Random double

[bearophile]

qznc:

> I want to generate a random "double" value, excluding wierdos 
> like NaN and Infinity. However, std.random.uniform seems to be 
> useless.

Can you explain why you need uniform doubles in their whole 
range? I think I have never had to generate them so far. Maybe 
for a unittest?

Also note by their nature doubles are not equally spread across 
the line of Reals, so getting a truly uniform distribution is 
hard or impossible.

Bye,
bearophile