So why double to float conversion is implicit ?

[Fool]

On Tuesday, 24 October 2017 at 14:28:20 UTC, Basile B. wrote:
>     float f0 = cos(2 * PI /  1.123548789545545646452154L);
>     float f1 = cos(cast(float)(2 * PI / 
> 1.123548789545545646452154L));
>
> [...]
>
> but paradoxically the first is more accurate.

There is no paradox. That's comparing apples with oranges. No 
offense.

@all: It is sad to see how parts of the community are losing 
their distance to the project and even put a gloss on completely 
absurd design decisions.