Re: [Haskell-cafe] Mystery of an Eq instance

On Tue, Sep 24, 2013 at 5:39 PM, Sven Panne wrote:

2013/9/22 Mike Meyer :

...

On Sat, Sep 21, 2013 at 5:28 PM, Bardur Arantsson wrote: Trying to make something whose name is "Not A Number" act like a number sounds broken from the start.

The point here is that IEEE floats are actually more something like a "Maybe Float", with various "Nothing"s, i.e. the infinities and NaNs, which all propagate in a well-defined way.

So, `Either IeeeFault Float`? ;)