/// <summary>
/// read data from file, data will be transposed back to original format
/// </summary>
/// <param name="file_name"></param>
/// <returns></returns>
public static double[,] read_file(string file_name)
{
int[] num_elements = new int[1];
int res = DataHandlerLibrary.get_num_elements_in_file(file_name, num_elements);
if (res != (int)CustomExitCodes.STATUS_OK)
{
throw new BrainFlowException(res);
}
double[] data_arr = new double[num_elements[0]];
int[] num_rows = new int[1];
int[] num_cols = new int[1];
res = DataHandlerLibrary.read_file(data_arr, num_rows, num_cols, file_name, num_elements[0]);
if (res != (int)CustomExitCodes.STATUS_OK)
{
throw new BrainFlowException(res);
}
double[,] result = new double[num_rows[0], num_cols[0]];
for (int i = 0; i < num_rows[0]; i++)
{
for (int j = 0; j < num_cols[0]; j++)
{
result[i, j] = data_arr[i * num_cols[0] + j];
}
}
return(result);
}