jiangjiangtian commented on PR #6707:
URL: 
https://github.com/apache/incubator-gluten/pull/6707#issuecomment-2285243441

   @rui-mo I found an issue, but I can't tell whether the issue is from round.
   ```
   SELECT round(3/32*CAST(5.92 AS DECIMAL(20,2)),2);
   ```
   gluten returns 0.56, but vanilla returns 0.55.
   The SQLs below have the same result between gluten and vanilla, which is 
0.5549999999999999 and 0.55:
   ```
   SELECT 3/32*CAST(5.92 AS DECIMAL(20,2));
   SELECT round(0.5549999999999999, 2);
   ```


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