/// <summary>
/// perform windowing
/// </summary>
/// <param name="window_function">window function</param>
/// <param name="window_len">len of the window</param>
/// <returns>array of the size specified in window_len</returns>
public static double[] get_window(int window_function, int window_len)
{
double[] window_data = new double[window_len];
int res = DataHandlerLibrary.get_window(window_function, window_len, window_data);
if (res != (int)CustomExitCodes.STATUS_OK)
{
throw new BrainFlowException(res);
}
return(window_data);
}