Skip to content

Instantly share code, notes, and snippets.

@timvisher

timvisher/gist:860251

Created March 8, 2011 13:14
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save timvisher/860251 to your computer and use it in GitHub Desktop.
Save timvisher/860251 to your computer and use it in GitHub Desktop.
Download ZIP
Problematic Square-Root Definition
Raw
gistfile1.clj
user=> (defn good-guess? [guess number]
(< (Math/abs (- (* guess guess) number)) 0.0001))
#'user/good-guess?
user=> (defn improve-guess [guess number]
(average guess (/ number guess)))
#'user/improve-guess
user=> (improve-guess 4 9)
25/8
user=> (good-guess? 25/8 9)
java.lang.IllegalArgumentException: No matching method found: abs (NO_SOURCE_FILE:0)
user=>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment