Phobos colour module?

[Daniel Murphy via Digitalmars-d]

"H. S. Teoh via Digitalmars-d"  wrote in message 
news:mailman.4232.1420610973.9932.digitalmars-d at puremagic.com...

> Ahhh now I remember what the problem was... there is no 80-bit integer
> type, so using union painting is the only way to work with reals in
> CTFE.

I would rather we added intrinsics instead of using non-portable 
unions/casts.