Related: https://github.com/pure-data/pure-data/issues/1717 <https://github.com/pure-data/pure-data/issues/1717>
> On Dec 11, 2022, at 9:59 PM, pd-list-requ...@lists.iem.at wrote: > > Message: 2 > Date: Sun, 11 Dec 2022 16:55:40 +0100 > From: Thomas Mayer <tho...@residuum.org <mailto:tho...@residuum.org>> > To: pd-list@lists.iem.at <mailto:pd-list@lists.iem.at> > Subject: [PD] [random] and seed value > Message-ID: <478be1b4-8f1c-ee0f-d11c-889b51371...@residuum.org > <mailto:478be1b4-8f1c-ee0f-d11c-889b51371...@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 > > <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 > -- -------- Dan Wilcox @danomatika <http://twitter.com/danomatika> danomatika.com <http://danomatika.com/> robotcowboy.com <http://robotcowboy.com/>
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