Esempio n. 1
0
        public override void Parse(TimeSpan timeOffset, ArraySegment <byte> byteSegment, bool markerBit)
        {
            Debug.Assert(byteSegment.Array != null, "byteSegment.Array != null");

            if (byteSegment.Count < JpegHeaderSize)
            {
                throw new MediaPayloadParserException("Input data size is smaller than JPEG header size");
            }

            int offset = byteSegment.Offset + 1;

            int fragmentOffset = BigEndianConverter.ReadUInt24(byteSegment.Array, offset);

            offset += 3;

            int type   = byteSegment.Array[offset++];
            int q      = byteSegment.Array[offset++];
            int width  = byteSegment.Array[offset++] * 8;
            int height = byteSegment.Array[offset++] * 8;
            int dri    = 0;

            if (type > 63)
            {
                dri     = BigEndianConverter.ReadUInt16(byteSegment.Array, offset);
                offset += 4;
            }

            if (fragmentOffset == 0)
            {
                if (_frameStream.Position != 0)
                {
                    GenerateFrame(timeOffset);
                }

                bool quantizationTablesChanged = false;

                if (q > 127)
                {
                    int mbz = byteSegment.Array[offset];

                    if (mbz == 0)
                    {
                        _hasExternalQuantizationTable = true;

                        int quantizationTablesLength = BigEndianConverter.ReadUInt16(byteSegment.Array, offset + 2);
                        offset += 4;

                        if (!ArrayUtils.IsBytesEquals(byteSegment.Array, offset, quantizationTablesLength,
                                                      _quantizationTables, 0, _quantizationTablesLength))
                        {
                            if (_quantizationTables.Length < quantizationTablesLength)
                            {
                                _quantizationTables = new byte[quantizationTablesLength];
                            }

                            Buffer.BlockCopy(byteSegment.Array, offset, _quantizationTables, 0,
                                             quantizationTablesLength);
                            _quantizationTablesLength = quantizationTablesLength;
                            quantizationTablesChanged = true;
                        }

                        offset += quantizationTablesLength;
                    }
                }

                if (quantizationTablesChanged || _currentType != type || _currentQ != q ||
                    _currentFrameWidth != width || _currentFrameHeight != height || _currentDri != dri)
                {
                    _currentType        = type;
                    _currentQ           = q;
                    _currentFrameWidth  = width;
                    _currentFrameHeight = height;
                    _currentDri         = dri;

                    ReInitializeJpegHeader();
                }

                _frameStream.Write(_jpegHeaderBytesSegment.Array, _jpegHeaderBytesSegment.Offset, _jpegHeaderBytesSegment.Count);
            }

            if (fragmentOffset != 0 && _frameStream.Position == 0)
            {
                return;
            }

            if (_frameStream.Position > JpegMaxSize)
            {
                throw new MediaPayloadParserException($"Jpeg frame is too large, more than {JpegMaxSize / (1024 * 1024)} Mb");
            }

            int dataSize = byteSegment.Offset + byteSegment.Count - offset;

            if (dataSize < 0)
            {
                throw new MediaPayloadParserException($"Invalid payload size: {dataSize}");
            }

            _frameStream.Write(byteSegment.Array, offset, dataSize);
        }
        /// <summary>
        /// This function train the input image and write result to text files in folder @"/Output"
        /// The result text files include speed comparison between global inhibition and local inhibition,
        /// the stable of the out put array (by comparing hamming distance arrays).
        /// Finally this method draw an image of active column as .png file.
        /// </summary>
        /// <param name="imageSize">Size of the image (image has same width and height)</param>
        /// <param name="columnDimension">List of sparse space size.(with same width and height)</param>
        /// <param name="inputBinarizedFile">input image after binarized</param>
        /// <param name="hammingFile">Path to hamming distance output file </param>
        /// <param name="outputSpeedFile">Path to speed comparison output file</param>
        /// <param name="activeColumnFile">Path to active column after training output file (as array text)</param>
        /// <param name="outputImage">Path to active column after training output file (as .png image file)</param>
        /// <param name="isGlobalInhibition">is using Global inhibition algorithms or not (if false using local inhibition)</param>
        private static void Training(int imageSize, int columnDimension, string inputBinarizedFile, string hammingFile, string outputSpeedFile, string activeColumnFile, string outputImage, bool isGlobalInhibition)
        {
            int outputImageSize = 1024;
            int activeColumn    = columnDimension * columnDimension;
            var stopwatch       = new Stopwatch();

            using (StreamWriter swHamming = new StreamWriter(hammingFile))
            {
                using (StreamWriter swSpeed = new StreamWriter(outputSpeedFile, true))
                {
                    using (StreamWriter swActiveColumn = new StreamWriter(activeColumnFile))
                    {
                        var parameters = SetupParameters(imageSize, columnDimension, isGlobalInhibition);
                        var sp         = new SpatialPooler();
                        var mem        = new Connections();

                        parameters.apply(mem);

                        stopwatch.Start();
                        sp.Init(mem);
                        stopwatch.Stop();

                        int   actiColumnLength = activeColumn;
                        int[] activeArray      = new int[actiColumnLength];

                        // Read input csv file into array
                        int[] inputVector = NeoCortexUtils.ReadCsvFileTest(inputBinarizedFile).ToArray();

                        stopwatch.Restart();

                        int   iterations = 300;
                        int[] oldArray   = new int[activeArray.Length];

                        for (int k = 0; k < iterations; k++)
                        {
                            sp.compute(inputVector, activeArray, true);

                            var activeCols = activeArray.IndexWhere((el) => el == 1);
                            var distance   = MathHelpers.GetHammingDistance(oldArray, activeArray);
                            var similarity = MathHelpers.CalcArraySimilarity(oldArray, activeArray);
                            swHamming.WriteLine($"{distance} | {similarity}");
                            var str = Helpers.StringifyVector(activeCols);
                            Debug.WriteLine(str);
                            oldArray = new int[actiColumnLength];
                            activeArray.CopyTo(oldArray, 0);
                        }

                        stopwatch.Stop();
                        var activeArrayString = Helpers.StringifyVector(activeArray);
                        swActiveColumn.WriteLine("Active Array: " + activeArrayString);

                        string inhibition   = isGlobalInhibition ? "Global" : "Local";
                        double milliseconds = stopwatch.ElapsedMilliseconds;
                        double seconds      = milliseconds / 1000;
                        swSpeed.WriteLine($"Topology: {columnDimension.ToString().PadRight(5)} | Inhibition type: {inhibition.PadRight(7)} | Total time: {milliseconds:N0} milliseconds ({seconds:N2} seconds).");

                        int[,] twoDimenArray = ArrayUtils.Make2DArray(activeArray, columnDimension, columnDimension);
                        twoDimenArray        = ArrayUtils.Transpose(twoDimenArray);

                        NeoCortexUtils.DrawBitmap(twoDimenArray, outputImageSize, outputImageSize, outputImage);
                    }
                }
            }
        }
Esempio n. 3
0
 public override void Initialize()
 {
     ArrayUtils.ZeroFill(_state);
     ArrayUtils.ZeroFill(_checksum);
     base.Initialize();
 }
Esempio n. 4
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 /// <returns>the values of counter as a shadow copy of array</returns>
 public virtual long[] AsArray()
 {
     return(ArrayUtils.Clone(counters));
 }
Esempio n. 5
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            public static bool Prefix()
            {
                var console = Console.instance;
                var input   = console.m_input.text;

                if (!input.StartsWith("call", true, CultureInfo.InvariantCulture))
                {
                    return(true);
                }
                var parts = CommandParser.Parse(input).ToArray();

                if (parts.Length < 3)
                {
                    console.AddString(
                        "call command requires at least 3 arguments: call <class> <methodName> [arg1] [arg2]");
                    return(false);
                }
                console.AddString(input);
                var targetClass = typeof(Console).Assembly.GetTypes()
                                  .FirstOrDefault(t => t.Name.Equals(parts[1].Text, StringComparison.InvariantCultureIgnoreCase));

                if (targetClass == null)
                {
                    console.AddString($"Could not find class with name '{parts[1]}'");
                    return(false);
                }
                var method = targetClass.GetMethods(BindingFlags.Public |
                                                    BindingFlags.Static |
                                                    BindingFlags.NonPublic |
                                                    BindingFlags.Instance |
                                                    BindingFlags.InvokeMethod)
                             .FirstOrDefault(m => m.Name.Equals(parts[2].Text, StringComparison.InvariantCultureIgnoreCase));

                if (method == null)
                {
                    console.AddString($"Could not find method '{parts[2].Text}' on class '{targetClass.FullName}'");
                    return(false);
                }
                // Parameters must match target method.
                var methodParams = method.GetParameters();

                if (methodParams.Length != parts.Length - 3) // -3 for command, class and method name args
                {
                    console.AddString(
                        $"Command does not match method parameters. Expected parameter types: {string.Join(", ", methodParams.Select(p => p.ParameterType.Name))}");
                    return(false);
                }
                var methodArgsToSupply = new object[methodParams.Length];

                for (var i = 0; i < methodParams.Length; i++)
                {
                    var argText   = parts[i + 3].Text;
                    var paramType = methodParams[i].ParameterType;
                    try
                    {
                        methodArgsToSupply[i] = TypeDescriptor.GetConverter(paramType).ConvertFrom(argText);
                    }
                    catch (NotSupportedException)
                    {
                        console.AddString(
                            $"Cannot convert argument {i + 1} '{argText}' to type of '{paramType.FullName}'");
                        return(false);
                    }
                }
                // Handle instance method calls by getting singleton instance (if possible).
                object targetInstance = null;

                if (!method.IsStatic)
                {
                    targetInstance = targetClass == typeof(Player)
                        ? Player.m_localPlayer
                        : targetClass.GetField("m_instance", BindingFlags.Static | BindingFlags.NonPublic)
                                     ?.GetValue(null);
                    if (targetInstance == null)
                    {
                        console.AddString(
                            $"Could not call method '{method.Name}' because it's an instance method and no static instance field is defined on it");
                        return(false);
                    }
                }

                // Call method, print result.
                var result = method.Invoke(targetInstance, methodArgsToSupply);

                if (result != null)
                {
                    console.AddString(string.Join(", ", ArrayUtils.ToStringArray(result)));
                }
                return(false);
            }
Esempio n. 6
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 public string[] GetFileExtensions()
 {
     return(ArrayUtils.MakeArray <string>(_languageExtensions.Keys));
 }
 /// <summary>
 /// Returns the text bytes including the encoding's preamble (<see cref="Encoding.GetPreamble"/>), if any.
 /// </summary>
 private byte[] GetBytes(string text, Encoding encoding)
 {
     byte[] resourceData = encoding.GetBytes(text);
     resourceData = (byte[])ArrayUtils.Concat(encoding.GetPreamble(), resourceData);
     return(resourceData);
 }
Esempio n. 8
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        public void SendFile()
        {
            int              bytesRead = 0;
            long             len       = new FileInfo(_filePath).Length;
            DtmFileInfoSruct flHdr     = new DtmFileInfoSruct(_filePath, len, 0);
            int              ckSize    = _clientSocket.SendBufferSize - (flHdr.GetHeaderSize() + DtmPacketStruct.GetHeaderSize());

            byte[] inputBuffer = new byte[ckSize];

            try
            {
                using (FileStream inStream = new FileStream(_filePath, FileMode.Open, FileAccess.Read, FileShare.Read))
                {
                    // loop through file
                    while ((bytesRead = inStream.Read(inputBuffer, 0, ckSize)) > 0)
                    {
                        // wrap in a file info; option flag is used for payload length
                        flHdr.OptionsFlag = bytesRead;
                        byte[] hdrArr = flHdr.ToBytes();

                        // add data
                        if (bytesRead == ckSize)
                        {
                            hdrArr = ArrayUtils.Concat(hdrArr, inputBuffer);
                        }
                        else
                        {
                            hdrArr = ArrayUtils.Concat(hdrArr, ArrayUtils.GetRange(inputBuffer, 0, bytesRead));
                        }

                        // encrypt the header and data
                        byte[] enc = SymmetricTransform(_fileSymProcessor, hdrArr);
                        // send to the remote host
                        Transmit(DtmPacketFlags.Transfer, (short)DtmTransferFlags.DataChunk, _fileId, new MemoryStream(enc));
                        // increment counter
                        _bytesSent += bytesRead;

                        // progress
                        if (ProgressPercent != null)
                        {
                            double progress = 100.0 * (double)_bytesSent / inStream.Length;
                            ProgressPercent(this, new System.ComponentModel.ProgressChangedEventArgs((int)progress, (object)inStream.Length));
                        }
                    }
                }
                // notify app
                if (FileTransferred != null)
                {
                    FileTransferred(this, new DtmPacketArgs((short)DtmTransferFlags.Sent, _fileId));
                }
            }
            catch (Exception ex)
            {
                throw new CryptoFileTransferException("DtmFileTransfer:SendFile", "The file transfer did not complete!", ex);
            }
            finally
            {
                // flush
                SendFlush();
            }
        }
Esempio n. 9
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        internal int ComputeCastDistance(List <StackValue> args, ClassTable classTable, Core core)
        {
            //Compute the cost to migrate a class calls argument types to the coresponding base types
            //This cannot be used to determine whether a function can be called as it will ignore anything that doesn't
            //it should only be used to determine which class is closer

            if (args.Count != FormalParams.Length)
            {
                return(int.MaxValue);
            }

            int distance = 0;

            if (0 == args.Count)
            {
                return(distance);
            }
            else
            {
                // Check if all the types match the current function at 'n'
                for (int i = 0; i < args.Count; ++i)
                {
                    int rcvdType = (int)args[i].metaData.type;

                    // If its a default argumnet, then it wasnt provided by the caller
                    // The rcvdType is the type of the argument signature
                    if (args[i].optype == AddressType.DefaultArg)
                    {
                        rcvdType = FormalParams[i].UID;
                    }

                    int expectedType = FormalParams[i].UID;

                    int currentCost = 0;

                    if (FormalParams[i].IsIndexable != ArrayUtils.IsArray(args[i])) //Replication code will take care of this
                    {
                        continue;
                    }
                    else if (FormalParams[i].IsIndexable && (FormalParams[i].IsIndexable == ArrayUtils.IsArray(args[i])))
                    {
                        continue;
                    }
                    else if (expectedType == rcvdType && (FormalParams[i].IsIndexable == ArrayUtils.IsArray(args[i])))
                    {
                        continue;
                    }
                    else if (rcvdType != ProtoCore.DSASM.Constants.kInvalidIndex &&
                             expectedType != ProtoCore.DSASM.Constants.kInvalidIndex)
                    {
                        currentCost += ClassUtils.GetUpcastCountTo(classTable.ClassNodes[rcvdType],
                                                                   classTable.ClassNodes[expectedType], core);
                    }
                    distance += currentCost;
                }
                return(distance);
            }
        }
 public override void OnStart()
 {
     // Choose a random combat action from this character's action set
     combatMove.SetValue(ArrayUtils.RandomElement(character.CharacterControl.ActionSet.combatActionScriptableObjects));
 }
Esempio n. 11
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        private void Receive(Stream PacketStream)
        {
            // get the packet header
            DtmPacketStruct prcPacket = new DtmPacketStruct(PacketStream);

            // read the packet
            byte[] enc = new byte[prcPacket.PayloadLength];
            // get the encrypted data
            PacketStream.Read(enc, 0, enc.Length);
            // decrypt it using file crypto processor
            byte[] dec = SymmetricTransform(_fileSymProcessor, enc);
            // get file info header
            DtmFileInfoSruct pktFi = new DtmFileInfoSruct(dec);
            // store file name and size
            string fileName  = pktFi.FileName;
            long   fileSize  = pktFi.FileSize;
            long   streamLen = 0;

            try
            {
                using (FileStream outStream = new FileStream(_tempPath, FileMode.Append, FileAccess.Write, FileShare.Read))
                {
                    // calculate offsets
                    int hdrSize = pktFi.GetHeaderSize();
                    int len     = dec.Length - hdrSize;
                    // write to file
                    outStream.Write(ArrayUtils.GetRange(dec, hdrSize, len), 0, len);
                    // store length
                    streamLen = outStream.Length;

                    // progress
                    if (ProgressPercent != null)
                    {
                        double progress = 100.0 * (double)pktFi.OptionsFlag / fileSize;
                        ProgressPercent(this, new System.ComponentModel.ProgressChangedEventArgs((int)progress, (object)fileSize));
                    }
                }

                // transfer completed
                if (streamLen == fileSize)
                {
                    // reset attributes
                    File.SetAttributes(_tempPath, File.GetAttributes(_tempPath) & ~FileAttributes.Hidden);
                    // rename the file
                    File.Move(_tempPath, VTDev.Libraries.CEXEngine.Tools.FileTools.GetUniqueName(_filePath));

                    // notify app
                    if (FileTransferred != null)
                    {
                        FileTransferred(this, new DtmPacketArgs((short)DtmTransferFlags.Received, prcPacket.OptionFlag));
                    }

                    // flush and close
                    ReceiveClose();
                }
            }
            catch (Exception ex)
            {
                throw new CryptoFileTransferException("DtmFileTransfer:Receive", "The file transfer did not complete!", ex);
            }
        }
 public override DynamicMetaObject Bind(DynamicMetaObject target, DynamicMetaObject[] args)
 {
     return(PythonProtocol.Index(this, PythonIndexType.DeleteSlice, ArrayUtils.Insert(target, args)));
 }
Esempio n. 13
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 public product(params object[] iterables)
 {
     InnerEnumerator = Yielder(ArrayUtils.ConvertAll(iterables, x => new List(PythonOps.GetEnumerator(x))));
 }
        /// <summary>
        /// Implements the experiment.
        /// </summary>
        /// <param name="cfg"></param>
        /// <param name="encoder"></param>
        /// <param name="inputValues"></param>
        private static void RunExperiment(HtmConfig cfg, EncoderBase encoder, List <int[]> inputValues)
        {
            // Creates the htm memory.
            var mem = new Connections(cfg);

            bool isInStableState = false;

            //
            // HPC extends the default Spatial Pooler algorithm.
            // The purpose of HPC is to set the SP in the new-born stage at the begining of the learning process.
            // In this stage the boosting is very active, but the SP behaves instable. After this stage is over
            // (defined by the second argument) the HPC is controlling the learning process of the SP.
            // Once the SDR generated for every input gets stable, the HPC will fire event that notifies your code
            // that SP is stable now.
            HomeostaticPlasticityController hpa = new HomeostaticPlasticityController(mem, inputValues.Count * 40,
                                                                                      (isStable, numPatterns, actColAvg, seenInputs) =>
            {
                // Event should only be fired when entering the stable state.
                // Ideal SP should never enter unstable state after stable state.
                if (isStable == false)
                {
                    Debug.WriteLine($"INSTABLE STATE");
                    // This should usually not happen.
                    isInStableState = false;
                }
                else
                {
                    Debug.WriteLine($"STABLE STATE");
                    // Here you can perform any action if required.
                    isInStableState = true;
                }
            }, requiredSimilarityThreshold: 0.975);

            // It creates the instance of Spatial Pooler Multithreaded version.
            SpatialPooler sp = new SpatialPoolerMT(hpa);

            // Initializes the
            sp.Init(mem);

            // Holds the indicies of active columns of the SDR.
            Dictionary <string, int[]> prevActiveColIndicies = new Dictionary <string, int[]>();

            // Holds the active column SDRs.
            Dictionary <string, int[]> prevActiveCols = new Dictionary <string, int[]>();

            // Will hold the similarity of SDKk and SDRk-1 fro every input.
            Dictionary <string, double> prevSimilarity = new Dictionary <string, double>();

            //
            // Initiaize start similarity to zero.
            for (int i = 0; i < inputValues.Count; i++)
            {
                string inputKey = GetInputGekFromIndex(i);
                prevSimilarity.Add(inputKey, 0.0);
                prevActiveColIndicies.Add(inputKey, new int[0]);
            }

            // Learning process will take 1000 iterations (cycles)
            int maxSPLearningCycles = 1000;

            for (int cycle = 0; cycle < maxSPLearningCycles; cycle++)
            {
                //Debug.WriteLine($"Cycle  ** {cycle} ** Stability: {isInStableState}");

                //
                // This trains the layer on input pattern.
                for (int inputIndx = 0; inputIndx < inputValues.Count; inputIndx++)
                {
                    string inputKey = GetInputGekFromIndex(inputIndx);
                    int[]  input    = inputValues[inputIndx];

                    double similarity;

                    int[] activeColumns = new int[(int)cfg.NumColumns];

                    // Learn the input pattern.
                    // Output lyrOut is the output of the last module in the layer.
                    sp.compute(input, activeColumns, true);
                    // DrawImages(cfg, inputKey, input, activeColumns);

                    var actColsIndicies = ArrayUtils.IndexWhere(activeColumns, c => c == 1);

                    similarity = MathHelpers.CalcArraySimilarity(actColsIndicies, prevActiveColIndicies[inputKey]);

                    Debug.WriteLine($"[i={inputKey}, cols=:{actColsIndicies.Length} s={similarity}] SDR: {Helpers.StringifyVector(actColsIndicies)}");

                    prevActiveCols[inputKey]        = activeColumns;
                    prevActiveColIndicies[inputKey] = actColsIndicies;
                    prevSimilarity[inputKey]        = similarity;

                    if (isInStableState)
                    {
                        GenerateResult(cfg, inputValues, prevActiveColIndicies, prevActiveCols);
                        return;
                    }
                }
            }
        }
Esempio n. 15
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 public string[] GetNameSelection()
 {
     return(ArrayUtils.Concat(mdata.StringColumnNames, mdata.CategoryColumnNames));
 }
Esempio n. 16
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        /// <summary>
        /// Compute the number of type transforms needed to turn the current type into the target type
        /// Note that this method returns int[] -> char[] as an exact match
        /// </summary>
        /// <param name="args"></param>
        /// <returns></returns>
        public int ComputeTypeDistance(List <StackValue> args, ProtoCore.DSASM.ClassTable classTable, Core core, bool allowArrayPromotion = false)
        {
            //Modified from proc Table, does not use quite the same arguments

            int distance = (int)ProcedureDistance.kMaxDistance;

            if (0 == args.Count && 0 == FormalParams.Length)
            {
                distance = (int)ProcedureDistance.kExactMatchDistance;
            }
            else
            {
                // Jun Comment:
                // Default args not provided by the caller would have been pushed by the call instruction as optype = DefaultArs
                if (FormalParams.Length == args.Count)
                {
                    // Check if all the types match the current function at 'n'
                    for (int i = 0; i < args.Count; ++i)
                    {
                        int rcvdType = (int)args[i].metaData.type;

                        // If its a default argumnet, then it wasnt provided by the caller
                        // The rcvdType is the type of the argument signature
                        if (args[i].optype == AddressType.DefaultArg)
                        {
                            rcvdType = FormalParams[i].UID;
                        }

                        int expectedType = FormalParams[i].UID;
                        int currentScore = (int)ProcedureDistance.kNotMatchScore;

                        //Fuqiang: For now disable rank check
                        //if function is expecting array, but non-array or array of lower rank is passed, break.
                        //if (args[i].rank != -1 && args[i].UID != (int)PrimitiveType.kTypeVar && args[i].rank < argTypeList[i].rank)

                        //Only enable type check, and array and non-array check

                        /*  SUSPECTED REDUNDANT Luke,Jun
                         * if (args[i].rank != -1 && args[i].UID != (int)PrimitiveType.kTypeVar && !args[i].IsIndexable && FormalParams[i].IsIndexable)
                         * {
                         *   distance = (int)ProcedureDistance.kMaxDistance;
                         *   break;
                         * }
                         * else */

                        //sv rank > param rank

                        if (allowArrayPromotion)
                        {
                            //stop array -> single
                            if (ArrayUtils.IsArray(args[i]) && !FormalParams[i].IsIndexable) //Replication code will take care of this
                            {
                                distance = (int)ProcedureDistance.kMaxDistance;
                                break;
                            }
                        }
                        else
                        {
                            //stop array -> single && single -> array
                            if (ArrayUtils.IsArray(args[i]) != FormalParams[i].IsIndexable)
                            //Replication code will take care of this
                            {
                                distance = (int)ProcedureDistance.kMaxDistance;
                                break;
                            }
                        }

                        if (FormalParams[i].IsIndexable && (FormalParams[i].IsIndexable == ArrayUtils.IsArray(args[i])))
                        {
                            //In case of conversion from double to int, add a conversion score.
                            //There are overloaded methods and the difference is the parameter type between int and double.
                            //Add this to make it call the correct one. - Randy
                            bool bContainsDouble = ArrayUtils.ContainsDoubleElement(args[i], core);
                            if (FormalParams[i].UID == (int)PrimitiveType.kTypeInt && bContainsDouble)
                            {
                                currentScore = (int)ProcedureDistance.kCoerceDoubleToIntScore;
                            }
                            else if (FormalParams[i].UID == (int)PrimitiveType.kTypeDouble && !bContainsDouble)
                            {
                                currentScore = (int)ProcedureDistance.kCoerceIntToDoubleScore;
                            }
                            else
                            {
                                currentScore = (int)ProcedureDistance.kExactMatchScore;
                            }
                        }
                        else if (expectedType == rcvdType && (FormalParams[i].IsIndexable == ArrayUtils.IsArray(args[i])))
                        {
                            currentScore = (int)ProcedureDistance.kExactMatchScore;
                        }
                        else if (rcvdType != ProtoCore.DSASM.Constants.kInvalidIndex)
                        {
                            currentScore = classTable.ClassNodes[rcvdType].GetCoercionScore(expectedType);
                            if (currentScore == (int)ProcedureDistance.kNotMatchScore)
                            {
                                distance = (int)ProcedureDistance.kMaxDistance;
                                break;
                            }
                        }
                        distance -= currentScore;
                    }
                }
            }
            return(distance);
        }
Esempio n. 17
0
 public string[] GetLanguageNames()
 {
     return(ArrayUtils.MakeArray <string>(_languageNames.Keys));
 }
Esempio n. 18
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        public bool DoesTypeDeepMatch(List <StackValue> formalParameters, Core core)
        {
            if (formalParameters.Count != FormalParams.Length)
            {
                return(false);
            }

            for (int i = 0; i < FormalParams.Length; i++)
            {
                if (FormalParams[i].IsIndexable != ArrayUtils.IsArray(formalParameters[i]))
                {
                    return(false);
                }

                if (FormalParams[i].IsIndexable && ArrayUtils.IsArray(formalParameters[i]))
                {
                    if (FormalParams[i].rank != ArrayUtils.GetMaxRankForArray(formalParameters[i], core) &&
                        FormalParams[i].rank != DSASM.Constants.kArbitraryRank)
                    {
                        return(false);
                    }


                    Type typ = FormalParams[i];
                    Dictionary <ClassNode, int> arrayTypes = ArrayUtils.GetTypeStatisticsForArray(formalParameters[i], core);

                    ClassNode cn = null;

                    if (arrayTypes.Count == 0)
                    {
                        //This was an empty array
                        Validity.Assert(cn == null, "If it was an empty array, there shouldn't be a type node");
                        cn = core.ClassTable.ClassNodes[(int)PrimitiveType.kTypeNull];
                    }
                    else if (arrayTypes.Count == 1)
                    {
                        //UGLY, get the key out of the array types, of which there is only one
                        foreach (ClassNode key in arrayTypes.Keys)
                        {
                            cn = key;
                        }
                    }
                    else if (arrayTypes.Count > 1)
                    {
                        ClassNode commonBaseType = ArrayUtils.GetGreatestCommonSubclassForArray(formalParameters[i], core);

                        if (commonBaseType == null)
                        {
                            throw new ProtoCore.Exceptions.ReplicationCaseNotCurrentlySupported("Array with no common superclass not yet supported: {0C644179-14F5-4172-8EF8-A2F3739901B2}");
                        }

                        cn = commonBaseType; //From now on perform tests on the commmon base type
                    }


                    ClassNode argTypeNode = core.ClassTable.ClassNodes[typ.UID];

                    //cn now represents the class node of the argument
                    //argTypeNode represents the class node of the argument

                    int coersionScore = cn.GetCoercionScore(core.ClassTable.ClassNodes.IndexOf(argTypeNode));

                    //TODO(Jun)This is worrying test

                    //Disable var as exact match, otherwise resolution between double and var will fail
                    if (cn != argTypeNode && cn != core.ClassTable.ClassNodes[(int)PrimitiveType.kTypeNull] && argTypeNode != core.ClassTable.ClassNodes[(int)PrimitiveType.kTypeVar])
                    {
                        return(false);
                    }

                    //if (coersionScore != (int)ProcedureDistance.kExactMatchScore)
                    //    return false;

                    continue;
                }

                if (FormalParams[i].UID != (int)formalParameters[i].metaData.type)
                {
                    return(false);
                }
            }
            return(true);
        }
Esempio n. 19
0
        public void ProcessData(IMatrixData mdata, Parameters param, ref IMatrixData[] supplTables,
                                ref IDocumentData[] documents, ProcessInfo processInfo)
        {
            List <string> expNames    = mdata.ColumnNames;
            string        errorString = null;

            int[,] colInds = SortNumberedNames(expNames, mdata.ColumnDescriptions, maxInd, ref errorString,
                                               out string[] allSuffixes, out string[] allPrefixes, out List <string> allDescriptions);
            if (errorString != null)
            {
                processInfo.ErrString = errorString;
                return;
            }
            int[] normalIndices = ArrayUtils.Complement(To1DArray(colInds), expNames.Count);
            normalIndices = FilterExpressionColIndices(normalIndices, mdata.ColumnNames, allPrefixes);
            int[] validNumCols = GetValidNumCols(mdata.NumericColumnNames, allPrefixes);
            int   nrows        = mdata.RowCount * allSuffixes.Length;
            int   ncols        = normalIndices.Length + allPrefixes.Length;

            double[,] data    = new double[nrows, ncols];
            double[,] quality = new double[nrows, ncols];
            bool[,] imputed   = new bool[nrows, ncols];
            List <double[]> numCols = new List <double[]>();

            for (int i = 0; i < validNumCols.Length; i++)
            {
                numCols.Add(new double[nrows]);
            }
            List <string[]> stringCols = new List <string[]>();

            for (int i = 0; i < mdata.StringColumnCount + 1; i++)
            {
                stringCols.Add(new string[nrows]);
            }
            List <string[][]> catCols = new List <string[][]>();

            for (int i = 0; i < mdata.CategoryColumnCount + 1; i++)
            {
                catCols.Add(new string[nrows][]);
            }
            List <double[][]> multiNumCols = new List <double[][]>();

            for (int i = 0; i < mdata.MultiNumericColumnCount; i++)
            {
                multiNumCols.Add(new double[nrows][]);
            }
            List <string> expColNames        = new List <string>();
            List <string> expColDescriptions = new List <string>();

            foreach (int t in normalIndices)
            {
                expColNames.Add(expNames[t]);
                expColDescriptions.Add(mdata.ColumnDescriptions[t]);
            }
            foreach (Tuple <string, string> t in allPrefixes.Zip(allDescriptions, Tuple.Create))
            {
                expColNames.Add(t.Item1);
                expColDescriptions.Add(t.Item2);
            }
            int count = 0;

            for (int i = 0; i < allSuffixes.Length; i++)
            {
                for (int j = 0; j < mdata.RowCount; j++)
                {
                    count++;
                    int rowInd = i * mdata.RowCount + j;
                    for (int k = 0; k < normalIndices.Length; k++)
                    {
                        data[rowInd, k]    = mdata.Values.Get(j, normalIndices[k]);
                        quality[rowInd, k] = mdata.Quality.Get(j, normalIndices[k]);
                        imputed[rowInd, k] = mdata.IsImputed[j, normalIndices[k]];
                    }
                    for (int k = 0; k < allPrefixes.Length; k++)
                    {
                        data[rowInd, normalIndices.Length + k]    = mdata.Values.Get(j, colInds[k, i]);
                        quality[rowInd, normalIndices.Length + k] = mdata.Quality.Get(j, colInds[k, i]);
                        imputed[rowInd, normalIndices.Length + k] = mdata.IsImputed[j, colInds[k, i]];
                    }
                    for (int k = 0; k < validNumCols.Length; k++)
                    {
                        numCols[k][rowInd] = mdata.NumericColumns[validNumCols[k]][j];
                    }
                    for (int k = 0; k < mdata.StringColumnCount; k++)
                    {
                        stringCols[k][rowInd] = mdata.StringColumns[k][j];
                    }
                    for (int k = 0; k < mdata.CategoryColumnCount; k++)
                    {
                        catCols[k][rowInd] = mdata.GetCategoryColumnEntryAt(k, j);
                    }
                    for (int k = 0; k < mdata.MultiNumericColumnCount; k++)
                    {
                        multiNumCols[k][rowInd] = mdata.MultiNumericColumns[k][j];
                    }
                    catCols[mdata.CategoryColumnCount][rowInd]  = new[] { allSuffixes[i] };
                    stringCols[stringCols.Count - 1][count - 1] = "UID" + count;
                }
            }
            string[] catColNames = ArrayUtils.Concat(mdata.CategoryColumnNames, new[] { "Multiplicity" });
            mdata.ColumnNames        = expColNames;
            mdata.ColumnDescriptions = expColDescriptions;
            mdata.Values.Set(data);
            mdata.Quality.Set(quality);
            mdata.IsImputed.Set(imputed);
            mdata.SetAnnotationColumns(new List <string>(ArrayUtils.Concat(mdata.StringColumnNames, new[] { "Unique identifier" })),
                                       stringCols, new List <string>(catColNames), catCols, ArrayUtils.SubList(mdata.NumericColumnNames, validNumCols),
                                       numCols, mdata.MultiNumericColumnNames, multiNumCols);
        }
Esempio n. 20
0
 public object CallInstanceReflected(CodeContext context, object instance, params object[] args)
 {
     return(CallReflected(context, CallType.ImplicitInstance, ArrayUtils.Insert(instance, args)));
 }
Esempio n. 21
0
            private void MakeReverseDelegateWorker(CodeContext context)
            {
                Type[] sigTypes;
                Type[] callSiteType;
                Type   retType;

                GetSignatureInfo(out sigTypes, out callSiteType, out retType);

                DynamicMethod dm    = new DynamicMethod("ReverseInteropInvoker", retType, ArrayUtils.RemoveLast(sigTypes), DynamicModule);
                ILGenerator   ilGen = dm.GetILGenerator();
                PythonContext pc    = context.LanguageContext;

                Type     callDelegateSiteType = CompilerHelpers.MakeCallSiteDelegateType(callSiteType);
                CallSite site = CallSite.Create(callDelegateSiteType, pc.Invoke(new CallSignature(_argtypes.Length)));

                List <object> constantPool = new List <object>();

                constantPool.Add(null); // 1st item is the target object, will be put in later.
                constantPool.Add(site);

                ilGen.BeginExceptionBlock();

                //CallSite<Func<CallSite, object, object>> mySite;
                //mySite.Target(mySite, target, ...);

                LocalBuilder siteLocal = ilGen.DeclareLocal(site.GetType());

                ilGen.Emit(OpCodes.Ldarg_0);
                ilGen.Emit(OpCodes.Ldc_I4, constantPool.Count - 1);
                ilGen.Emit(OpCodes.Ldelem_Ref);
                ilGen.Emit(OpCodes.Castclass, site.GetType());
                ilGen.Emit(OpCodes.Stloc, siteLocal);
                ilGen.Emit(OpCodes.Ldloc, siteLocal);
                ilGen.Emit(OpCodes.Ldfld, site.GetType().GetField("Target"));
                ilGen.Emit(OpCodes.Ldloc, siteLocal);

                // load code context
                int contextIndex = constantPool.Count;

                Debug.Assert(pc.SharedContext != null);
                constantPool.Add(pc.SharedContext);
                ilGen.Emit(OpCodes.Ldarg_0);
                ilGen.Emit(OpCodes.Ldc_I4, contextIndex);
                ilGen.Emit(OpCodes.Ldelem_Ref);

                // load function target, in constant pool slot 0
                ilGen.Emit(OpCodes.Ldarg_0);
                ilGen.Emit(OpCodes.Ldc_I4_0);
                ilGen.Emit(OpCodes.Ldelem_Ref);

                // load arguments
                for (int i = 0; i < _argtypes.Length; i++)
                {
                    INativeType nativeType = _argtypes[i];
                    nativeType.EmitReverseMarshalling(ilGen, new Arg(i + 1, sigTypes[i + 1]), constantPool, 0);
                }

                ilGen.Emit(OpCodes.Call, callDelegateSiteType.GetMethod("Invoke"));

                LocalBuilder finalRes = null;

                // emit forward marshaling for return value
                if (_restype != null)
                {
                    LocalBuilder tmpRes = ilGen.DeclareLocal(typeof(object));
                    ilGen.Emit(OpCodes.Stloc, tmpRes);
                    finalRes = ilGen.DeclareLocal(retType);

                    ((INativeType)_restype).EmitMarshalling(ilGen, new Local(tmpRes), constantPool, 0);
                    ilGen.Emit(OpCodes.Stloc, finalRes);
                }
                else
                {
                    ilGen.Emit(OpCodes.Pop);
                }

                // } catch(Exception e) {
                // emit the cleanup code

                ilGen.BeginCatchBlock(typeof(Exception));

                ilGen.Emit(OpCodes.Ldarg_0);
                ilGen.Emit(OpCodes.Ldc_I4, contextIndex);
                ilGen.Emit(OpCodes.Ldelem_Ref);
                ilGen.Emit(OpCodes.Call, typeof(ModuleOps).GetMethod("CallbackException"));

                ilGen.EndExceptionBlock();

                if (_restype != null)
                {
                    ilGen.Emit(OpCodes.Ldloc, finalRes);
                }
                ilGen.Emit(OpCodes.Ret);

                _reverseDelegateConstants = constantPool;
                _reverseDelegateType      = GetReverseDelegateType(ArrayUtils.RemoveFirst(sigTypes), CallingConvention);
                _reverseDelegate          = dm;
            }
Esempio n. 22
0
 private static Exception ErrorDecoding(CodeContext context, params object[] args)
 {
     return(PythonExceptions.CreateThrowable(SSLError(context), ArrayUtils.Insert("Error decoding PEM-encoded file ", args)));
 }
        protected override Expression VisitTry(TryExpression node)
        {
            int startYields = _yields.Count;

            bool savedInTryWithFinally = _inTryWithFinally;

            if (node.Finally != null || node.Fault != null)
            {
                _inTryWithFinally = true;
            }
            Expression @try      = Visit(node.Body);
            int        tryYields = _yields.Count;

            IList <CatchBlock> handlers = Visit(node.Handlers, VisitCatchBlock);
            int catchYields             = _yields.Count;

            // push a new return label in case the finally block yields
            _returnLabels.Push(Expression.Label("tryLabel"));
            // only one of these can be non-null
            Expression  @finally      = Visit(node.Finally);
            Expression  fault         = Visit(node.Fault);
            LabelTarget finallyReturn = _returnLabels.Pop();
            int         finallyYields = _yields.Count;

            _inTryWithFinally = savedInTryWithFinally;

            if (@try == node.Body &&
                handlers == node.Handlers &&
                @finally == node.Finally &&
                fault == node.Fault)
            {
                return(node);
            }

            // No yields, just return
            if (startYields == _yields.Count)
            {
                Debug.Assert(@try.Type == node.Type);
                Debug.Assert(handlers == null || handlers.Count == 0 || handlers[0].Body.Type == node.Type);
                return(Expression.MakeTry(null, @try, @finally, fault, handlers));
            }

            if (fault != null && finallyYields != catchYields)
            {
                // No one needs this yet, and it's not clear how we should get back to
                // the fault
                throw new NotSupportedException("yield in fault block is not supported");
            }

            // If try has yields, we need to build a new try body that
            // dispatches to the yield labels
            var tryStart = Expression.Label("tryStart");

            if (tryYields != startYields)
            {
                @try = Expression.Block(MakeYieldRouter(node.Body.Type, startYields, tryYields, tryStart), @try);
                Debug.Assert(@try.Type == node.Body.Type);
            }

            // Transform catches with yield to deferred handlers
            if (catchYields != tryYields)
            {
                var block = new List <Expression>();

                block.Add(MakeYieldRouter(node.Body.Type, tryYields, catchYields, tryStart));
                block.Add(null); // empty slot to fill in later

                for (int i = 0, n = handlers.Count; i < n; i++)
                {
                    CatchBlock c = handlers[i];

                    if (c == node.Handlers[i])
                    {
                        continue;
                    }

                    if (handlers.IsReadOnly)
                    {
                        handlers = ArrayUtils.ToArray(handlers);
                    }

                    // the variable that will be scoped to the catch block
                    var exceptionVar = Expression.Variable(c.Test, null);

                    // the variable that the catch block body will use to
                    // access the exception. We reuse the original variable if
                    // the catch block had one. It needs to be hoisted because
                    // the catch might contain yields.
                    var deferredVar = c.Variable ?? Expression.Variable(c.Test, null);
                    LiftVariable(deferredVar);

                    // We need to ensure that filters can access the exception
                    // variable
                    Expression filter = c.Filter;
                    if (filter != null && c.Variable != null)
                    {
                        filter = Expression.Block(new[] { c.Variable }, Expression.Assign(c.Variable, exceptionVar), filter);
                    }

                    // catch (ExceptionType exceptionVar) {
                    //     deferredVar = exceptionVar;
                    // }
                    handlers[i] = Expression.Catch(
                        exceptionVar,
                        Expression.Block(
                            DelayedAssign(Visit(deferredVar), exceptionVar),
                            Expression.Default(node.Body.Type)
                            ),
                        filter
                        );

                    // We need to rewrite rethrows into "throw deferredVar"
                    var catchBody = new RethrowRewriter {
                        Exception = deferredVar
                    }.Visit(c.Body);

                    // if (deferredVar != null) {
                    //     ... catch body ...
                    // }
                    block.Add(
                        Expression.Condition(
                            Expression.NotEqual(Visit(deferredVar), AstUtils.Constant(null, deferredVar.Type)),
                            catchBody,
                            Expression.Default(node.Body.Type)
                            )
                        );
                }

                block[1] = Expression.MakeTry(null, @try, null, null, new ReadOnlyCollection <CatchBlock>(handlers));
                @try     = Expression.Block(block);
                Debug.Assert(@try.Type == node.Body.Type);
                handlers = new CatchBlock[0]; // so we don't reuse these
            }

            if (finallyYields != catchYields)
            {
                // We need to add a catch block to save the exception, so we
                // can rethrow in case there is a yield in the finally. Also,
                // add logic for returning. It looks like this:
                //
                // try { ... } catch (Exception all) { saved = all; }
                // finally {
                //  if (_finallyReturnVar) goto finallyReturn;
                //   ...
                //   if (saved != null) throw saved;
                //   finallyReturn:
                // }
                // if (_finallyReturnVar) goto _return;

                // We need to add a catch(Exception), so if we have catches,
                // wrap them in a try
                if (handlers.Count > 0)
                {
                    @try = Expression.MakeTry(null, @try, null, null, handlers);
                    Debug.Assert(@try.Type == node.Body.Type);
                    handlers = new CatchBlock[0];
                }

                // NOTE: the order of these routers is important
                // The first call changes the labels to all point at "tryEnd",
                // so the second router will jump to "tryEnd"
                var        tryEnd          = Expression.Label("tryEnd");
                Expression inFinallyRouter = MakeYieldRouter(node.Body.Type, catchYields, finallyYields, tryEnd);
                Expression inTryRouter     = MakeYieldRouter(node.Body.Type, catchYields, finallyYields, tryStart);

                var all   = Expression.Variable(typeof(Exception), "e");
                var saved = Expression.Variable(typeof(Exception), "$saved$" + _temps.Count);
                LiftVariable(saved);
                @try = Expression.Block(
                    Expression.TryCatchFinally(
                        Expression.Block(
                            inTryRouter,
                            @try,
                            DelayedAssign(Visit(saved), AstUtils.Constant(null, saved.Type)),
                            Expression.Label(tryEnd)
                            ),
                        Expression.Block(
                            MakeSkipFinallyBlock(finallyReturn),
                            inFinallyRouter,
                            @finally,
                            Expression.Condition(
                                Expression.NotEqual(Visit(saved), AstUtils.Constant(null, saved.Type)),
                                Expression.Throw(Visit(saved)),
                                Utils.Empty()
                                ),
                            Expression.Label(finallyReturn)
                            ),
                        Expression.Catch(all, Utils.Void(DelayedAssign(Visit(saved), all)))
                        ),
                    Expression.Condition(
                        Expression.Equal(_gotoRouter, AstUtils.Constant(GotoRouterYielding)),
                        Expression.Goto(_returnLabels.Peek()),
                        Utils.Empty()
                        )
                    );

                @finally = null;
            }
            else if (@finally != null)
            {
                // try or catch had a yield, modify finally so we can skip over it
                @finally = Expression.Block(
                    MakeSkipFinallyBlock(finallyReturn),
                    @finally,
                    Expression.Label(finallyReturn)
                    );
            }

            // Make the outer try, if needed
            if (handlers.Count > 0 || @finally != null || fault != null)
            {
                @try = Expression.MakeTry(null, @try, @finally, fault, handlers);
            }
            Debug.Assert(@try.Type == node.Body.Type);
            return(Expression.Block(Expression.Label(tryStart), @try));
        }
Esempio n. 24
0
        /// <summary>
        /// Construct the check matrix of a Goppa code in canonical form from the irreducible Goppa polynomial over the finite field <c>GF(2^m)</c>.
        /// </summary>
        ///
        /// <param name="Field">The finite field</param>
        /// <param name="Gp">The irreducible Goppa polynomial</param>
        ///
        /// <returns>The new GF2Matrix</returns>
        public static GF2Matrix CreateCanonicalCheckMatrix(GF2mField Field, PolynomialGF2mSmallM Gp)
        {
            int m = Field.Degree;
            int n = 1 << m;
            int t = Gp.Degree;

            // create matrix H over GF(2^m)
            int[][] hArray = ArrayUtils.CreateJagged <int[][]>(t, n);
            // create matrix YZ
            int[][] yz = ArrayUtils.CreateJagged <int[][]>(t, n);

            if (ParallelUtils.IsParallel)
            {
                Parallel.For(0, n, j =>
                             yz[0][j] = Field.Inverse(Gp.EvaluateAt(j)));
            }
            else
            {
                // here j is used as index and as element of field GF(2^m)
                for (int j = 0; j < n; j++)
                {
                    yz[0][j] = Field.Inverse(Gp.EvaluateAt(j));
                }
            }

            for (int i = 1; i < t; i++)
            {
                // here j is used as index and as element of field GF(2^m)
                if (ParallelUtils.IsParallel)
                {
                    Parallel.For(0, n, j =>
                    {
                        yz[i][j] = Field.Multiply(yz[i - 1][j], j);
                    });
                }
                else
                {
                    for (int j = 0; j < n; j++)
                    {
                        yz[i][j] = Field.Multiply(yz[i - 1][j], j);
                    }
                }
            }

            // create matrix H = XYZ
            for (int i = 0; i < t; i++)
            {
                if (ParallelUtils.IsParallel)
                {
                    Parallel.For(0, n, j =>
                    {
                        for (int k = 0; k <= i; k++)
                        {
                            hArray[i][j] = Field.Add(hArray[i][j], Field.Multiply(yz[k][j], Gp.GetCoefficient(t + k - i)));
                        }
                    });
                }
                else
                {
                    for (int j = 0; j < n; j++)
                    {
                        for (int k = 0; k <= i; k++)
                        {
                            hArray[i][j] = Field.Add(hArray[i][j], Field.Multiply(yz[k][j], Gp.GetCoefficient(t + k - i)));
                        }
                    }
                }
            }

            // convert to matrix over GF(2)
            int[][] result = ArrayUtils.CreateJagged <int[][]>(t * m, IntUtils.URShift((n + 31), 5));

            if (ParallelUtils.IsParallel)
            {
                for (int j = 0; j < n; j++)
                {
                    int q = IntUtils.URShift(j, 5);
                    int r = 1 << (j & 0x1f);
                    for (int i = 0; i < t; i++)
                    {
                        int e = hArray[i][j];
                        Parallel.For(0, m, u =>
                        {
                            int b = (IntUtils.URShift(e, u)) & 1;
                            if (b != 0)
                            {
                                int ind         = (i + 1) * m - u - 1;
                                result[ind][q] ^= r;
                            }
                        });
                    }
                }
            }
            else
            {
                for (int j = 0; j < n; j++)
                {
                    int q = IntUtils.URShift(j, 5);
                    int r = 1 << (j & 0x1f);
                    for (int i = 0; i < t; i++)
                    {
                        int e = hArray[i][j];
                        for (int u = 0; u < m; u++)
                        {
                            int b = (IntUtils.URShift(e, u)) & 1;
                            if (b != 0)
                            {
                                int ind = (i + 1) * m - u - 1;
                                result[ind][q] ^= r;
                            }
                        }
                    }
                }
            }

            return(new GF2Matrix(n, result));
        }
Esempio n. 25
0
        /// <summary>
        /// Packs arguments into the buffer according to given specifiers and repeaters.
        /// Count specifies the number of valid specifiers/repeaters.
        /// </summary>
        private static void PackInternal(byte[] buffer, object[] args, char[] specifiers, int[] repeaters, int count)
        {
            Encoding encoding = Configuration.Application.Globalization.PageEncoding;
            bool     le       = BitConverter.IsLittleEndian;
            int      a        = 0;            // index of the current argument
            int      pos      = 0;            // the position in the buffer

            for (int i = 0; i < count; i++)
            {
                char specifier = specifiers[i];
                int  repeater  = repeaters[i];

                switch (specifier)
                {
                case 'x':
                    // NUL byte repeated for "repeater" count:
                    ArrayUtils.Fill(buffer, 0, pos, repeater);
                    pos += repeater;
                    break;

                case '@':
                    // NUL-fill to absolute position;
                    // if it is less then the current position the result is shortened
                    if (repeater > pos)
                    {
                        ArrayUtils.Fill(buffer, 0, pos, repeater - pos);
                    }
                    pos = repeater;
                    break;

                case 'X':
                    pos = Math.Max(0, pos - repeater);
                    break;

                case 'a':                         // NUL-padded string
                case 'A':                         // SPACE-padded string
                {
                    // argument has already been converted to string:
                    string s = (string)args[a++];

                    int length     = Math.Min(s.Length, repeater);
                    int byte_count = encoding.GetBytes(s, 0, length, buffer, pos);
                    Debug.Assert(byte_count == length, "Multibyte characters not supported");

                    // padding:
                    if (repeater > length)
                    {
                        ArrayUtils.Fill(buffer, (byte)((specifier == 'a') ? 0x00 : 0x20), pos + length, repeater - length);
                    }

                    pos += repeater;
                    break;
                }

                case 'h':                         // Hex string, low/high nibble first - converts to a string, takes n hex digits from string:
                case 'H':
                {
                    // argument has already been converted to string:
                    string s = (string)args[a++];

                    int nibble_shift = (specifier == 'h') ? 0 : 4;

                    for (int j = 0; j < repeater; j++)
                    {
                        int digit = Core.Parsers.Convert.AlphaNumericToDigit(s[j]);
                        if (digit > 15)
                        {
                            PhpException.Throw(PhpError.Warning, LibResources.GetString("illegal_hex_digit", specifier, s[j]));
                            digit = 0;
                        }

                        if (j % 2 == 0)
                        {
                            buffer[pos] = unchecked ((byte)(digit << nibble_shift));
                        }
                        else
                        {
                            buffer[pos] |= unchecked ((byte)(digit << (4 - nibble_shift)));
                            pos++;
                        }
                    }

                    // odd number of hex digits (append '0' digit):
                    if (repeater % 2 == 1)
                    {
                        pos++;
                    }

                    break;
                }

                case 'c':                         // signed char
                case 'C':                         // unsigned char
                    while (repeater-- > 0)
                    {
                        buffer[pos++] = unchecked ((byte)Core.Convert.ObjectToInteger(args[a++]));
                    }
                    break;

                case 's':                         // signed short (always 16 bit, machine byte order)
                case 'S':                         // unsigned short (always 16 bit, machine byte order)
                    while (repeater-- > 0)
                    {
                        PackNumber(BitConverter.GetBytes(unchecked ((ushort)Core.Convert.ObjectToInteger(args[a++]))), le, buffer, ref pos);
                    }
                    break;

                case 'n':                         // unsigned short (always 16 bit, big endian byte order)
                case 'v':                         // unsigned short (always 16 bit, little endian byte order)
                    while (repeater-- > 0)
                    {
                        PackNumber(BitConverter.GetBytes(unchecked ((ushort)Core.Convert.ObjectToInteger(args[a++]))), specifier == 'v', buffer, ref pos);
                    }
                    break;

                case 'i':                         // signed integer (machine dependent size and byte order - always 32 bit)
                case 'I':                         // signed integer (machine dependent size and byte order - always 32 bit)
                case 'l':                         // signed long (always 32 bit, machine byte order)
                case 'L':                         // unsigned long (always 32 bit, machine byte order)
                    while (repeater-- > 0)
                    {
                        PackNumber(BitConverter.GetBytes(Core.Convert.ObjectToInteger(args[a++])), le, buffer, ref pos);
                    }
                    break;

                case 'N':                         // unsigned long (always 32 bit, big endian byte order)
                case 'V':                         // unsigned long (always 32 bit, little endian byte order)
                    while (repeater-- > 0)
                    {
                        PackNumber(BitConverter.GetBytes(Core.Convert.ObjectToInteger(args[a++])), specifier == 'V', buffer, ref pos);
                    }
                    break;

                case 'f':                         // float (machine dependent size and representation - size is always 4B)
                    while (repeater-- > 0)
                    {
                        PackNumber(BitConverter.GetBytes(unchecked ((float)Core.Convert.ObjectToDouble(args[a++]))), le, buffer, ref pos);
                    }
                    break;

                case 'd':                         // double (machine dependent size and representation - size is always 8B)
                    while (repeater-- > 0)
                    {
                        PackNumber(BitConverter.GetBytes(Core.Convert.ObjectToDouble(args[a++])), le, buffer, ref pos);
                    }
                    break;

                default:
                    Debug.Fail("Invalid specifier");
                    break;
                }
            }
        }
Esempio n. 26
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        internal static DynamicMetaObject Call(DynamicMetaObjectBinder /*!*/ call, DynamicMetaObject target, DynamicMetaObject /*!*/[] /*!*/ args)
        {
            Assert.NotNull(call, args);
            Assert.NotNullItems(args);

            if (target.NeedsDeferral())
            {
                return(call.Defer(ArrayUtils.Insert(target, args)));
            }

            foreach (DynamicMetaObject mo in args)
            {
                if (mo.NeedsDeferral())
                {
                    RestrictTypes(args);

                    return(call.Defer(
                               ArrayUtils.Insert(target, args)
                               ));
                }
            }

            DynamicMetaObject self = target.Restrict(target.GetLimitType());

            ValidationInfo valInfo   = BindingHelpers.GetValidationInfo(target);
            PythonType     pt        = DynamicHelpers.GetPythonType(target.Value);
            PythonContext  pyContext = PythonContext.GetPythonContext(call);

            // look for __call__, if it's present dispatch to it.  Otherwise fall back to the
            // default binder
            PythonTypeSlot callSlot;

            if (!typeof(Delegate).IsAssignableFrom(target.GetLimitType()) &&
                pt.TryResolveSlot(pyContext.SharedContext, "__call__", out callSlot))
            {
                ConditionalBuilder cb = new ConditionalBuilder(call);
                Expression         body;

                callSlot.MakeGetExpression(
                    pyContext.Binder,
                    PythonContext.GetCodeContext(call),
                    self,
                    GetPythonType(self),
                    cb
                    );

                if (!cb.IsFinal)
                {
                    cb.FinishCondition(GetCallError(call, self));
                }

                Expression[] callArgs = ArrayUtils.Insert(
                    PythonContext.GetCodeContext(call),
                    cb.GetMetaObject().Expression,
                    DynamicUtils.GetExpressions(args)
                    );

                body = DynamicExpression.Dynamic(
                    PythonContext.GetPythonContext(call).Invoke(
                        BindingHelpers.GetCallSignature(call)
                        ),
                    typeof(object),
                    callArgs
                    );

                body = Ast.TryFinally(
                    Ast.Block(
                        Ast.Call(typeof(PythonOps).GetMethod("FunctionPushFrame"), Ast.Constant(pyContext)),
                        body
                        ),
                    Ast.Call(typeof(PythonOps).GetMethod("FunctionPopFrame"))
                    );

                return(BindingHelpers.AddDynamicTestAndDefer(
                           call,
                           new DynamicMetaObject(body, self.Restrictions.Merge(BindingRestrictions.Combine(args))),
                           args,
                           valInfo
                           ));
            }

            return(null);
        }
        /// <summary>
        /// This function train the input image and write result to text files in folder @"/OutputDutyCycle"
        /// The result text files include speed comparison between global inhibition and local inhibition,
        /// the stable of the out put array (by comparing hamming distance arrays).
        /// Finally this method draw an image of active column as .png file.
        /// This training method is used for testing speed of training with different value of max boost and duty cycle
        /// </summary>
        /// <param name="inputBinarizedFile">input image after binarized</param>
        /// <param name="hammingFile">Path to hamming distance output file</param>
        /// <param name="outputSpeedFile">Path to speed comparison output file</param>
        /// <param name="outputImage">Path to active column after training output file (as .png image file)</param>
        /// <param name="parameters">Parameter setup</param>
        private static void Training(string inputBinarizedFile, string hammingFile, string outputSpeedFile, string outputImage, Parameters parameters)
        {
            int outputImageSize = 1024;
            int topology        = parameters.Get <int[]>(KEY.COLUMN_DIMENSIONS)[0];
            int activeColumn    = topology * topology;
            var stopwatch       = new Stopwatch();

            using (StreamWriter swHamming = new StreamWriter(hammingFile))
            {
                using (StreamWriter swSpeed = new StreamWriter(outputSpeedFile, true))
                {
                    var sp  = new SpatialPooler();
                    var mem = new Connections();

                    parameters.apply(mem);

                    stopwatch.Start();
                    sp.Init(mem);
                    stopwatch.Stop();

                    int   actiColumnLength = activeColumn;
                    int[] activeArray      = new int[actiColumnLength];

                    // Read input csv file into array
                    int[] inputVector = NeoCortexUtils.ReadCsvFileTest(inputBinarizedFile).ToArray();

                    stopwatch.Restart();

                    int   iterations = 1000;
                    int[] oldArray   = new int[activeArray.Length];

                    for (int k = 0; k < iterations; k++)
                    {
                        sp.compute(inputVector, activeArray, true);

                        var activeCols = activeArray.IndexWhere((el) => el == 1);
                        var distance   = MathHelpers.GetHammingDistance(oldArray, activeArray);
                        var similarity = MathHelpers.CalcArraySimilarity(oldArray, activeArray);
                        swHamming.WriteLine($"{distance} | {similarity}");
                        var str = Helpers.StringifyVector(activeCols);
                        Debug.WriteLine(str);
                        oldArray = new int[actiColumnLength];
                        activeArray.CopyTo(oldArray, 0);
                    }

                    var activeArrayString = Helpers.StringifyVector(activeArray);

                    stopwatch.Stop();

                    Debug.WriteLine("Active Array: " + activeArrayString);

                    int    potentialRadius    = parameters.Get <int>(KEY.POTENTIAL_RADIUS);
                    bool   isGlobalInhibition = parameters.Get <bool>(KEY.GLOBAL_INHIBITION);
                    string inhibition         = isGlobalInhibition ? "Global" : "Local";
                    double milliseconds       = stopwatch.ElapsedMilliseconds;
                    double seconds            = milliseconds / 1000;
                    swSpeed.WriteLine($"Column dimension: {topology.ToString().PadRight(5)} |Potential Radius: {potentialRadius}| Inhibition type: {inhibition.PadRight(7)} | Total time: {milliseconds:N0} milliseconds ({seconds:N2} seconds).");

                    int[,] twoDimenArray = ArrayUtils.Make2DArray(activeArray, topology, topology);
                    twoDimenArray        = ArrayUtils.Transpose(twoDimenArray);

                    NeoCortexUtils.DrawBitmap(twoDimenArray, outputImageSize, outputImageSize, outputImage);
                }
            }
        }
        public void ProcessData(IMatrixData mdata, Parameters param, ref IMatrixData[] supplTables,
                                ref IDocumentData[] documents, ProcessInfo processInfo)
        {
            const bool rows      = true;
            int        minValids = PerseusPluginUtils.GetMinValids(param, out bool percentage);
            ParameterWithSubParams <int> modeParam = param.GetParamWithSubParams <int>("Mode");
            int modeInd = modeParam.Value;

            if (modeInd != 0 && mdata.CategoryRowNames.Count == 0)
            {
                processInfo.ErrString = "No grouping is defined.";
                return;
            }
            PerseusPluginUtils.ReadValuesShouldBeParams(param, out FilteringMode filterMode, out double threshold, out double threshold2);
            if (modeInd != 0)
            {
                int        gind     = modeParam.GetSubParameters().GetParam <int>("Grouping").Value;
                string[][] groupCol = mdata.GetCategoryRowAt(gind);
                if (param.GetParam <int>("Filter mode").Value == 2)
                {
                    //discarded
                    List <int> valids    = new List <int>();
                    List <int> notvalids = new List <int>();
                    string[]   groupVals = ArrayUtils.UniqueValuesPreserveOrder(groupCol);
                    Array.Sort(groupVals);
                    int[][] groupInds = CalcGroupInds(groupVals, groupCol);
                    for (int i = 0; i < mdata.RowCount; i++)
                    {
                        int[] counts = new int[groupVals.Length];
                        int[] totals = new int[groupVals.Length];
                        for (int j = 0; j < groupInds.Length; j++)
                        {
                            for (int k = 0; k < groupInds[j].Length; k++)
                            {
                                if (groupInds[j][k] >= 0)
                                {
                                    totals[groupInds[j][k]]++;
                                }
                            }
                            if (PerseusPluginUtils.IsValid(mdata.Values.Get(i, j), threshold, threshold2, filterMode))
                            {
                                for (int k = 0; k < groupInds[j].Length; k++)
                                {
                                    if (groupInds[j][k] >= 0)
                                    {
                                        counts[groupInds[j][k]]++;
                                    }
                                }
                            }
                        }
                        bool[] groupValid = new bool[counts.Length];
                        for (int j = 0; j < groupValid.Length; j++)
                        {
                            groupValid[j] = PerseusPluginUtils.Valid(counts[j], minValids, percentage, totals[j]);
                        }
                        if (modeInd == 2 ? ArrayUtils.Or(groupValid) : ArrayUtils.And(groupValid))
                        {
                            valids.Add(i);
                        }
                        else
                        {
                            notvalids.Add(i);
                        }
                    }
                    supplTables = new[] { PerseusPluginUtils.CreateSupplTabSplit(mdata, notvalids.ToArray()) };
                }
                NonzeroFilterGroup(minValids, percentage, mdata, param, modeInd == 2, threshold, threshold2, filterMode, groupCol);
            }
            else
            {
                if (param.GetParam <int>("Filter mode").Value == 2)
                {
                    supplTables = new[] { PerseusPluginUtils.NonzeroFilter1Split(rows, minValids, percentage, mdata, param, threshold, threshold2, filterMode) };
                }
                PerseusPluginUtils.NonzeroFilter1(rows, minValids, percentage, mdata, param, threshold, threshold2, filterMode);
            }
        }
Esempio n. 29
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 protected override byte[] GetResult() => ArrayUtils.Clone(_state);
Esempio n. 30
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 /// <summary>
 /// Constructor (from flattened policy vector)
 /// </summary>
 /// <param name="values"></param>
 /// <param name="policyLogisticVectorsFlatAs"></param>
 /// <param name="draws"></param>
 public ONNXRuntimeExecutorResultBatch(bool isWDL, FP16[] values, float[] policyLogisticVectorsFlatAs, float[] valueFCActiviationsFlat, int numPositionsUsed)
     : this(isWDL, values, ArrayUtils.ToArrayOfArray(policyLogisticVectorsFlatAs, EncodedPolicyVector.POLICY_VECTOR_LENGTH), ArrayUtils.ToArrayOfArray(valueFCActiviationsFlat, 32 * 64), numPositionsUsed)
 {
 }