Class optimization

lib/averages/Sma.cs

@@ -1,4 +1,4 @@
-using System;
+using System.Runtime.CompilerServices;
 namespace QuanTAlib;
 
 /// <summary>
@@ -27,9 +27,8 @@ namespace QuanTAlib;
 
 public class Sma : AbstractBase
 {
-    // inherited _index
-    // inherited _value
     private readonly CircularBuffer _buffer;
+    private readonly int _period;
 
     /// <param name="period">The number of data points used in the SMA calculation.</param>
     /// <exception cref="ArgumentOutOfRangeException">Thrown when period is less than 1.</exception>
@@ -37,9 +36,9 @@ public class Sma : AbstractBase
     {
         if (period < 1)
         {
-            throw new ArgumentOutOfRangeException(nameof(period), "Period must be greater than or equal to 1.");
+            throw new System.ArgumentOutOfRangeException(nameof(period), "Period must be greater than or equal to 1.");
         }
-        WarmupPeriod = period;
+        _period = period;
         _buffer = new CircularBuffer(period);
         Name = "Sma";
         WarmupPeriod = period;
@@ -48,12 +47,13 @@ public class Sma : AbstractBase
 
     /// <param name="source">The data source object that publishes updates.</param>
     /// <param name="period">The number of data points used in the SMA calculation.</param>
-    public Sma(object source, int period) : this(period: period)
+    public Sma(object source, int period) : this(period)
     {
         var pubEvent = source.GetType().GetEvent("Pub");
         pubEvent?.AddEventHandler(source, new ValueSignal(Sub));
     }
 
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
     protected override void ManageState(bool isNew)
     {
         if (isNew)
@@ -69,12 +69,10 @@ public class Sma : AbstractBase
     /// <returns>The calculated SMA value.</returns>
     protected override double Calculation()
     {
-        double result;
         ManageState(IsNew);
         _buffer.Add(Input.Value, Input.IsNew);
-        result = _buffer.Average();
 
         IsHot = _index >= WarmupPeriod;
-        return result;
+        return _buffer.Average();
     }
 }