From: Joel VanderWerf Date: 2003-03-22T04:37:40+09:00 Subject: Re: Newbie question: 9/5=1 ? Paul Brannan wrote: > On Fri, Mar 21, 2003 at 04:05:42AM +0900, Joel VanderWerf wrote: > >>Thomas Jollans wrote: >> >>>while learning ruby i wanted to program a simple fahrenheit to celsius >>>converter. for that i need 9/5 to be 1,8 (and not 1). how do i do that >>>in ruby? >> >>irb(main):001:0> require 'mathn' >>true >>irb(main):002:0> 1/2 >>1/2 > > > What happens if you do this from an extension? Will it change the > behavior of other extensions without their knowledge? Is that a good > idea? I guess extension writers should not rely on 1/2 == 0 .