3 months of waiting...

[MoonlightSentinel]

On Saturday, 8 February 2020 at 17:21:04 UTC, Jonathan Marler 
wrote:
> for 32-bit floats it doesn't take too long to do an exhaustive 
> test (maybe 30 minutes or so).  I did this with my port of the 
> "ryu" float to string implementation 
> (https://github.com/dragon-lang/mar/blob/master/src/mar/ryu.d).
>  That being said, an exhaustive 64-bit test may not finish 
> until the inevitable heat death of the universe :)

Maybe some structured tests could help, e.g. by using libfuzzer 
to instrument the new and old code. It's obviously not be an 
exhaustive tests but could result in a better coverage than 
random sampling.