Lines Matching defs:atan
39 // atan(X) = Tau + atan( (X`-B) / (One + BX) ) is correct
49 // Tau is atan( B ) if -5 <= k <= 4
53 // atan(NaN) = quiet NaN
54 // atan(+/-INF) = +/-Pi/2
55 // atan(+/-0) = +/-0
60 # -- Begin atan
61 ENTRY(atan)
214 END(atan)
215 # -- End atan
