atan2(Decimal, Decimal) - Amazon IoT Analytics
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atan2(Decimal, Decimal)

Returns the angle, in radians, between the positive x-axis and the (x, y) point defined in the two arguments. The angle is positive for counter-clockwise angles (upper half-plane, y > 0), and negative for clockwise angles Decimal arguments are rounded to double precision before function application.

Examples: atan(1, 0) = 1.5707963267948966

Argument type Argument type Result

Int / Decimal

Int / Decimal

Decimal (with double precision), the angle between the x-axis and the specified (x,y) point

Int / Decimal / String

Int / Decimal / String

Decimal, the inverse tangent of the point described. If a string cannot be converted, the result is Undefined.

Other Value

Other Value

Undefined.