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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