[metapost] Long numerical tokens with new number systems

[Akira Kakuto]

> Doesn't this behaviour seem to be a bit inconsistent?

I find

@ Precision check is TODO
@d too_precise(a) 0

in mpmathbinary.w, while

@d too_precise(a) (a == (DEC_Inexact+DEC_Rounded))

in mpmathdecimal.w.

Luigi?

-- 
Best regards,
Akira KAKUTO