bug fix

Author: Rohan Jain

pandas/core/arrays/arrow/array.py

@@ -136,7 +136,10 @@ def floordiv_compat(
  # which always inferred as int64, to prevent overflow
  # in case of large uint64 values.
  pc.and_(
- pc.less(divided, pa.scalar(0, type=divided.type)), has_remainder
+ pc.less(
+ pc.bit_wise_xor(left, right), pa.scalar(0, type=divided.type)
+ ),
+ has_remainder,
  ),
  # GH 55561: floordiv should round towards negative infinity.
  # pv.divide for integral types rounds towards 0.

pandas/tests/extension/test_arrow.py

@@ -3253,6 +3253,14 @@ def test_arrow_floordiv_large_integral_result():
  tm.assert_series_equal(result, a)
 
 
+def test_arrow_floordiv_larger_divisor():
+ # GH 56676
+ a = pd.Series([-23], dtype="int64[pyarrow]")
+ result = a // 24
+ expected = pd.Series([-1], dtype="int64[pyarrow]")
+ tm.assert_series_equal(result, expected)
+
+
 def test_arrow_floordiv_no_overflow():
  # GH 56676
  a = pd.Series([9223372036854775808], dtype="uint64[pyarrow]")