public PowerLogObserver(ILogger <PowerLogObserver> logger, IOptions <Settings> options, IMinerLogListener logListener)
{
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
logListener = logListener ?? throw new ArgumentNullException(nameof(logListener));
logListener.LogMessageReceived += ReceiveLogMessage;
_settings = options.Value;
_movingStatistics = new MovingStatistics(_settings.StatHistorySize);
}
public void StartSession(float ppi, int sensitivity)
{
PPI = ppi;
var sampleWindow = sensitivity * 60; // 60 to 1200ms, at 60 frames/sec, = 1 sec to 20 seconds
blink = new MovingStatistics(sampleWindow);
squint = new MovingStatistics(sampleWindow);
gazeIn = new MovingStatistics(sampleWindow);
gazeOut = new MovingStatistics(sampleWindow);
smile = new MovingStatistics(sampleWindow);
frown = new MovingStatistics(sampleWindow);
headSpeed = new MovingStatistics(sampleWindow);
eyeDwell = new MovingStatistics(sampleWindow);
headTilt = new MovingStatistics(sampleWindow);
}
public void NegativeInfinityTest()
{
var ms = new MovingStatistics(3);
ms.Push(1.0);
ms.Push(2.0);
Assert.That(ms.Minimum, Is.Not.EqualTo(double.NegativeInfinity));
Assert.That(ms.Maximum, Is.Not.EqualTo(double.NegativeInfinity));
Assert.That(ms.Mean, Is.Not.EqualTo(double.NegativeInfinity));
Assert.That(ms.StandardDeviation, Is.Not.EqualTo(double.NegativeInfinity));
ms.Push(double.NegativeInfinity);
Assert.That(ms.Minimum, Is.EqualTo(double.NegativeInfinity));
Assert.That(ms.Maximum, Is.Not.EqualTo(double.NegativeInfinity));
Assert.That(ms.Mean, Is.EqualTo(double.NegativeInfinity));
Assert.That(ms.StandardDeviation, Is.NaN);
ms.Push(1.0);
Assert.That(ms.Minimum, Is.EqualTo(double.NegativeInfinity));
Assert.That(ms.Maximum, Is.Not.EqualTo(double.NegativeInfinity));
Assert.That(ms.Mean, Is.EqualTo(double.NegativeInfinity));
Assert.That(ms.StandardDeviation, Is.NaN);
ms.Push(double.NegativeInfinity);
Assert.That(ms.Minimum, Is.EqualTo(double.NegativeInfinity));
Assert.That(ms.Maximum, Is.Not.EqualTo(double.NegativeInfinity));
Assert.That(ms.Mean, Is.EqualTo(double.NegativeInfinity));
Assert.That(ms.StandardDeviation, Is.NaN);
ms.Push(2.0);
Assert.That(ms.Minimum, Is.EqualTo(double.NegativeInfinity));
Assert.That(ms.Maximum, Is.Not.EqualTo(double.NegativeInfinity));
Assert.That(ms.Mean, Is.EqualTo(double.NegativeInfinity));
Assert.That(ms.StandardDeviation, Is.NaN);
ms.Push(3.0);
Assert.That(ms.Minimum, Is.EqualTo(double.NegativeInfinity));
Assert.That(ms.Maximum, Is.Not.EqualTo(double.NegativeInfinity));
Assert.That(ms.Mean, Is.EqualTo(double.NegativeInfinity));
Assert.That(ms.StandardDeviation, Is.NaN);
ms.Push(4.0);
Assert.That(ms.Minimum, Is.Not.EqualTo(double.NegativeInfinity));
Assert.That(ms.Maximum, Is.Not.EqualTo(double.NegativeInfinity));
Assert.That(ms.Mean, Is.Not.EqualTo(double.NegativeInfinity));
Assert.That(ms.StandardDeviation, Is.Not.NaN);
}
public void NaNTest()
{
var ms = new MovingStatistics(3);
Assert.That(ms.Minimum, Is.NaN);
Assert.That(ms.Maximum, Is.NaN);
Assert.That(ms.Mean, Is.NaN);
Assert.That(ms.StandardDeviation, Is.NaN);
ms.Push(1.0);
Assert.That(ms.Minimum, Is.Not.NaN);
Assert.That(ms.Maximum, Is.Not.NaN);
Assert.That(ms.Mean, Is.Not.NaN);
Assert.That(ms.StandardDeviation, Is.NaN);
ms.Push(2.0);
Assert.That(ms.Minimum, Is.Not.NaN);
Assert.That(ms.Maximum, Is.Not.NaN);
Assert.That(ms.Mean, Is.Not.NaN);
Assert.That(ms.StandardDeviation, Is.Not.NaN);
ms.Push(double.NaN);
Assert.That(ms.Minimum, Is.NaN);
Assert.That(ms.Maximum, Is.NaN);
Assert.That(ms.Mean, Is.NaN);
Assert.That(ms.StandardDeviation, Is.NaN);
ms.Push(1.0);
Assert.That(ms.Minimum, Is.NaN);
Assert.That(ms.Maximum, Is.NaN);
Assert.That(ms.Mean, Is.NaN);
Assert.That(ms.StandardDeviation, Is.NaN);
ms.Push(2.0);
Assert.That(ms.Minimum, Is.NaN);
Assert.That(ms.Maximum, Is.NaN);
Assert.That(ms.Mean, Is.NaN);
Assert.That(ms.StandardDeviation, Is.NaN);
ms.Push(3.0);
Assert.That(ms.Minimum, Is.Not.NaN);
Assert.That(ms.Maximum, Is.Not.NaN);
Assert.That(ms.Mean, Is.Not.NaN);
Assert.That(ms.StandardDeviation, Is.Not.NaN);
}
public void StabilityTest()
{
var data = new double[1000000];
Normal.Samples(new SystemRandomSource(0), data, 50, 10);
var ms = new MovingStatistics(5, data);
ms.PushRange(new[] { 11.11, 22.22, 33.33, 44.44, 55.55 });
Assert.AreEqual(5, ms.Count);
Assert.AreEqual(11.11, ms.Minimum);
Assert.AreEqual(55.55, ms.Maximum);
Assert.AreEqual(33.33, ms.Mean, 1e-11);
Assert.AreEqual(308.58025, ms.Variance, 1e-10);
Assert.AreEqual(17.5664524022354, ms.StandardDeviation, 1e-11);
Assert.AreEqual(246.8642, ms.PopulationVariance, 1e-10);
Assert.AreEqual(15.7119126779651, ms.PopulationStandardDeviation, 1e-10);
}
