Real implicitly converts to float?

[Guillaume Piolat via Digitalmars-d-learn]

On Wednesday, 22 June 2016 at 05:04:42 UTC, Tofu Ninja wrote:
> Is this intended behavior? I can't seem to find it documented 
> anywhere, I would think the loss in precision would atleast be 
> a warning.
>
> real x = 10;
> float y = x; // No error or warning
>
> real to double and double to float also work.

Intended behaviour (in TDPL and all), and same behaviour than C.
I'm not sure of the reason.