Wow! What a quick fix.
Personally, I do not quite like the name `frandom`, for following reasons:
1. I really appreciate the naming conversion in Logtalk code that abbreviations are used very sparsely, so I think `fast_random` is better, although not quite good (see below).
2. `frandom` may be confused with a Linux module which has the same name.
3. "fast" is a bit vague, my first impression is that it uses a faster algorithm, and even tried to run `diff` between those two files to find the differences.
I can not thought out better names, maybe we can name "single random generator" as `random`, and "multiple random generators" as some thing else, but that will break compatibility.