RFR: JDK-8316708: Augment WorstCaseTests with more cases [v4]

[Joe Darcy]

> 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 five additional commits since the last revision:

 - Fix missing minus sign.
 - Checkpoint.
 - Checkpoint StrictMath test for trig, inverse trig, and hyperbolic trig fingerprint values.
 - Add cos test cases.
 - Add sin and asin cases.

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/15879/files
  - new: https://git.openjdk.org/jdk/pull/15879/files/c0e9cefe..ee28a7f9

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=15879&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15879&range=02-03

  Stats: 150 lines in 6 files changed: 129 ins; 0 del; 21 mod
  Patch: https://git.openjdk.org/jdk/pull/15879.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15879/head:pull/15879

PR: https://git.openjdk.org/jdk/pull/15879