fix

qiboteam · Jun 12, 2024 · 4453295 · 4453295
1 parent b2a50d8
commit 4453295
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/src/qibo/quantum_info/utils.py b/src/qibo/quantum_info/utils.py
@@ -105,11 +105,15 @@ def hamming_distance(
     bitstring_1 = "0" * (nbits - len(bitstring_1)) + bitstring_1
     bitstring_2 = "0" * (nbits - len(bitstring_2)) + bitstring_2
 
-    difference = np.abs(
-        np.array(list(bitstring_1), dtype=int) - np.array(list(bitstring_2), dtype=int)
+    difference = np.array(list(bitstring_1), dtype=int) - np.array(
+        list(bitstring_2), dtype=int
     )
+    print(difference, difference.dtype)
+    difference = np.abs(difference)
+    difference = difference.astype(str)
+    difference = "".join(difference)
 
-    return hamming_weight(f"{difference:{nbits}b}", return_indexes=return_indexes)
+    return hamming_weight(difference, return_indexes=return_indexes)
 
 
 def hadamard_transform(array, implementation: str = "fast", backend=None):