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atan2

atan2(y,x)

Class Public methods

returns the arc tangent of y divided by x using the signs of y and x to determine the quadrant

Links:

https://github.com/ruby/ruby/blob/f0fa1d7a5a650206daac14f2093fd248d4267f9d/lib/cmath.rb#L286

doc_ruby_on_rails

2015-04-01 09:11:46

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