[lworld+fp16] RFR: 8339473: Add support for FP16 isFinite, isInfinite and isNaN [v3]

[Joe Darcy]

On Fri, 20 Sep 2024 09:03:05 GMT, Bhavana Kilambi <bkilambi at openjdk.org> wrote:

>> src/java.base/share/classes/java/lang/Float16.java line 446:
>> 
>>> 444:      * @see Double#isNaN(double)
>>> 445:      */
>>> 446:     public static boolean isNaN(Float16 f16) {
>> 
>> With changing the implementation if isNaN, isFinite, etc. to bit-based, the regression tests should be updated to cover more cases. In particular, different NaN bit patterns should be tested.
>
> Hi @jddarcy , thank you for the review. I will add more input patterns to be tested.

Thanks for the update; looks fine.

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PR Review Comment: https://git.openjdk.org/valhalla/pull/1239#discussion_r1772141156