On Dec 11, 2022, at 9:59 PM, pd-list-request@lists.iem.at wrote:Message: 2
Date: Sun, 11 Dec 2022 16:55:40 +0100
From: Thomas Mayer <thomas@residuum.org>
To: pd-list@lists.iem.at
Subject: [PD] [random] and seed value
Message-ID: <478be1b4-8f1c-ee0f-d11c-889b51371243@residuum.org>
Content-Type: text/plain; charset=UTF-8; format=flowed
Hello,
currently [random] uses a fixed value for initialisation. This leads to
the same sequence of values all the time.
https://github.com/pure-data/pure-data/blob/c0cd34924a50bdd1cc37dfb6b01f9be02ad8a78b/src/x_misc.c#L55
My guess is, that most users probably expect at least different seed
values every time.
Maybe the help file should explicitely state the behaviour or a
different way for deriving the initial seed should be used, e.g. taking
the local time. Or a better PRNG could be used as well.
If we take the solution to initialize [random] with a different seed
each time, an explanation on how to revert to the old behaviour of a
seed value of 1489853723 should be mentioned in the help.
I could tackle that, but would like a discussion about that before coding.
Thanks,
Thomas
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