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Re: [Scheme-reports] multiple NaN values
Per Bothner scripsit:
> IEEE 754 specifies multiple NaN values. Scheme generally does
> not care if there is a single value (bit pattern) for NaN,
> or if there are multiple values: If there are multiple NaN
> values, or just one, they are all equivalent in terms of Scheme
> If there are multiple NaN values, they are all =.
This is not the case: NaN is not = to any number, not even NaN.
> However, the eqv? function is permitted (but not required)
> to return #f when given two different NaN values.
This is the subject of http://trac.sacrideo.us/wg/ticket/229 , which
will be part of the upcoming fifth ballot.
I suggest you solicit aid of my followers John Cowan
or learn the difficult art of mud-breathing. cowan@x
--Great-Souled Sam http://www.ccil.org/~cowan
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