Detecting inadvertent use of integer division
Leandro Lucarella
llucax at gmail.com
Tue Dec 15 15:47:19 PST 2009
bearophile, el 15 de diciembre a las 16:14 me escribiste:
> Don:
>
> > Bob Jones:
> > > double y = a / double(b);
>
> > OK, I misunderstood you. You're completely right. At least my proposal
> > won't let them slip through silently. I don't think we can do anything
> > else without silently breaking C compatibility.
>
> A silly idea that may keep C compatibility and avoid that cast: instead of an integer division operator it can be added a operator that always performs a floating point division, as:
> int a = 5, b = 7;
> double y = a \\ b;
> (I don't like that much, Pascal is better here).
What about ./ for floating point division? Maybe it introduces some kind
of ambiguity with 1./2, but fortunately the result should be the same if
that means 1. / 2 or 1 ./ 2: 0.5 =)
--
Leandro Lucarella (AKA luca) http://llucax.com.ar/
----------------------------------------------------------------------
GPG Key: 5F5A8D05 (F8CD F9A7 BF00 5431 4145 104C 949E BFB6 5F5A 8D05)
----------------------------------------------------------------------
He andáu muchos caminos, muchos caminos he andáu, Chile tiene el buen
vino y Suecia, el bacalao. Esta'o Unido tiene el hot do', Cuba tiene el
mojito, Guatemala, el cornalito y Brasil la feishoada.
More information about the Digitalmars-d
mailing list