RFR: 8370628: Rename BigInteger::nthRoot to rootn, and similarly for nthRootAndRemainder

[Joe Darcy]

On Fri, 24 Oct 2025 17:45:28 GMT, Raffaello Giulietti <rgiulietti at openjdk.org> wrote:

> The reason for this last minute renaming is to more closely adhere to the IEEE 754 nomenclature, even in the BigInteger class (and in the internal MutableBigInteger).

Marked as reviewed by darcy (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/27980#pullrequestreview-3378351569