git: openjdk/jdk: 8284493: Improve computeNextExponential tail performance and accuracy

[Joe Darcy]

Changeset: f975be44
Author:    Chris Hennick <4961925+Pr0methean at users.noreply.github.com>
Committer: Joe Darcy <darcy at openjdk.org>
Date:      2023-07-17 19:19:13 +0000
URL:       https://git.openjdk.org/jdk/commit/f975be44a86879e1079a0066203b49d59b7a1167

8284493: Improve computeNextExponential tail performance and accuracy

Reviewed-by: darcy

! src/java.base/share/classes/jdk/internal/util/random/RandomSupport.java
+ test/micro/org/openjdk/bench/java/util/random/RandomGeneratorExponentialGaussian.java
= test/micro/org/openjdk/bench/java/util/random/RandomGeneratorNext.java
= test/micro/org/openjdk/bench/java/util/random/RandomNext.java