private void Button_Click_1(object sender, RoutedEventArgs e)
{
var numberOfNeurons = int.Parse(InputNumber.Text);
Network = new Network(numberOfNeurons);
foreach (var item in Layers.Items)
{
var properties = item.ToString().Split(' ');
var neurons = int.Parse(properties[0]);
IActivationFunction activation;
if (properties[1] == "S")
{
activation = new SigmoidFunction();
}
else
{
activation = new IdentityFunction();
}
ILayerUtility utility;
if (properties[2] == "B")
{
utility = new BiasedUtility();
}
else
{
utility = new UnbiasedUtility();
}
Network.AddLayer(new Layer(neurons, activation, utility));
}
}
public async void Http_trigger_should_return_known_hash(string username, string password, string hash)
{
var logger = TestFactory.CreateLogger();
var body = JsonConvert.SerializeObject(new LoginRequestCommand
{
UserName = username,
Password = password
});
var request = TestFactory.CreateCommandHttpRequest(body);
var response = (OkObjectResult)await IdentityFunction.Run(request, logger);
Assert.Equal(hash, response.Value);
}
public List <IdentityFunction> Initialize()
{
var functions = new List <IdentityFunction>();
var actionDescs = _actionProvider.ActionDescriptors.Items.Cast <ControllerActionDescriptor>();
foreach (var item in actionDescs)
{
IdentityFunction action = GetFunction(item);
if (IsRepeatMethod(action, functions))
{
//此url重复
return(null);
}
functions.Add(action);
}
return(functions);
}
/// <summary>
/// 获取功能信息
/// </summary>
/// <param name="actionDesc"></param>
/// <returns></returns>
private IdentityFunction GetFunction(ControllerActionDescriptor actionDesc)
{
EnumFunctionAccessType accessType = EnumFunctionAccessType.Anonymous;
var ControllerName = actionDesc.ControllerTypeInfo.GetDescription();
var ActionName = actionDesc.MethodInfo.CustomAttributes.FirstOrDefault(z => z.AttributeType == typeof(DescriptionAttribute))?.ConstructorArguments.FirstOrDefault().Value;
var methods = string.Join(", ", actionDesc.ActionConstraints?.OfType <HttpMethodActionConstraint>().SingleOrDefault()?.HttpMethods ?? new string[] { "any" });
IdentityFunction function = new IdentityFunction()
{
Name = $"{ControllerName}-{ActionName}",
AccessType = accessType,
Area = GetArea(actionDesc.ControllerTypeInfo),
Controller = actionDesc.ControllerName,
Action = actionDesc.ActionName,
Methods = methods,
Url = actionDesc.AttributeRouteInfo?.Template.ToLower()
};
return(function);
}
private void TrainBtnClick(object sender, RoutedEventArgs e)
{
double learningRate;
double momentum;
int iterations;
if (TypeComboBox.SelectedItem is null)
{
return;
}
if (TypeComboBox.SelectedValue.ToString() == "Classification")
{
networkType = new ClassificationNetwork();
}
else
{
networkType = new RegressionNetwork();
}
int classesCount = 0;
int attributesCount = 0;
if (!Double.TryParse(this.EtaTb.Text, out learningRate))
{
return;
}
if (!Double.TryParse(this.AlphaTb.Text, out momentum))
{
return;
}
// parse neuron counts separated by commas
var neurons = this.HiddenNeuronsTb.Text.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Select(x =>
{
var res = 0;
if (!Int32.TryParse(x, out res))
{
return(0);
}
return(res);
}).ToList();
if (neurons.Any(x => x <= 0))
{
return;
}
if (!Int32.TryParse(this.IterationsTb.Text, out iterations))
{
return;
}
var trainSet = this.GetSetFromFile(ref classesCount, ref attributesCount)?.NormalizedData;
if (trainSet == null)
{
return;
}
// TODO: permit user to model network and edit parameters
int outputNeurons = classesCount;
IActivation activationFunction = new SigmoidFunction();
if (networkType is RegressionNetwork)
{
outputNeurons = 1;
activationFunction = new IdentityFunction();
}
this.network = new Network().BuildNetwork(attributesCount, neurons, outputNeurons, learningRate, momentum, activationFunction, networkType);
var tb = ShowWaitingDialog();
Task.Run(() =>
{
var errors = this.network.Train(trainSet, iterations);
tb.Dispatcher.Invoke(() =>
{
this.DrawChart
(
"Error function",
new List <IEnumerable <Tuple <double, double> > >()
{
Enumerable.Range(1, iterations).Zip(errors, (it, val) => new Tuple <double, double>((double)it, val))
},
1,
iterations,
errors.Min(),
errors.Max()
);
DialogHost.CloseDialogCommand.Execute(null, tb);
});
});
// TODO: update GUI
}
/// <summary>
/// 是否存在重复的功能信息
/// </summary>
/// <param name="action">要判断的功能信息</param>
/// <param name="functions">已存在的功能信息集合</param>
/// <returns></returns>
private bool IsRepeatMethod(IdentityFunction action, List <IdentityFunction> functions)
{
var exist = functions.FirstOrDefault(x => x.Url == action.Url);
return(exist != null);
}
