RFR: JDK-8289551: Conversions between bit representations of half precision values and floats [v4]

[Joe Darcy]

On Mon, 18 Jul 2022 20:30:21 GMT, Joe Darcy <darcy at openjdk.org> wrote:

>> Initial implementation.
>
> Joe Darcy has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add NaN test.

I added NaN round-trip tests is a separate file since the properties being testing are not required by the specification, unlike the properties  explored in the other tests. If the NaN tests need special handling on certain platforms/configurations, that can be don't without complicating the tests of most of the functionality.

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PR: https://git.openjdk.org/jdk/pull/9422