On Sat, 15 Oct 2016 20:57:04 +0000 (UTC), Bruno P. Kinoshita wrote:
Definitely interested in helping and learning more about random
Are there any specific tasks that others can jump in and help with?
In the yet-to-be-named "Commons <random utilities>" component,
everything is up for grabs, from extracting the relevant bits
from "Math" and "Lang", to proposing an all-encompassing
framework (if people think they can achieve it...).
The scope is open-ended (or should be defined if there is a
willingness to impose some limit).
Once the new component has been set up,
For this, we should start with settling on a name, so that INFRA
can create a repository with that name.
* Random Utilities
* Random Utils
* Random Tools
I'd be happy in trying to work
on code related to LANG-1196 and LANG-1254.
From: Gilles <gil...@harfang.homelinux.org>
Sent: Sunday, 16 October 2016 5:08 AM
Subject: [ALL] Get things moving with "random utilities" (Was: [lang]
Shuffling arrays (was: [RNG] Scope of "Commons RNG"))
On Fri, 7 Oct 2016 16:00:05 +0100, sebb wrote:
But overall it would be much better to put all this in a new
and deprecate all of CL's "Random"-parameterized methods.
It was noted (not only by me) that CL grew too big (and out of its
scope). "RandomUtils" is relatively small (in Lang 3.4): now is a
opportunity to deprecate these few methods and those intended for
and redirect users to a dedicated component.
Within the context of a forthcoming release of "Commons RNG" and
identified shortcomings of the random-related utilities implemented
in "Commons Lang", e.g.:
I'm proposing to ask INFRA to create a new git repository, to become
the "Commons" home of random utilities, i.e. anything that _uses_ an
"external" source of randomness (as opposed to _implementations_
of (P)RNG algorithms, which is the scope of "Commons RNG").
Examples of utilities:
* non-uniform deviates (to be extracted from "Commons Math")
* extended tools, such as "numbers within a range" (to be
extracted from "Commons Lang") and "quasi-random" generators
(to be extracted from "Commons Math"),
* string utilities (to be extracted from "Commons Math" and
* shuffling of primitive arrays and "List<T>" (to be extracted
from "Commons Math"),
* bridges between alternative APIs:
- UniformRandomProvider from "Commons RNG" (to be extracted
from "Commons Math")
- other Java libraries
* wrappers around "external" sources of randomness, e.g. system
devices (UNIX) and native libraries, and interface extensions
needed to support them (streams, IO handling, etc.).
Given the variety of the above (non-exhaustive) list, it is
foreseen that the component will be "multi-modules" in order
to let users depend only on what they need for their use-case.
[For example, an engineering application could need non-uniform
deviates (e.g. Gaussian-distributed sequences), but should not
be required to depend on the (orthogonal) development of string
generators or cryptographic features.]
 Help is most welcome to set this up.
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