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From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/22200] numeric_limits<signed>::is_modulo is inconsistent with gcc
Date: Fri, 19 Feb 2010 10:22:00 -0000 [thread overview]
Message-ID: <20100219102207.19274.qmail@sourceware.org> (raw)
In-Reply-To: <bug-22200-2544@http.gcc.gnu.org/bugzilla/>
------- Comment #25 from rguenth at gcc dot gnu dot org 2010-02-19 10:22 -------
(In reply to comment #24)
> Richard, can you comment on this issue? Do you think it's currently correct to
> have numeric_limits<>:is_modulo == true for all our signed integral types? We
> are not making any progress on this issue :(
Well, it's certainly not 100% correct to claim signed ints have modulo
semantics.
I don't know if it is helpful to say numeric_limits<>:is_modulo == false to
our users.
It would probably be useful to add a preprocessor macro when -fwrapv is
in effect.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22200
next prev parent reply other threads:[~2010-02-19 10:22 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-22200-2544@http.gcc.gnu.org/bugzilla/>
2010-02-18 22:03 ` paolo dot carlini at oracle dot com
2010-02-19 10:22 ` rguenth at gcc dot gnu dot org [this message]
2010-02-19 10:30 ` paolo dot carlini at oracle dot com
2010-02-19 11:13 ` joseph at codesourcery dot com
2010-02-19 11:19 ` paolo dot carlini at oracle dot com
2010-02-19 11:26 ` paolo dot carlini at oracle dot com
2010-02-21 7:53 ` veksler at il dot ibm dot com
2010-02-21 9:51 ` paolo dot carlini at oracle dot com
2010-02-21 12:44 ` veksler at il dot ibm dot com
2010-02-21 12:54 ` paolo dot carlini at oracle dot com
2010-02-21 13:04 ` rguenth at gcc dot gnu dot org
2010-02-21 13:33 ` veksler at il dot ibm dot com
2010-02-21 13:37 ` rguenther at suse dot de
2010-02-21 18:04 ` gdr at integrable-solutions dot net
2010-02-21 18:20 ` veksler at il dot ibm dot com
2010-02-21 18:50 ` gdr at integrable-solutions dot net
[not found] <bug-22200-4@http.gcc.gnu.org/bugzilla/>
2012-02-29 12:41 ` marc.glisse at normalesup dot org
2012-02-29 13:41 ` gdr at gcc dot gnu.org
2012-04-29 9:26 ` paolo at gcc dot gnu.org
2012-05-05 1:13 ` glisse at gcc dot gnu.org
2023-06-01 9:37 ` redi at gcc dot gnu.org
2024-02-07 10:09 ` redi at gcc dot gnu.org
2024-02-07 11:46 ` pinskia at gcc dot gnu.org
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