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help / color / mirror / Atom feedFrom: Tom Lane <[email protected]>
To: Carl Sopchak <[email protected]>
Cc: [email protected]
Subject: Re: What seed does random() use if setseed() is not called first?
Date: Sat, 23 Jul 2022 17:47:19 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
Carl Sopchak <[email protected]> writes:
> <p>There is one point about the documentation for random() and
> setseed() that is missing. What is used to seed random() if
> setseed() isn't called first? I assume it's something like
> /dev/random or /dev/urandom, but that's just a guess. Can someone
> please enlighten me?</p>
We don't document this because it's platform- and version-dependent,
but yeah, generally /dev/urandom or local equivalent.
regards, tom lane
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