> It must be unspecified in R7RS because R7RS
> does not require that implementations distinguish
> between 0.0 and -0.0, nor that they provide +inf.0
> or -inf.0.

The R7RS could specify that the result of (eqv? 0.0 -0.0) is the same as the result of (eqv? (/ 1.0 0.0) (/ 1.0 -0.0)) provided that this expression does not provoke an error and is #t if it does provoke an error.

Regards,

Alan

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