Renat Valiullin created ARROW-16223: ---------------------------------------
Summary: BasicDecimal128::ReduceScaleBy with rounding works incorrectly Key: ARROW-16223 URL: https://issues.apache.org/jira/browse/ARROW-16223 Project: Apache Arrow Issue Type: Bug Components: C++ Reporter: Renat Valiullin BasicDecimal128 one(5); // 0.5 one.ReduceScaleBy(1, true); // expected 1, but result is -1 BasicDecimal128 BasicDecimal128::ReduceScaleBy(int32_t reduce_by, bool round) const { ... if (result > 0) { // <<< should be >= result += 1; } else { result -= 1; } -- This message was sent by Atlassian Jira (v8.20.1#820001)