RFR: 8367603: Optimize exact division in BigDecimal [v22]

[Raffaello Giulietti]

On Mon, 29 Sep 2025 16:12:20 GMT, fabioromano1 <duke at openjdk.org> wrote:

>> A formula to lower the overestimate for the precision of an exact quotient, without introducing too expensive operations of division on numerator and denominator.
>
> fabioromano1 has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Simplification
>  - Update DivideTests.java

Thanks @fabioromano1, nice improvement

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Marked as reviewed by rgiulietti (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/27271#pullrequestreview-3377314659