Пример #1
0
        /// <summary>
        /// Comparing 
        /// </summary>
        async Task<Congruence[]> CompareParallel(Signature mainSign, Signature[] signs)
        {
            if (mainSigns == null || signs == null || signs.Length == 0) return null;
            IEnumerable<Congruence> ret = null;
            object retLock = new object();

            Log(String.Format("Parallel compare. Delta is Sigma * {0:0.00}", NSigm));
            Recognition.Initialize();

            Stopwatch sw = new Stopwatch();
            sw.Start();
            int k = 1, n = signs.Length;
            await Task.Factory.StartNew(() =>
            {
                Parallel.For(0, signs.Length, delegate(int i)
                {
                    if(signs[i].FreqRate != mainSign.FreqRate)
                    {
                        Log(String.Format("Error: \"{0}\" is uncomparable with \"{1}\"", 
                            signs[i].ToString(), mainSign.ToString()));
                        return;
                    }
                    else if (signs[i].BaseFileInfo.SampleRate != mainSign.BaseFileInfo.SampleRate)
                    {
                        Log("Warning: basic rates is not equal:");
                        Log(String.Format("{0} [{1} Hz] : {2} [{3} Hz]",
                            mainSign.ToString(), mainSign.BaseFileInfo.SampleRate, 
                            signs[i].ToString(), signs[i].BaseFileInfo.SampleRate));
                    }
                    
                        // Сравнение
                    Congruence[] cong = mainSign.CompareTo(signs[i], NSigm);
                    
                    #region Вывод
                    StringBuilder sb = new StringBuilder();
                    sb.AppendFormat("[{0}/{1}]:\t{2} {3}", k++, n, signs[i].ToString(), Environment.NewLine);                    
                    if (cong == null)
                    {
                        sb.Append("\t\t[NULL]");
                        lock (logLock) Log(sb.ToString());
                        return;
                    }
                    for (int j = 0; j < cong.Length - 1; j++)
                    {
                        sb.AppendFormat("\t\t{0:T}; sigms: {1:0.00} {2}",
                                    mainSign.ToTimeSpan(cong[j].Coord), cong[j].SignSigma, Environment.NewLine);
                    }
                    sb.AppendFormat("\t\t{0:T}; sigms: {1:0.00}",
                                mainSign.ToTimeSpan(cong[cong.Length - 1].Coord), cong[cong.Length - 1].SignSigma);
                    lock (logLock) Log(sb.ToString());
                    #endregion

                    lock (retLock)
                    {
                        if (ret == null) ret = cong.AsEnumerable();
                        else ret = ret.Concat(cong);
                    }
                });
            });
            sw.Stop();
            Log("Elapsed: " + sw.Elapsed + Environment.NewLine + "Compare complete.");
            return ret == null ? null : ret.ToArray();
        }
Пример #2
0
 /// <summary>
 /// Set new sign info on dataSignInfo
 /// </summary>
 private void ShowSignInfo(Signature sign)
 {
     dataSignInfo.Rows.Clear();
     dataSignInfo.Rows.Add("Файл", sign.ToString());
     dataSignInfo.Rows.Add("Сигнатур в секунду", sign.FreqRate);
     dataSignInfo.Rows.Add("Частота источника", sign.BaseFileInfo.SampleRate);
     dataSignInfo.Rows.Add("Оконная функция", sign.WindowFunction.ToString());
     dataSignInfo.Rows.Add("Длительность", sign.ToTimeSpan().ToString());
 }