Feature #10323 ยป improving_doc_of_atan2.patch
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* call-seq:
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* Math.atan2(y, x) -> Float
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*
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* Computes the arc tangent given +y+ and +x+.
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* Returns a Float in the range -PI..PI.
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* Returns a angle in radians between the positive x-axis of cartesian plane
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* and the point given by the coordinates (+x+, +y+) on it.
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*
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* Domain: (-INFINITY, INFINITY)
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*
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