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method

atan2

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v1_8_7_330 - Show latest stable - 0 notes - Class: Math
atan2(y,x) public

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# File lib/complex.rb, line 586
  def atan2(y,x)
    if Complex.generic?(y) and Complex.generic?(x)
      atan2!(y,x)
    else
      -1.0.im * log( (x+1.0.im*y) / sqrt(x*x+y*y) )
    end
  end
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