util.Math.atan2

Computes the principal value of the arc tangent of y/x

Syntax

util.Math.atan2(
   y FLOAT,
   x FLOAT )
  RETURNS FLOAT
  1. y is a floating point decimal value.
  2. x is a floating point decimal value.

Usage

This function calculates the principal value of the arc tangent of y/x, using the signs of the two arguments to determine the quadrant of the result.

The function returns NULL, if one of the provided arguments is invalid.