Re: bignum branch

[Eli Zaretskii]

> From: Paul Eggert <address@hidden>
> Date: Fri, 3 Aug 2018 14:02:04 -0700
> Cc: Andy Moreton <address@hidden>, address@hidden
> 
> >     (> 0 0.0e+NaN) => nil
> >     (< 0 0.0e+NaN) => nil
> >     (min 0 0.0e+NaN) => 0.0e+NaN
> >     (min 0.0e+NaN 0) => 0.0e+NaN
> >     (max 0 0.0e+NaN) => 0.0e+NaN
> >     (max 0.0e+NaN 0) => 0.0e+NaN
> 
> NaNs never compare numerically equal to, less than, or greater than any
> other floating-point value, even other NaNs. This is part of the IEEE
> standard.

I find it easier to memorize the following rule: "Any comparison with
NaN yields FALSE."  YMMV.