RFR: 8077587: BigInteger Roots [v78]

[fabioromano1]

On Wed, 3 Sep 2025 09:24:28 GMT, Raffaello Giulietti <rgiulietti at openjdk.org> wrote:

>> fabioromano1 has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Revision changes
>
> src/java.base/share/classes/java/math/MutableBigInteger.java line 2060:
> 
>> 2058:                  * Instead of shifting the approximate root into the original range right now,
>> 2059:                  * we only duplicate its bit length and then refine it with Newton's recurrence,
>> 2060:                  * using a congruent shifted radicand, in order to avoid computing and
> 
> Maybe clarify what "congruent" means here

The way the radicand is determined is specified in the same comment below.

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PR Review Comment: https://git.openjdk.org/jdk/pull/24898#discussion_r2318418244