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4-Quadrant Arctan Function
Function φ = atan2(y,x) calculates the 4-quadrant inverse tangent in the range -Pi to Pi. Functionally equivalent to the atan2 function in 'C' and MATLAB®. Ideal for the measurement of complex phase in DSP applications. Accuracy to within 0.00008 radians.
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Block Diagram of the 4-Quadrant Arctan Function
