Benson Muite created ARROW-14731:
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Summary: [C++][Compute] Conversion to unsigned types can be
problematic for negative numbers
Key: ARROW-14731
URL: https://issues.apache.org/jira/browse/ARROW-14731
Project: Apache Arrow
Issue Type: Bug
Components: C++
Reporter: Benson Muite
Assignee: Benson Muite
On line 248 of
https://github.com/apache/arrow/blob/master/cpp/src/arrow/compute/kernels/scalar_arithmetic.cc
int16 type is converted to uint32 type because overflows are better handled in
uint32 than in int32 This will be problematic if some of the numbers are
negative. It may be better to use th default int32 and explicitly check for
overflows if needed.
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