[Bug] Function round calculation error

[Level1Accelerator]

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• I had searched in the issues and found no similar issues.

Version

doris-1.2.7 avx2
doris-1.2.8 avx2

What's Wrong?

sql:
select round(33.385,2)

result:
33.38

What You Expected?

sql:
select round(33.385,2)

result:
33.39

i hope you can fix this bug in doris 1.2.9 version.because we have no plans to upgrade to version 2.0 in the short term and there have been significant changes in version 2.0.

How to Reproduce?

No response

Anything Else?

No response

Are you willing to submit PR?

• Yes I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct