Re: [Scheme-reports] ballot question #229: EQV? and NaN

[John Cowan <cowan@x>]

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@x
    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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