On So, 23 Jan 2011, ZyX wrote:
> by Christian Brabandt:
>
> > Something like this:
> > if (a>0 && b>0 && a+b < 0)
> > return -1
> > endif
> There are lots of cases when this does not work, for example:
> :echo +(printf('%u', -1)/2)
> 2147483647
> :echo 2147483647*2147483647
> 1
>
> Maybe it is better to use python? It can do long arithmetics and thus one is
> able to reliably check whether calculations have exceeded the limit.
Yeah, but wouldn't you also have to take care of overflowing in Python
as well? If you have the possibility, 64bit version might help. But that
is no real solution.
regards,
Christian
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