Re: Can we use +nan.0?

[Han-Wen Nienhuys]

On Mon, Apr 4, 2011 at 3:15 PM, David Kastrup <address@hidden> wrote:
>
> Hi, I am trying to come up with an alteration value that does not match
> "normal" alterations but is neither positive nor negative (since
> otherwise a "change" will cause naturals to be printed).
>
> +nan.0 appears fine for that.  But can we rely on it being available on
> supported platforms?  I don't find it in the sources of Lilypond, though

It sounds a bit fishy especially since alterations are normally
rational numbers.  Why not use a non-number value to signify this?
Maybe #f ?


-- 
Han-Wen Nienhuys - address@hidden - http://www.xs4all.nl/~hanwen