# Arctangent Node ## Description Returns the arctangent of the value of input **In**. Each component should be within the range of -Pi/2 to Pi/2. ## Ports | Name | Direction | Type | Description | |:------------ |:-------------|:-----|:---| | In | Input | Dynamic Vector | Input value | | Out | Output | Dynamic Vector | Output value | ## Generated Code Example The following example code represents one possible outcome of this node. ``` void Unity_Arctangent_float4(float4 In, out float4 Out) { Out = atan(In); } ```