/// <summary>
/// Returns the arc tan of coordinates x-y.
/// </summary>
public static FP Atan2(FP y, FP x)
{
return(FP.Atan2(y, x));
}
/// <summary>
/// Returns the arc tan of coordinates x-y.
/// </summary>
public static FP Atan2(FP y, FP x)
{
return(FP.Atan2(y, x));
}