Floating point complex division
Complex floating point division isn't quite trivial. The naive method may encounter overflow, underflow, or loss of precision due to the intermediate floating point results. A simple remedy is:
Calculates (a + ib)/(c + id) and returns a two-element JS array with the real and imaginary components.
result is an optional
Array or typed array into which the output is inserted.
var cdiv = ;var result = ;// result = [ 0.44, 0.08 ]
 Press, William H. Numerical Recipes 3rd Edition: The Art of Scientific Computing. Cambridge University Press, 2007.
(c) 2015 Ricky Reusser. MIT License