[VL] Results are mismatch with Vanilla Spark when round(avg(cast(col as double)), 4) in release-1.1

[kecookier]

Backend

VL (Velox)

Bug description

The following example can reproduce this issue.

select round(avg(cast(col as double)), 4) as topic_2 from VALUES (0.188), (0.194),  (0.194), (0.194), (0.194), (0.194), (0.194), (0.194) AS tab(col);

Gluten result: 0.1933
Vainlla Spark result: 0.1932

Spark version

None

Spark configurations

No response

System information

No response

Relevant logs

No response