RFR: 8375285: Port fdlibm asinh to Java [v8]

[Anton Artemov]

On Tue, 10 Feb 2026 02:03:29 GMT, Joe Darcy <darcy at openjdk.org> wrote:

>> @jddarcy What is the purpose of such methods that do not seem to be invoked?
>
>> @jddarcy What is the purpose of such methods that do not seem to be invoked?
> 
> I'm a bit confused; they do look to be used in that test file; e.g.
> 
> https://github.com/openjdk/jdk/blame/f9ded7f88cce75151cec32d1ef1f9662ea10431a/test/jdk/java/lang/Math/HyperbolicTests.java#L251
> 
> `            failures += testSinhCaseWithUlpDiff(testCase[0],`

@jddarcy The concern is methods testing with tolerance, e.g. `testSinhCaseWithTolerance`. That one is never used. Same for `testCoshCaseWithTolerance`, `testTanhCaseWithTolerance`. If they are to be removed, I suggest to make is in a separate cleanup PR.

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PR Review Comment: https://git.openjdk.org/jdk/pull/29273#discussion_r2786675697