Re: [Axiom-developer] On [bug #4565] log10 in GCL returns a bad value for log10(1000): FIXED?

[David MENTRE]

Camm Maguire <address@hidden> writes:

> Our lisp spec expert tells me that routines returning floating point
> values like (log10...) are not required to return exact integers in
> cases like these.  
>
> What you want is something like this:
>
> (defun logi (x y &aux i r) 
>         (declare (longfloat x y r)) 
>         (declare (fixnum i)) 
>         (multiple-value-bind (i r) (round (log x y)) 
>                 i))

I've integrated your answer in the bug system.

Thank you for the report and explanation.

Yours,
d.
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