Merge pull request #421 from qiboteam/grover-changes

Small Grover change
qiboteam · May 25, 2021 · e43aa65 · e43aa65
2 parents d6e3933 + 588e25d
commit e43aa65
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diff --git a/src/qibo/models/grover.py b/src/qibo/models/grover.py
@@ -168,8 +168,8 @@ def iterative_grover(self, lamda_value=6/5):
                     return measured, total_iterations
             k = min(lamda * k, np.sqrt(self.sup_size))
             if total_iterations > (9/4) * np.sqrt(self.sup_size):
-                raise_error(TimeoutError, "Cancelling iterative method as too "
-                                          "many iterations have taken place.")
+                log.warning("Too many total iterations, output might not be solution.")
+                return measured, total_iterations
 
     def execute(self, nshots=100, freq=False, logs=False):
         """Execute Grover's algorithm.

diff --git a/src/qibo/tests/test_models_grover.py b/src/qibo/tests/test_models_grover.py
@@ -88,8 +88,7 @@ def check_false(result):
     with pytest.raises(ValueError):
         solution, iterations = grover()
     grover = Grover(oracle, superposition_qubits=5, check=check_false, iterative=True)
-    with pytest.raises(TimeoutError):
-        solution, iterations = grover()
+    solution, iterations = grover()
     grover = Grover(oracle, superposition_qubits=5, check=check, iterative=True)
     solution, iterations = grover(logs=True)
     assert solution == "11111"