Re: [Scheme-reports] multiple NaN values Per Bothner (20 Feb 2012 19:11 UTC)
Re: [Scheme-reports] multiple NaN values John Cowan (20 Feb 2012 19:25 UTC)

Re: [Scheme-reports] multiple NaN values John Cowan 20 Feb 2012 19:22 UTC

Per Bothner scripsit:

> In Kawa nan and nan2 have the *same* bit-pattern (at least when run
> under JDK 1.7.0
> on Fedora).  Thus as you'd expect eqv? returns #t.  I assume this would
> apply that
> all/most Java-based Schemes, at least, so your experiment is meaningless.

Ouch, so it is.  Well, this is an area in which there are no guarantees
anyway.  This makes me more inclined to the R6RS (open-ended) semantics.

--
John Cowan                                cowan@ccil.org
I amar prestar aen, han mathon ne nen,    http://www.ccil.org/~cowan
han mathon ne chae, a han noston ne 'wilith.  --Galadriel, LOTR:FOTR

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