Dew Math for .NET
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Inverse tangens of Y/X.
Calculates the inverse tangens of Y/X, and returns an angle in the correct quadrant. The results are stored in calling object elements. Size and Complex properties of calling object are adjusted automatically to match those of X and Y objects. An exception is raised if X and Y size and Complex properties do not match.
The result will fall in the range from -PI to PI radians.
Note ArcTan is calculated as ArcTan2(1, X).
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