RFR: 8355992: Add unsignedMultiplyExact and *powExact methods to Math and StrictMath [v3]

[Joe Darcy]

On Thu, 8 May 2025 15:13:19 GMT, Raffaello Giulietti <rgiulietti at openjdk.org> wrote:

>> Add `powExact()` and `unsignedPowExact()` methods that operate on integer values arguments.
>> Further, add `unsignedMultiplyExact` methods as well.
>
> Raffaello Giulietti has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Added tests.

Marked as reviewed by darcy (Reviewer).

-------------

PR Review: https://git.openjdk.org/jdk/pull/25003#pullrequestreview-2835276748