using PCI8616card;
using System;
using System.Windows.Forms;

public class Util
{
    public static double[] average(double[,] data)
    {
        int len = data.GetLength(0);
        int lines = data.Length/len;
        double[] result = new double[len];
        for(int i = 0; i < lines; i++)
        {
            for(int j = 0; j < len; j++)
            {
                result[j] += data[i, j];
            }
        }
        for (int j = 0; j < len; j++)
        {
            result[j] /= lines;
        }
        return result;
    }

    public static void writeData(double[] data, int skipSamples)
    {
        SaveFileDialog saveFileDialog = new SaveFileDialog();
        saveFileDialog.Title = "name of file to save";
        saveFileDialog.Filter = "文本文件(*.txt)|数据文件(*.dat)";
        saveFileDialog.FilterIndex = 1;
        saveFileDialog.OverwritePrompt = true;
        if (saveFileDialog.ShowDialog() == DialogResult.OK)
        {
            //获得文件路径
            string filePath = saveFileDialog.FileName.ToString();
            System.IO.StreamWriter objFile = new System.IO.StreamWriter(filePath);
            int len = data.GetLength(0);
            for (int j = skipSamples-1; j < len; j++)
            {
                objFile.WriteLine(Convert.ToString(data[j]));
            }
            objFile.Close();
            objFile.Dispose();
            MessageBox.Show("保存成功！");
        }
    }
}