Detecting inadvertent use of integer division

KennyTM~ kennytm at gmail.com
Tue Dec 15 14:00:29 PST 2009


On Dec 16, 09 05:14, bearophile wrote:
> 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).
>
> Bye,
> bearophile

Just introduce real fdiv(real, real)  (or /fdiv/) if this is the 
solution. Works right now without changing the language.



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