Perlin noise benchmark speed

[bearophile via Digitalmars-d]

Mattcoder:

> Beside the error above, which for now I'm using:
>
> immutable float x0f = cast(int)x; //x.floor;
> immutable float y0f = cast(int)y; //y.floor;
>
> Just to compile,

If you remove the calls to floor, you are avoiding the main 
problem to fix.

Bye,
bearohile