Fix stopping condition thresholds

.github/CHANGELOG.md

@@ -40,6 +40,9 @@
 
 ### Bug fixes
 
+* Ensure the stopping condition decompositions are respected for larger templated QFT and Grover operators.
+  [(#609)](https://github.com/PennyLaneAI/pennylane-lightning/pull/609)
+
 * Move concurrency group specifications from reusable Docker build workflow to the root workflows.
   [(#604)](https://github.com/PennyLaneAI/pennylane-lightning/pull/604)
 

pennylane_lightning/core/_version.py

@@ -16,4 +16,4 @@
    Version number (major.minor.patch[-label])
 """
 
-__version__ = "0.35.0-dev11"
+__version__ = "0.35.0-dev12"

pennylane_lightning/core/lightning_base.py

@@ -93,10 +93,10 @@ def stopping_condition(self):
         and observable) and returns ``True`` if supported by the device."""
 
         def accepts_obj(obj):
-            if obj.name == "QFT" and len(obj.wires) < 10:
-                return True
-            if obj.name == "GroverOperator" and len(obj.wires) < 13:
-                return True
+            if obj.name == "QFT":
+                return len(obj.wires) < 10
+            if obj.name == "GroverOperator":
+                return len(obj.wires) < 13
             return (not isinstance(obj, qml.tape.QuantumTape)) and getattr(
                 self, "supports_operation", lambda name: False
             )(obj.name)