Does this give you the results you are looking for?
(doall
(for [i (range 1 1000)
:let [val (Math/sqrt i)
diff (Math/abs (- (Math/pow val 2) (* val val)))]
:when (> diff 1.1755025E-38)]
(println (format "Different for %d (%e)" i diff))))
[email protected] writes:
> In common lisp I had the following code:
> (let (
> (difference)
> (i)
> (val)
> )
> (loop for i from 1 to 10000000 do
> (setq val (sqrt i))
> (setq difference (abs (- (expt val 2) (* val val))))
> (unless (< difference 1.1755025E-38)
> (print (format nil "Different for ~D (~F)." i difference))
> )))
>
> Clojure works a little bit different. Until now I have the following with
> comes near the above:
> (for [i (range 1 1000)]
> (do
> (def ^:dynamic val (Math/sqrt i))
> (def ^:dynamic difference (Math/abs (- (Math/pow val 2) (* val
> val))))
> (when (> difference 1.1755025E-38)
> (println (format "Different for %d (%e)" i difference))
> )))
>
> But beside that this defines the two variables val and difference, it also
> generates a lot of nil values.
>
> What would be a better way to do this in Clojure?
>
>
> --
> Cecil Westerhof
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