RFR: 8285477: Add a PRECISION public static field to j.l.Float and j.l.Double [v3]

[Raffaello Giulietti]

> Add useful constants specified in IEEE 754.

Raffaello Giulietti has updated the pull request incrementally with one additional commit since the last revision:

  8285477: Add a PRECISION public static field to j.l.Float and j.l.Double

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/8362/files
  - new: https://git.openjdk.java.net/jdk/pull/8362/files/80a6fe2e..b4c1b61b

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=8362&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=8362&range=01-02

  Stats: 6 lines in 2 files changed: 0 ins; 0 del; 6 mod
  Patch: https://git.openjdk.java.net/jdk/pull/8362.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/8362/head:pull/8362

PR: https://git.openjdk.java.net/jdk/pull/8362