Re: (gcd -2) -> -2

[Neil Jerram]

2008/8/12 Bill Schottstaedt <address@hidden>:
> gcd is supposed to ignore factors of -1.

According to?  (I'm not suggesting that you're wrong.  I'd just like
you to be precise about your references.)

> "<" is restricted to reals -- a complex arg should be an error.

Again, is that specified?

Mathematically, I can't help wondering about Lim(x + iy) as y -> 0.
Or, in Scheme terms, about inexact numbers.  Does inexactness in
Scheme pertain only to the real dimension?

(Sorry that my knowledge of how these matters are specified is so poor!)

    Neil