RFR: 8077587: BigInteger Roots [v82]

[Raffaello Giulietti]

On Mon, 8 Sep 2025 14:34:06 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:
> 
>   Revision changes

If you need this method for the `BigDecimal.nthRoot()` work, then add it in that PR.
But for this PR I suggest removing it.

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PR Comment: https://git.openjdk.org/jdk/pull/24898#issuecomment-3266878578