Promotion rules ... why no float?

[R via Digitalmars-d]

On Tuesday, 6 September 2016 at 15:00:48 UTC, Sai wrote:
> Thanks for the replies.
>
> I tend to use a lot of float math (robotics and automation) so 
> I almost always want float output in case of division. And once 
> in a while I bump into this issue.
>
> I am wondering what are the best ways to work around it.
>
>     float c = a / b;     // a and b could be integers.
>
> Some solutions:
>
>     float c = cast!float(a) / b;
>     float c = 1f * a / b;
>
>
> Any less verbose ways to do it?
>
> Another solution I am thinking is to write a user defined 
> integer type with an overloaded division to return a float 
> instead and use it everywhere in place of integers. I am 
> curious how this will work out.

http://code.dlang.org/packages/fixed ?