[Bug libstdc++/26020] std::advance() isn't stable for floating point numbers

[pcarlini at suse dot de]

------- Comment #9 from pcarlini at suse dot de  2006-01-30 01:09 -------
(In reply to comment #7)
> reading the standard specification let me under the impression that
> Distance is supposed to "related" to difference_type.  For example
> the distance between the p before and after calling distance(p, n) is
> supposed to be n.  So I would suggest conversion to the
> difference_type of the iterator as a momentary resolution.

Excellent idea.

> I'm not sure the resolution would introduce an ABI breakage, so I
> would say let's do both; but I'm open to other alternatives.

Agreed, let's implement your suggestion and send a note to the reflector (and
Martin, already working on the Size issue). Thanks!


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26020