compiler: Strengthen AbstractSubDimension.init

devitocodes · Jul 17, 2024 · a35c7db · a35c7db
1 parent e34ecde
commit a35c7db
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/devito/types/dimension.py b/devito/types/dimension.py
@@ -828,8 +828,13 @@ def __init_finalize__(self, name, parent, thickness, functions=None,
             elif all(isinstance(i, tuple) and len(i) == 2 for i in thickness):
                 (ltkn, _), (rtkn, _) = thickness
 
-            left = parent.symbolic_min + ltkn
-            right = parent.symbolic_max - rtkn
+            try:
+                left = parent.symbolic_min + ltkn
+                right = parent.symbolic_max - rtkn
+            except TypeError:
+                # May end up here after a reconstruction
+                left = sympy.S.NegativeInfinity
+                right = sympy.S.Infinity
         else:
             raise ValueError("MultiSubDimension expects a tuple of thicknesses")