[Haskell-cafe] What's NaN?

[Lennart Augustsson]

Try reading http://www.physics.ohio-state.edu/~dws/grouplinks/floating_point_math.pdf

On Wed, May 28, 2008 at 8:04 AM, PR Stanley <prstanley at ntlworld.com> wrote:
> Hello
> Why does sqrt (-16) return NaN? What is NaN?
> Thanks
> Paul
>
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