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Re: tr1::unordered_set<double> bizarre rounding behavior (x86)
- From: Michael Veksler <VEKSLER at il dot ibm dot com>
- To: Paolo Carlini <pcarlini at suse dot de>
- Cc: gcc at gcc dot gnu dot org, Paolo Carlini <pcarlini at suse dot de>
- Date: Wed, 6 Jul 2005 00:12:13 +0300
- Subject: Re: tr1::unordered_set<double> bizarre rounding behavior (x86)
Paolo Carlini <pcarlini@suse.de> wrote on 05/07/2005 23:48:03:
> Paolo Carlini wrote:
>
> >Michael Veksler wrote:
> >
> >>There is one more thing to consider: the ABI.
> >>By changing the code in the header file will break the ABI
> >>of tr1::unordered_set. Code compiled with older gcc and
> >>newer and fixed-gcc will not interoperate.
> >>
> It occurs to me that by "ABI" you mean interoperability between
> different object modules, what I call sometimes "ABI" in the wide sense.
Exactly, yes this is what I meant.
> Something much more difficult to obtain, which is not related to the
> linked *.so. Anyway, we don't guarantee anything for tr1, as per the
> release notes.
You are right. Too bad, but very much understandable for a TR.
I hope that it will be stabilized in time for c++-0x.
Michael