definitely non '0' since that signals that you're hitting the (0,0) coordinate. NaN seems ugly but I can't think of a better way unless DomPoint is extended to signal this edge case. Rik On Wed, Feb 13, 2013 at 3:55 PM, Robert O'Callahan <robert@ocallahan.org>wrote: > That's my edge case #6. We could return either 0 or NaN. > > > Rob > -- > Wrfhf pnyyrq gurz gbtrgure naq fnvq, “Lbh xabj gung gur ehyref bs gur > Tragvyrf ybeq vg bire gurz, naq gurve uvtu bssvpvnyf rkrepvfr nhgubevgl > bire gurz. Abg fb jvgu lbh. Vafgrnq, jubrire jnagf gb orpbzr terng nzbat > lbh zhfg or lbhe freinag, naq jubrire jnagf gb or svefg zhfg or lbhe fynir > — whfg nf gur Fba bs Zna qvq abg pbzr gb or freirq, ohg gb freir, naq gb > tvir uvf yvsr nf n enafbz sbe znal.” [Znggurj 20:25-28] >Received on Wednesday, 13 February 2013 05:48:16 UTC
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