RFR: 8343819: Link Float.NaN and Double.NaN to equivalence discussion in Double

[Joe Darcy]

On Fri, 8 Nov 2024 10:10:28 GMT, Eirik Bjørsnøs <eirbjo at openjdk.org> wrote:

> Please review this doc-only enhancement which links the word _equivalent_ in `Float.NaN` and `Double.NaN` constant field descriptions to the floating-point equivalence discussion in `Double`.  
> 
>> It is equivalent to the value returned by{@code Float.intBitsToFloat(0x7fc00000)}.
> 
> For readers not well-versed in floating point, it may not be immediatly clear what _equivalent to_ means here.
> 
> The smallest improvement I could think of is to simply make the word `equivalent` a plain link to the floating-point equivalence discussion in the class description of `java.lang.Double`.
> 
> Verification: This is a doc-only change. I ran `make docs` and verified that the links resolve.

Looks fine; thanks.

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Marked as reviewed by darcy (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/21972#pullrequestreview-2425021526