"Marco Maggi" <[EMAIL PROTECTED]> writes:
> Ciao,
>
> I have two predicate functions that act upon a vector
> or matrix: the hit predicate produces a single #t/#f
> result while the map predicate produces a vector or rank
> 2 array of #t/#f values.
>
> Using generic functions I can write functions with
> math operators that act upon common numbers or vector and
> matrices without visible difference.
>
> Example: I have two predicates HIT-NAN? and MAP-NAN?
> which one it is better to call NAN?
I'm afraid I don't understand. Perhaps you could write the down for
the two possibilities that you have in mind.
> By the way: the NUMBER? predicate is supposed to return
> #t for proper number SMOBs or for any object that can
> be used as argument of math operators?
No, number? is supposed to return #t only for Guile's built-in numeric
types.
Regards,
Neil
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