Re: KISS 64-bit pseudo-random number generator

On Mon, 9 Sep 2024 6:55:49 +0000, Lars Brinkhoff wrote:
[..]

I would like to recommend Marsaglia's newer and better xorshift family
of PRNGs, and preferably the further development by Sebastiano Vigna
called xoroshiro.  The output (with suitable parameters) is very good*,
yet the implementation is very simple.
>
*But not cryptography grade.

Being "cryptography grade" is the point when you want to introduce
something new for a PRNG :--) Anyway, what does that disclaimer actually
mean? The simplest NCG-PRNG has only 3 or 4 standard words in it.
FORTH> locate RANDOM
File: d:\dfwforth/include/miscutil.frt
 1317:
 1320>> : RANDOM        seed  $107465 *  $234567 +  ( -- u )
 1321:                  9 ROL DUP TO seed ;
-marcel