Archives for September 2012

A note on fractions

I ran across a blog post called Why 0.1 Does Not Exist In Floating-Point. The author uses long division in binary to demonstrate his point. This is understandable, given that the host blog is called Exploring Binary, but there is a an easier way to determine whether the fraction p/q has a terminating floating point […]

Equational Reasoning

Alan Dipert tweeted an interesting puzzle: pop quiz: solve http://www.4clojure.com/problem/107 point-free. answer must be a function value! #clojure The 4clojure version of the problem is simple enough, but the added requirement of a point-free solution makes Alan’s version of the problem harder. And harder to resist. So I took a shot at it. My plan […]