RFR: 8077587: BigInteger Roots [v83]

[Raffaello Giulietti]

On Mon, 8 Sep 2025 15:45:07 GMT, fabioromano1 <duke at openjdk.org> wrote:

>> This PR implements nth root computation for BigIntegers using Newton method.
>
> fabioromano1 has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Removed MBI.valueOf(double)

Thanks for your efforts.
Now looking forward to `BigDecimal.nthRoot()` ;-)

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Marked as reviewed by rgiulietti (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/24898#pullrequestreview-3197143179