RFR: 8077587: BigInteger Roots [v15]

[fabioromano1]

On Wed, 14 May 2025 18:48:50 GMT, Raffaello Giulietti <rgiulietti at openjdk.org> wrote:

>> fabioromano1 has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Revert "Use type long for bitLength instead of int"
>>   
>>   This reverts commit c8e1b8159206d9fb5532df7ccdf98abcab888f2c.
>
> The [Rampdown Phase One](https://openjdk.org/projects/jdk/25/) for JDK 25 is about 3 weeks from now.
> 
> I think it's a bit too late for API additions to be approved in due time. And even if we could rush this work for 25, it makes little sense to have this in 25 and the future one in 26. IMO, they should be released together. So this and the followup PR for `BigDecimal` will probably be integrated only in 26.
> 
> In other words, take your time ;-)

@rgiulietti Regarding the tests for _n_-th root, the tests for `sqrt()` and `pow()` could be extended in order to test also `nthRoot()`.

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PR Comment: https://git.openjdk.org/jdk/pull/24898#issuecomment-2888313569