Location of popFront
Andrei Alexandrescu
SeeWebsiteForEmail at erdani.org
Mon May 25 06:56:14 PDT 2009
Lionello Lunesu wrote:
> Andrei,
>
> I noticed in random.d, uniform template, that popFront is called in
> different locations for integral compared to floating point types: for
> integral types you .front first and .popFront afterwards, but for
> floating point types you start with .popFront and then check .front.
>
> This has a peculiar effect: for example, if you do uniform(0.0,100.0)
> followed by uniform(0,100) there's a big chance that the integral part
> of the first random number is equal to the second random number.
>
> import std.stdio, std.random;
> void main()
> {
> writeln(uniform(0.0,100.0));
> writeln(uniform(0,100));
> }
>
> I don't think this warrants a bug report, but I do think the location of
> .popFront should be standardized, either before or after any .front.
>
> Just sayin'.
>
> L.
Definitely warrants a bug report. I'm busy today but I might find time
for it tomorrow.
Andrei
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