@@ -985,8 +985,10 @@ def final_decay_value(self) -> float:
         log_str = self.log
         lines = log_str.split("\n")
         decay_lines = [l for l in lines if "field decay" in l]
-        final_decay_line = decay_lines[-1]
-        final_decay = float(final_decay_line.split("field decay: ")[-1])
+        final_decay = 1.0
+        if len(decay_lines) > 0:
+            final_decay_line = decay_lines[-1]
+            final_decay = float(final_decay_line.split("field decay: ")[-1])
         return final_decay
 
     def __getitem__(self, monitor_name: str) -> Union[Tidy3dDataArray, xr.Dataset]: