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Groups > comp.lang.c > #148013

Re: Bart, a tcc "issue"

From "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com>
Newsgroups comp.lang.c
Subject Re: Bart, a tcc "issue"
Date 2019-11-14 16:51 -0800
Organization Aioe.org NNTP Server
Message-ID <qqksqr$udb$1@gioia.aioe.org> (permalink)
References <uRIwF.17878$kE3.891@fx36.iad> <bYoxF.132400$Ko9.64189@fx48.iad> <86k189ejbd.fsf@linuxsc.com> <qqbe35$lq0$1@gioia.aioe.org> <qqcavm$8or$1@dont-email.me>

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On 11/11/2019 10:57 AM, James Kuyper wrote:
> On 11/11/19 5:44 AM, Chris M. Thomasson wrote:
> ...
>> ... Heck, is rand() even
>> guaranteed to return RAND_MAX at all? ...
> As the standard itself notes in footnote 295:
> "There are no guarantees as to the quality of the random sequence
> produced and some implementations are known to produce sequences with
> distressingly non-random low-order bits. Applications with particular
> requirements should use a generator that is known to be sufficient for
> their needs."
> 
> Note, in particular, that an implementation of rand() which always
> returned 0 would satisfy all of the standard's applicable requirements.
> 
> As a practical matter, a uniform distribution over the range
> [0,RAND_MAX] is fairly trivial to arrange, and can reasonably be
> expected of any half-way serious implementation, even though the
> standard fails to make any such guarantee. But don't expect anything
> more than a uniform distribution.
> 

Nice. Fwiw, check this out:

https://youtu.be/7n8LNxGbZbs

This should be kept in an isolation booth and just spit out nibbles... ;^)

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Thread

Bart, a tcc "issue" DFS <nospam@dfs.com> - 2019-11-06 18:40 -0500
  Re: Bart, a tcc "issue" Bart <bc@freeuk.com> - 2019-11-07 00:03 +0000
    Re: Bart, a tcc "issue" Bart <bc@freeuk.com> - 2019-11-07 00:06 +0000
    Re: Bart, a tcc "issue" Bart <bc@freeuk.com> - 2019-11-07 01:44 +0000
  Re: Bart, a tcc "issue" James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-11-07 10:05 -0500
    Re: Bart, a tcc "issue" DFS <nospam@dfs.com> - 2019-11-07 13:22 -0500
    Re: Bart, a tcc "issue" DFS <nospam@dfs.com> - 2019-11-08 09:19 -0500
      Re: Bart, a tcc "issue" James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-11-08 11:03 -0500
  Re: Bart, a tcc "issue" Manfred <noname@add.invalid> - 2019-11-07 18:22 +0100
    Re: Bart, a tcc "issue" Manfred <noname@add.invalid> - 2019-11-07 18:30 +0100
  Re: Bart, a tcc "issue" Richard Damon <Richard@Damon-Family.org> - 2019-11-08 20:51 -0500
    Re: Bart, a tcc "issue" Tim Rentsch <tr.17687@z991.linuxsc.com> - 2019-11-08 20:59 -0800
      Re: Bart, a tcc "issue" Ben Bacarisse <ben.usenet@bsb.me.uk> - 2019-11-09 23:16 +0000
        Re: Bart, a tcc "issue" Richard Damon <Richard@Damon-Family.org> - 2019-11-09 20:27 -0500
          Re: Bart, a tcc "issue" Bart <bc@freeuk.com> - 2019-11-10 01:38 +0000
            Re: Bart, a tcc "issue" Richard Damon <Richard@Damon-Family.org> - 2019-11-09 20:59 -0500
              Re: Bart, a tcc "issue" Keith Thompson <kst-u@mib.org> - 2019-11-09 19:22 -0800
          Re: Bart, a tcc "issue" Ben Bacarisse <ben.usenet@bsb.me.uk> - 2019-11-10 03:04 +0000
            Re: Bart, a tcc "issue" Richard Damon <Richard@Damon-Family.org> - 2019-11-09 23:04 -0500
              Re: Bart, a tcc "issue" Ben Bacarisse <ben.usenet@bsb.me.uk> - 2019-11-10 13:15 +0000
        Re: Bart, a tcc "issue" Tim Rentsch <tr.17687@z991.linuxsc.com> - 2019-11-10 06:04 -0800
        Re: Bart, a tcc "issue" Tim Rentsch <tr.17687@z991.linuxsc.com> - 2019-11-10 07:49 -0800
          Re: Bart, a tcc "issue" Ben Bacarisse <ben.usenet@bsb.me.uk> - 2019-11-10 17:49 +0000
      Re: Bart, a tcc "issue" "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2019-11-11 02:44 -0800
        Re: Bart, a tcc "issue" James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-11-11 13:57 -0500
          Re: Bart, a tcc "issue" "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2019-11-14 16:51 -0800
        Re: Bart, a tcc "issue" Tim Rentsch <tr.17687@z991.linuxsc.com> - 2019-11-28 16:03 -0800

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