speed up bit iterator calculation

AKSW · Oct 13, 2021 · 99f78d2 · 99f78d2
1 parent 41efb50
commit 99f78d2
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/owlapy/util.py b/owlapy/util.py
@@ -422,9 +422,9 @@ def iter_bits(v: int) -> Iterable[int]:
         numbers with only one bit set
     """
     while v:
-        b = v & (~v + 1)
+        b = 1 << v.bit_length() - 1
         yield b
-        v ^= b
+        v -= b
 
 
 def iter_count(i: Iterable) -> int: