On Wed, 22 Feb 2023 15:23:13 GMT, Raffaello Giulietti <rgiulie...@openjdk.org> wrote:
> The `default` method `nextDouble(double origin, double bound)` in > `java.util.random.RandomGenerator` aims at generating a uniformly and > spatially equidistributed random `double` in the left-closed and right-open > range [`origin`, `bound`). It does so by applying the affine transform > `origin + (bound - origin) * r` to a uniformly and spatially equidistributed > random `double` `r` in the range [0, 1). > > Since floating-point arithmetic suffers from small but noticeable rounding > errors, this ends up slightly deforming the distribution of `r` when applying > the affine transform. This pull request has now been integrated. Changeset: 14cf0356 Author: Raffaello Giulietti <rgiulie...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/14cf035681460e8c93d6afcaaf20aa61c8a6e3a8 Stats: 521 lines in 2 files changed: 519 ins; 1 del; 1 mod 8302987: Add uniform and spatially equidistributed bounded double streams to RandomGenerator Reviewed-by: darcy ------------- PR: https://git.openjdk.org/jdk/pull/12719
