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Ben Bacarisse <ben.usenet at bsb.me.uk> wrote: > >>> math.atan2(INF, INF) > 0.7853981633974483 > > I would have expected NaN since atan2(INF, INF) could be thought of as > the limit of atan2(x, y) which could be any value in the range. And I'd > have guessed atan2(0, 0) would have been NaN too but i'm not a math expert, but the limit of atan2 would be 45?, so pi/4 radians (0,7854). As x,y are coordinates, the both infinite would tend toward 45?. x only infinite would be 0? (0 radians) y only infinite woudl be 180? (pi/2 radians) -- Pierre-Alain Dorange <http://microwar.sourceforge.net/> Ce message est sous licence Creative Commons "by-nc-sa-2.0" <http://creativecommons.org/licenses/by-nc-sa/2.0/fr/>

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