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From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/43660] range of random-number generator seems wrong/confusing
Date: Mon, 09 Mar 2015 12:41:00 -0000	[thread overview]
Message-ID: <bug-43660-4-3DeIoCswJl@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-43660-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43660

--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Jonathan Wakely from comment #2)
> (In reply to comment #0)
> > [Note that the same issue exists with other ways of invoking using the
> > generator (e.g., a std::uniform_real_distribution<float> with bounds of
> > 0 and 1 will indeed return 1); but it's less clear its a bug in those
> > cases (although, for instance, boost's random implementation never
> > seems to return the upper bound).]
> 
> Again, referring to the latest draft:
> "A uniform_real_distribution random number distribution produces random
> numbers x, a <= x < b"
> 
> So that does appear to be a bug

PR 64351 deals with that case.


       reply	other threads:[~2015-03-09 12:41 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <bug-43660-4@http.gcc.gnu.org/bugzilla/>
2015-03-09 12:41 ` redi at gcc dot gnu.org [this message]
2010-04-06  1:56 [Bug libstdc++/43660] New: " debian-gcc at lists dot debian dot org
2010-04-06 10:38 ` [Bug libstdc++/43660] " redi at gcc dot gnu dot org
2010-04-06 10:41 ` redi at gcc dot gnu dot org
2010-04-06 10:54 ` redi at gcc dot gnu dot org
2010-04-06 11:00 ` paolo dot carlini at oracle dot com

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