> I was referring to the output of the function, once the float number is > converted to string.
still, the sign is useful to have in output (but ok to have option to omit it
for 0)
> very remote case, not sure if it's really necessary...
if this impacts performance, it's not worth it, but it may be possible to have
near-0 impact via:
...
if decimalSep.len == 1: specialCase for char
Run
