Re: [Scheme-reports] ballot question #229: EQV? and NaN
John Cowan 29 Sep 2011 20:28 UTC
John Cowan scripsit:
> > The fourth technical mistake came in the survey of current practice,
> > which says that Chez Scheme and Ikarus return #t but Larceny returns
> > #f. The ballot question isn't clear on the expression involved, but
> > all three of the systems I mentioned implement the R6RS semantics.
>
> I implemented the simplest possible test: I asked the REPLs for the
> values of (eqv? +nan.0 +nan.0) and (eqv? +nan.0 0.0).
But apparently I transcribed my results wrongly: all of Chez, Ikarus,
Larceny, Ypsilon, IronScheme, and Mosh return #t to the first test and
#f to the second.
--
They do not preach John Cowan
that their God will rouse them cowan@ccil.org
A little before the nuts work loose. http://www.ccil.org/~cowan
They do not teach
that His Pity allows them --Rudyard Kipling,
to drop their job when they damn-well choose. "The Sons of Martha"
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