What features of D you would not miss?

[Nicholas Wilson]

On Sunday, 18 September 2022 at 23:18:06 UTC, Timon Gehr wrote:
> For my project the problem was specifically precision. I needed 
> each pixel to have different coordinates even on really high 
> zoom levels into the fractal. One nice thing about 
> double-double was that if I centered the image directly on a 
> number that is representable as a double, the maximum possible 
> zoom level was increased massively. :)

Right and that is well beyond the capability of x86-fp80, which 
was my original point.
I think it makes sense to support real for PPC DoubleDouble, or 
IEEE quad. I don't think it does for x86-fp80.