Han-Wen Nienhuys <hanw...@gmail.com> writes: > On Mon, Apr 4, 2011 at 3:15 PM, David Kastrup <d...@gnu.org> 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 ?
Because alterations are compared using `=' which bombs out on `#f' (which was actually my first attempt). -- David Kastrup _______________________________________________ lilypond-devel mailing list lilypond-devel@gnu.org http://lists.gnu.org/mailman/listinfo/lilypond-devel