RFR: JDK-8316708: Augment WorstCaseTests with more cases [v8]

[Raffaello Giulietti]

On Wed, 28 Feb 2024 06:08:18 GMT, Joe Darcy <darcy at openjdk.org> wrote:

>> A new paper
>> 
>>  "Accuracy of Mathematical Functions in Single, Double, Double Extended, and Quadruple Precision"
>> by Brian Gladman, Vincenzo Innocente and Paul Zimmermann
>> https://members.loria.fr/PZimmermann/papers/accuracy.pdf
>> 
>> details the inputs with generate the worst-case observed errors in different math library implementations. The FDLIBM-related worst cases should be added to the test suite.
>
> Joe Darcy has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Respond to review feedback, adjust worst-case bounds.

Tests.java L:111 should read

     * @param d floating-point number whose exponent is to be extracted

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PR Comment: https://git.openjdk.org/jdk/pull/15879#issuecomment-1973309784