| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com> |
| Cc: | Paul Ramsey <pramsey(at)cleverelephant(dot)ca>, Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>, Michael Paquier <michael(at)paquier(dot)xyz>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: [PATCH] random_normal function |
| Date: | 2023-01-09 15:26:23 |
| Message-ID: | 4093782.1673277983@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com> writes:
> So IMO all pseudorandom functions should share the same PRNG state and
> seed-setting functions. That would mean they should all be in the same
> (new) C file, so that the PRNG state can be kept private to that file.
I agree with this in principle, but I feel no need to actually reshuffle
the code before we accept a proposal for such a function that wouldn't
logically belong in float.c.
> I think it would also make sense to add a new "Random Functions"
> section to the docs, and move the descriptions of random(),
> random_normal() and setseed() there.
Likewise, this'll just add confusion in the short run. A <sect1>
with only three functions in it is going to look mighty odd.
regards, tom lane
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