Jonathan Leffler wrote:
>Or, what happens if there are 10 digits after the decimal point.

That's what the substr() is for.

>Yeah, mostly academic, except I'm working towards a time type (not for 
>Perl per se) that extends down to picoseconds (and up to 10^12 years, 

At least 105 bits, then.  TAI64 covers nearly 10^12 years, of course,
and the extension TAI64NA goes down to attoseconds in a 128-bit format.
What's the concept behind your type?

Personally I like to use bignum rational arithmetic, for unlimited
resolution.  Performance is atrocious with the Perl bignum libraries,


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