ATAN2

Reference material for ATAN2 function

Two-argument arc tangent function. Calculates the angle, in radians, between the specified positive x-axis value and the ray from the origin to the point (y,x).

Syntax

ATAN2(<value_y>,<value_x>)

Parameters

Parameter	Description	Supported input types
<value_y>	The y value in the arc tangent calculation	DOUBLE PRECISION
<value_x>	The x value in the arc tangent calculation	DOUBLE PRECISION

Return Type

DOUBLE PRECISION

Example

The following example calculates the arc tangent of the values 11 and 3: