From: Luis Parravicini <lparravi@...>
Date: 2007-03-31T23:43:58+09:00
Subject: Re: NaN return

On 3/31/07, Josselin <josselin@wanadoo.fr> wrote:
> something like..
> cd = proposal.distance_to(current_city) != NaN ?
> proposal.distance_to(current_city) : 0.0

  Float has a 'nan?' method
(http://www.ruby-doc.org/core/classes/Float.html#M000244).