Re: [Chicken-users] EQV? and NaN

[Alan Post]

On Mon, Jul 11, 2011 at 11:04:09PM +0200, Felix wrote:
> From: John Cowan <address@hidden>
> Subject: Re: [Chicken-users] EQV? and NaN
> Date: Mon, 11 Jul 2011 16:58:09 -0400
> 
> > Felix scripsit:
> > 
> >> "(eqv? +nan +nan)" being #t would mean violation of R5RS.
> > 
> > Technically, yes.  But R5RS didn't anticipate the strange behavior of
> > NaN.  Furthermore, the discrepancy doesn't seem to bother the developers
> > and users of Gauche, Gambit, Bigloo, Kawa, Scheme48, Chibi, or STklos,
> > all of which are R5RS systems.
> 
> Just for the record, and to spare you the typing: I generally don't care
> what all of those systems do. The only authorities that I find acceptable
> are R5RS, common sense, performance and convenience.
> 

It seems that R5RS is violating common sense, and not intentionally so,
as John tried to articulate in his message.

-Alan
-- 
.i ma'a lo bradi ku penmi gi'e du