EXC/ x<>Rn for stack efficiency

06182017, 12:59 AM
Post: #39




RE: EXC/ x<>Rn for stack efficiency
(06172017 12:49 PM)Dieter Wrote: However, in this case the >R function is not required, instead >P does both calculations. Oops Quote:Since >P x<>y is not shorter than a division and arctan (two steps in both cases) the only advantage of the >P method may be that if the denominator is negative the returned angle is positive: arctan(1/–1) returns –45° while 1 ENTER –1 >P yields +135°. There is also an advantage when the denominator is zero. This alone makes it worthwhile I think. Pauli 

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