Richard T. Jones wrote: > > ROOT users, > > Can someone explain why TMath::Atan2() is something other than the > standard atan2() in degrees? As it is, the function returns theta+90. > If this is intended, could it be named something other than Atan2? > > thanks, > Richard Jones Hi Rick, TMath has two functions: TMath::ATan2(double, double) identical to atan2 TMath::Atan2(long,long) returning results in degrees. You should call the first one with T and not t Rene Brun
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