RFR: 8365832: Refactor FloatingDecimal

[Raffaello Giulietti]

On Sat, 14 Jun 2025 04:58:29 GMT, Shaojin Wen <swen at openjdk.org> wrote:

>>> @wenshao I'm working on a general overhaul of FloatingDecimal and related classes in some current and future PRs.
>>> 
>>> If you could restrict your changes to just DigitList, that would be less interference with my work.
>> 
>> @rgiulietti  Sorry, I was traveling last week and I just saw your comment now. This is a draft pull request, you can move on with your plans and ignore it.
>
>> @wenshao Curiously, there are now some people (you, @j3graham and myself) which are working on FloatingDecimal and related classes.
> 
> In PR #23310, @j3graham 's comment on January 25 mentioned FloatingDecimal, so I paid attention to this class

@wenshao While I didn't check all the details, I think these changes look OK.

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PR Comment: https://git.openjdk.org/jdk/pull/23311#issuecomment-3200026842