// accord GetRow returns a copy instead pointer, so we can not easily update data in place like in other bindings
/// <summary>
/// perform lowpass filter, unlike other bindings instead in-place calculation it returns new array
/// </summary>
/// <param name="data"></param>
/// <param name="sampling_rate"></param>
/// <param name="cutoff"></param>
/// <param name="order"></param>
/// <param name="filter_type"></param>
/// <param name="ripple"></param>
/// <returns>filtered data</returns>
public static double[] perform_lowpass(double[] data, int sampling_rate, double cutoff, int order, int filter_type, double ripple)
{
double[] filtered_data = new double[data.Length];
Array.Copy(data, filtered_data, data.Length);
int res = DataHandlerLibrary.perform_lowpass(filtered_data, data.Length, sampling_rate, cutoff, order, filter_type, ripple);
if (res != (int)CustomExitCodes.STATUS_OK)
{
throw new BrainFlowException(res);
}
return(filtered_data);
}
