protected virtual INDArray GeneratePossibleMoves(INDArray values)
{
List <int[]> possibleMoves = new List <int[]>();
int[] valuesInts = values.GetDataAs <int>().Data;
for (int i = 0; i < values.Length; i++)
{
if (valuesInts[i] == 0)
{
int[] valuesIntsClone = (int[])valuesInts.Clone();
valuesIntsClone[i] = 1;
possibleMoves.Add(valuesIntsClone);
_moveOrder.Add(i);
}
}
if (possibleMoves.Count > 0)
{
int[] moves = possibleMoves.Aggregate(ArrayUtils.Concatenate);
return(Handler.NDArray(moves, possibleMoves.Count, 1, 9));
}
return(null);
}
/// <inheritdoc />
protected override void OnReported(IRegistry parameterRegistry, IComputationHandler handler, INDArray inputs, INDArray desiredTargets)
{
HideLoadingIndicator();
float[] targetData = inputs.GetDataAs <float>().Data;
float min = targetData.Min(), max = targetData.Max();
float range = max - min;
Content.Dispatcher.Invoke(() => RenderRectangle <float>(inputs, r => 0, g => 0, b => (byte)(Math.Pow((b - min) / range, 1.5f) * 255), a => 0xff, 0, 0));
}
/// <inheritdoc />
protected override ADFloat32NDArray ConvertInternal(INDArray array)
{
ADFloat32NDArray @internal = array as ADFloat32NDArray;
if (@internal != null)
{
return(@internal);
}
return(new ADFloat32NDArray(DiffsharpBackendHandle.BackendTag, array.GetDataAs <float>(), array.Shape));
}
/// <inheritdoc />
protected override CudaFloat32NDArray ConvertInternal(INDArray array)
{
CudaFloat32NDArray @internal = array as CudaFloat32NDArray;
if (@internal != null)
{
return(@internal);
}
return(new CudaFloat32NDArray(new CudaSigmaDiffDataBuffer <float>(array.GetDataAs <float>(), 0L, array.Length, _cudaBackendHandle.BackendTag, _cudaBackendHandle.CudaContext), (long[])array.Shape.Clone()));
}
public void TestConstantValueInitialiserInitialise()
{
ConstantValueInitialiser initialiser = new ConstantValueInitialiser(2.0);
IComputationHandler handler = new CpuFloat32Handler();
INDArray array = handler.NDArray(2L, 1L, 2L, 2L);
Random random = new Random();
Assert.Throws <ArgumentNullException>(() => initialiser.Initialise((INDArray)null, handler, random));
Assert.Throws <ArgumentNullException>(() => initialiser.Initialise((INumber)null, handler, random));
Assert.Throws <ArgumentNullException>(() => initialiser.Initialise(array, null, random));
Assert.Throws <ArgumentNullException>(() => initialiser.Initialise(array, handler, null));
initialiser.Initialise(array, handler, new Random());
Assert.AreEqual(new float[] { 2, 2, 2, 2, 2, 2, 2, 2 }, array.GetDataAs <float>().GetValuesArrayAs <float>(0, 8));
}
/// <summary>
/// This method accepts a network pass and processes.
/// </summary>
/// <param name="array">The array that is the response from the pass.</param>
public void ReceivePass(INDArray array)
{
array = Handler.SoftMax(Handler.Multiply(array, 10)); // TODO remove hack and fix for very small numbers
KeyValuePair <double, int>[] sorted = array.GetDataAs <double>().Data.Select((x, i) => new KeyValuePair <double, int>(x, i)).OrderByDescending(x => x.Key).ToArray();
string text = "";
for (int i = 0; i < sorted.Length; i++)
{
double confidence = Math.Round(sorted[i].Key * 10000) / 100;
int number = sorted[i].Value;
_guesses[i].Probability = $"{confidence:00.000}";
_guesses[i].Digit = number;
//guesses.Add(new Guess { Accuracy = Math.Round(accuracy.Key * 100), Number = accuracy.Value });
}
Content.Dispatcher.Invoke(() =>
{
Items.Clear();
Items.AddRange(_guesses);
});
}
/// <summary>
/// Render bytes as a rectangle with a x- and y-offset and a given width and height. The data[] can be of arbitrary format and will be mapped with the provided functions. (see<see cref="ApplyTransformation{T}"/> for mor details).
/// </summary>
/// <param name="bitmap">The bitmap that will be written to.</param>
/// <param name="data">The data that will be rendered.</param>
/// <param name="xOffset">The x-offset.</param>
/// <param name="yOffset">The y-offste.</param>
/// <param name="transformationFuncs">The functions that map the data to bytes.</param>
public static void RenderRectangle <T>(this WriteableBitmap bitmap, INDArray data, int xOffset, int yOffset, params Func <T, byte>[] transformationFuncs) where T : struct
{
bitmap.RenderRectangle(data.GetDataAs <T>().ToArray(), (int)data.Shape[1], (int)data.Shape[0], xOffset, yOffset, transformationFuncs);
}
/// <summary>
/// Fill the content from a bitmap with the data from an INDarray. The data can be of arbitrary format and will be mapped with the provided functions. (see <see cref="ApplyTransformation{T}"/> for mor details).
/// </summary>
/// <typeparam name="T">The type of the data.</typeparam>
/// <param name="bitmap">The bitmap that will be written to.</param>
/// <param name="data">The data that will be written to the new bitmap.</param>
/// <param name="transformationFuncs">The functions that map the data to bytes.</param>
public static void Render <T>(this WriteableBitmap bitmap, INDArray data, params Func <T, byte>[] transformationFuncs) where T : struct
{
bitmap.Render(data.GetDataAs <T>().ToArray(), transformationFuncs);
}
/// <summary>
/// Render a stream of data with an xOffset. The data can be of arbitrary format and will be mapped with the provided functions. (see <see cref="ApplyTransformation{T}"/> for mor details).
/// </summary>
/// <typeparam name="T">The type of the data.</typeparam>
/// <param name="bitmap">The bitmap that will be written to.</param>
/// <param name="data">The data that will be written to the new bitmap.</param>
/// <param name="xOffset">The x-offset.</param>
/// <param name="transformationFuncs">The functions that map the data to bytes.</param>
public static void RenderStream <T>(this WriteableBitmap bitmap, INDArray data, int xOffset, params Func <T, byte>[] transformationFuncs) where T : struct
{
bitmap.RenderStreamRaw(ApplyTransformation(data.GetDataAs <T>().ToArray(), transformationFuncs), xOffset);
}
/// <summary>
/// Render bytes as a rectangle with a x- and y-offset, where the width and height is automatically taken from the INDarrays shape. The byte[] has to contain all data (so rgb etc).
/// </summary>
/// <param name="bitmap">The bitmap that will be written to.</param>
/// <param name="data">The data that will be rendered.</param>
/// <param name="xOffset">The x-offset.</param>
/// <param name="yOffset">The y-offste.</param>
public static void RenderRectangleRaw(this WriteableBitmap bitmap, INDArray data, int xOffset, int yOffset)
{
bitmap.RenderRectangleRaw(data.GetDataAs <byte>().ToArray(), (int)data.Shape[1], (int)data.Shape[0], xOffset, yOffset);
}
/// <summary>
/// Fill the content from a bitmap with a raw INDarray. The INDarray has to contain all data (so rgb etc).
/// </summary>
/// <param name="bitmap">The bitmap that will be written to.</param>
/// <param name="data">The data that will be written to the new bitmap.</param>
public static void RenderRaw(this WriteableBitmap bitmap, INDArray data)
{
bitmap.RenderRaw(data.GetDataAs <byte>().ToArray());
}
/// <summary>
/// Render a stream of bytes with an xOffset.
/// </summary>
/// <param name="bitmap">The bitmap that will be written to.</param>
/// <param name="data">The data that will be written to the new bitmap.</param>
/// <param name="xOffset">The x-Offset</param>
public static void RenderStreamRaw(this WriteableBitmap bitmap, INDArray data, int xOffset)
{
bitmap.RenderStreamRaw(data.GetDataAs <byte>().ToArray(), xOffset);
}