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Vidya fix

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This commit is contained in:
Miha Kralj
2024-09-30 09:21:52 -07:00
parent c35d46a962
commit 8a3c257038
1 changed files with 5 additions and 7 deletions
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lib/averages/Vidya.cs
+5 -7
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@@ -10,10 +10,10 @@ public class Vidya : AbstractBase
private readonly int _longPeriod; private readonly int _longPeriod;
private readonly double _alpha; private readonly double _alpha;
private double _lastVIDYA, _p_lastVIDYA; private double _lastVIDYA, _p_lastVIDYA;
private CircularBuffer? _shortBuffer; private readonly CircularBuffer? _shortBuffer;
private CircularBuffer? _longBuffer; private readonly CircularBuffer? _longBuffer;
public Vidya(int shortPeriod, int longPeriod = 0, double alpha = 0.2) : base() public Vidya(int shortPeriod, int longPeriod = 0, double alpha = 0.2)
{ {
if (shortPeriod < 1) if (shortPeriod < 1)
{ {
@@ -39,8 +39,6 @@ public class Vidya : AbstractBase
{ {
base.Init(); base.Init();
_lastVIDYA = 0; _lastVIDYA = 0;
_shortBuffer = new CircularBuffer(_shortPeriod);
_longBuffer = new CircularBuffer(_longPeriod);
} }
protected override void ManageState(bool isNew) protected override void ManageState(bool isNew)
@@ -60,7 +58,7 @@ public class Vidya : AbstractBase
protected override double Calculation() protected override double Calculation()
{ {
ManageState(Input.IsNew); ManageState(Input.IsNew);
_shortBuffer!.Add(Input.Value, Input.IsNew); _shortBuffer!.Add(Input.Value, Input.IsNew);
_longBuffer!.Add(Input.Value, Input.IsNew); _longBuffer!.Add(Input.Value, Input.IsNew);
@@ -84,7 +82,7 @@ public class Vidya : AbstractBase
} }
[MethodImpl(MethodImplOptions.AggressiveInlining)] [MethodImpl(MethodImplOptions.AggressiveInlining)]
private double CalculateStdDev(CircularBuffer buffer) private static double CalculateStdDev(CircularBuffer buffer)
{ {
double mean = buffer.Average(); double mean = buffer.Average();
double sumSquaredDiff = buffer.Sum(x => Math.Pow(x - mean, 2)); double sumSquaredDiff = buffer.Sum(x => Math.Pow(x - mean, 2));