Raise exception if taping is on inside FormAssembler.assemble

firedrakeproject · Nov 17, 2022 · ad6d7c8 · ad6d7c8
1 parent 61cb5f2
commit ad6d7c8
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/firedrake/assemble.py b/firedrake/assemble.py
@@ -407,6 +407,12 @@ def assemble(self):
 
         :returns: The assembled object.
         """
+        if annotate_tape():
+            raise NotImplementedError(
+                "Taping with explicit FormAssembler objects is not supported yet. "
+                "Use assemble instead."
+            )
+
         if self._needs_zeroing:
             self._as_pyop2_type(self._tensor).zero()