From: Ramakrishnan Muthukrishnan <vu3rdd@gmail.com>
Date: Mon, 7 Jun 2010 12:08:11 +0000 (+0530)
Subject: added approx-equal function
X-Git-Url: https://git.rkrishnan.org/listings/COPYING.TGPPL.html?a=commitdiff_plain;h=94cf45cd947eaad3ac562c476f129224000ccf5e;p=sicp.git

added approx-equal function
---

diff --git a/src/sicp/utils.clj b/src/sicp/utils.clj
index f5c3e9c..258ac60 100644
--- a/src/sicp/utils.clj
+++ b/src/sicp/utils.clj
@@ -39,6 +39,9 @@
   (/ (reduce + coll)
      (float (count coll))))
 
+(defn approx-equal [x y]
+  (< (abs (- x y)) 0.00001))
+
 (defmacro microbench
   " Evaluates the expression n number of times, returning the average
     time spent in computation, removing highest and lowest values.