NaNs Just Don't Get No Respect

[Walter Bright]

Our discussion on this in the last few days inspired me to write a blog post 
about it:

http://www.reddit.com/r/programming/comments/yehz4/nans_just_dont_get_no_respect/
http://www.drdobbs.com/cpp/nans-just-dont-get-no-respect/240005723