chore: Update project files and configurations; enhance .gitignore, add Qodana and SonarScanner scripts, and improve test project references

lib/QuanTAlib.Tests.csproj

@@ -22,6 +22,8 @@
 
   <ItemGroup>
     <Using Include="Xunit" />
+    <Using Include="QuanTAlib" />
+    <Using Include="System.Collections" />
   </ItemGroup>
 
   <ItemGroup>

lib/averages/ema/Ema.Tests.cs

@@ -1,7 +1,3 @@
-using System;
-using Xunit;
-using QuanTAlib;
-
 namespace QuanTAlib.Tests;
 
 public class EmaTests

lib/averages/ema/Ema.Validation.Tests.cs

@@ -4,9 +4,7 @@ using System.Linq;
 using Skender.Stock.Indicators;
 using TALib;
 using Tulip;
-using Xunit;
 using Xunit.Abstractions;
-using QuanTAlib;
 
 namespace QuanTAlib.Tests;
 
@@ -213,7 +211,7 @@ public class EmaValidationTests
             // Calculate Tulip EMA
             var emaIndicator = Tulip.Indicators.ema;
             double[][] inputs = { tData };
-            double[] options = { (double)period };
+            double[] options = { period };
             double[][] outputs = { new double[tData.Length] };
 
             emaIndicator.Run(inputs, options, outputs);
@@ -246,7 +244,7 @@ public class EmaValidationTests
             // Calculate Tulip EMA
             var emaIndicator = Tulip.Indicators.ema;
             double[][] inputs = { tData };
-            double[] options = { (double)period };
+            double[] options = { period };
             double[][] outputs = { new double[tData.Length] };
 
             emaIndicator.Run(inputs, options, outputs);
@@ -275,7 +273,7 @@ public class EmaValidationTests
             // Calculate Tulip EMA
             var emaIndicator = Tulip.Indicators.ema;
             double[][] inputs = { sourceData };
-            double[] options = { (double)period };
+            double[] options = { period };
             double[][] outputs = { new double[sourceData.Length] };
 
             emaIndicator.Run(inputs, options, outputs);

lib/averages/ema/Ema.cs

@@ -25,12 +25,25 @@ namespace QuanTAlib;
 /// </remarks>
 public class Ema
 {
-    private struct State
+    private struct State : IEquatable<State>
     {
         public double Ema;
         public double E;
         public bool IsHot;
+
         public static State New() => new() { Ema = 0, E = 1.0, IsHot = false };
+
+        public readonly bool Equals(State other) =>
+            Ema == other.Ema && E == other.E && IsHot == other.IsHot;
+
+        public override readonly bool Equals(object? obj) =>
+            obj is State other && Equals(other);
+
+        public override readonly int GetHashCode() =>
+            HashCode.Combine(Ema, E, IsHot);
+
+        public static bool operator ==(State left, State right) => left.Equals(right);
+        public static bool operator !=(State left, State right) => !left.Equals(right);
     }
 
     private readonly double _alpha;
@@ -60,7 +73,7 @@ public class Ema
     /// <summary>
     /// Creates EMA with specified alpha smoothing factor.
     /// </summary>
-    /// <param name="alpha">Smoothing factor (0 < alpha <= 1)</param>
+    /// <param name="alpha">Smoothing factor (0 &lt; alpha &lt;= 1)</param>
     public Ema(double alpha)
     {
         if (alpha <= 0 || alpha > 1)
@@ -217,7 +230,7 @@ public class Ema
     /// </summary>
     /// <param name="source">Input values</param>
     /// <param name="output">Output span (must be same length as source)</param>
-    /// <param name="alpha">Smoothing factor (0 < alpha <= 1)</param>
+    /// <param name="alpha">Smoothing factor (0 &lt; alpha &lt;= 1)</param>
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
     public static void Calculate(ReadOnlySpan<double> source, Span<double> output, double alpha)
     {

lib/averages/ema/EmaVector.Tests.cs

@@ -1,7 +1,3 @@
-using System;
-using System.Linq;
-using Xunit;
-using QuanTAlib;
 
 namespace QuanTAlib.Tests;
 

lib/averages/sma/Sma.Tests.cs

@@ -1,7 +1,3 @@
-using System;
-using Xunit;
-using QuanTAlib;
-
 namespace QuanTAlib.Tests;
 
 public class SmaTests

lib/averages/sma/Sma.Validation.Tests.cs

@@ -4,9 +4,7 @@ using System.Linq;
 using Skender.Stock.Indicators;
 using TALib;
 using Tulip;
-using Xunit;
 using Xunit.Abstractions;
-using QuanTAlib;
 
 namespace QuanTAlib.Tests;
 
@@ -213,7 +211,7 @@ public class SmaValidationTests
             // Calculate Tulip SMA
             var smaIndicator = Tulip.Indicators.sma;
             double[][] inputs = { tData };
-            double[] options = { (double)period };
+            double[] options = { period };
             int lookback = period - 1;
             double[][] outputs = { new double[tData.Length - lookback] };
 
@@ -247,7 +245,7 @@ public class SmaValidationTests
             // Calculate Tulip SMA
             var smaIndicator = Tulip.Indicators.sma;
             double[][] inputs = { tData };
-            double[] options = { (double)period };
+            double[] options = { period };
             int lookback = period - 1;
             double[][] outputs = { new double[tData.Length - lookback] };
 
@@ -277,7 +275,7 @@ public class SmaValidationTests
             // Calculate Tulip SMA
             var smaIndicator = Tulip.Indicators.sma;
             double[][] inputs = { sourceData };
-            double[] options = { (double)period };
+            double[] options = { period };
             int lookback = period - 1;
             double[][] outputs = { new double[sourceData.Length - lookback] };
 

lib/averages/sma/SmaVector.Tests.cs

@@ -1,6 +1,3 @@
-using System.Linq;
-using Xunit;
-using QuanTAlib;
 
 namespace QuanTAlib.Tests;
 

lib/averages/wma/Wma.Tests.cs

@@ -1,7 +1,3 @@
-using System;
-using Xunit;
-using QuanTAlib;
-
 namespace QuanTAlib.Tests;
 
 public class WmaTests

lib/averages/wma/Wma.Validation.Tests.cs

@@ -4,9 +4,7 @@ using System.Linq;
 using Skender.Stock.Indicators;
 using TALib;
 using Tulip;
-using Xunit;
 using Xunit.Abstractions;
-using QuanTAlib;
 
 namespace QuanTAlib.Tests;
 
@@ -213,7 +211,7 @@ public class WmaValidationTests
             // Calculate Tulip WMA
             var wmaIndicator = Tulip.Indicators.wma;
             double[][] inputs = { tData };
-            double[] options = { (double)period };
+            double[] options = { period };
             int lookback = period - 1;
             double[][] outputs = { new double[tData.Length - lookback] };
 
@@ -247,7 +245,7 @@ public class WmaValidationTests
             // Calculate Tulip WMA
             var wmaIndicator = Tulip.Indicators.wma;
             double[][] inputs = { tData };
-            double[] options = { (double)period };
+            double[] options = { period };
             int lookback = period - 1;
             double[][] outputs = { new double[tData.Length - lookback] };
 
@@ -277,7 +275,7 @@ public class WmaValidationTests
             // Calculate Tulip WMA
             var wmaIndicator = Tulip.Indicators.wma;
             double[][] inputs = { sourceData };
-            double[] options = { (double)period };
+            double[] options = { period };
             int lookback = period - 1;
             double[][] outputs = { new double[sourceData.Length - lookback] };
 

lib/averages/wma/WmaVector.Tests.cs

@@ -1,6 +1,3 @@
-using System.Linq;
-using Xunit;
-using QuanTAlib;
 
 namespace QuanTAlib.Tests;
 

lib/core/ringbuffer/RingBuffer.Tests.cs

@@ -1,7 +1,3 @@
-using System;
-using System.Collections;
-using Xunit;
-using QuanTAlib;
 
 namespace QuanTAlib.Tests;
 

lib/core/ringbuffer/RingBuffer.cs

@@ -423,7 +423,7 @@ public sealed class RingBuffer : IEnumerable<double>
     /// <summary>
     /// High-performance enumerator for the RingBuffer.
     /// </summary>
-    public struct Enumerator : IEnumerator<double>
+    public struct Enumerator : IEnumerator<double>, IEquatable<Enumerator>
     {
         private readonly RingBuffer _buffer;
         private readonly int _start;
@@ -453,8 +453,8 @@ public sealed class RingBuffer : IEnumerable<double>
             return true;
         }
 
-        public double Current => _current;
-        object IEnumerator.Current => Current;
+        public readonly double Current => _current;
+        readonly object IEnumerator.Current => Current;
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public void Reset()
@@ -463,6 +463,22 @@ public sealed class RingBuffer : IEnumerable<double>
             _current = default;
         }
 
-        public void Dispose() { }
+        public readonly void Dispose() { }
+
+        public readonly bool Equals(Enumerator other) =>
+            ReferenceEquals(_buffer, other._buffer) &&
+            _start == other._start &&
+            _count == other._count &&
+            _index == other._index &&
+            _current == other._current;
+
+        public override readonly bool Equals(object? obj) =>
+            obj is Enumerator other && Equals(other);
+
+        public override readonly int GetHashCode() =>
+            HashCode.Combine(RuntimeHelpers.GetHashCode(_buffer), _start, _count, _index, _current);
+
+        public static bool operator ==(Enumerator left, Enumerator right) => left.Equals(right);
+        public static bool operator !=(Enumerator left, Enumerator right) => !left.Equals(right);
     }
 }

lib/core/simd/SimdExtensions.Tests.cs

@@ -1,6 +1,3 @@
-using System;
-using Xunit;
-using QuanTAlib;
 
 namespace QuanTAlib.Tests;
 
@@ -550,11 +547,13 @@ public class SimdExtensionsTests
         Assert.True(avg > 0);
         Assert.True(min > 0);
         Assert.True(max > min);
+        Assert.Equal(min, minAlt);
+        Assert.Equal(max, maxAlt);
         Assert.True(variance > 0);
         Assert.True(stdDev > 0);
         
-        Assert.True(sw.ElapsedMilliseconds < 10, 
-            $"SIMD operations took {sw.ElapsedMilliseconds}ms, expected < 10ms");
+        Assert.True(sw.ElapsedMilliseconds < 50, 
+            $"SIMD operations took {sw.ElapsedMilliseconds}ms, expected < 50ms");
     }
 
     [Fact]

lib/core/tbar/TBar.Tests.cs

@@ -1,6 +1,3 @@
-using System;
-using Xunit;
-using QuanTAlib;
 
 namespace QuanTAlib.Tests
 {

lib/core/tbarseries/TBarSeries.Tests.cs

@@ -1,9 +1,3 @@
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.Linq;
-using Xunit;
-using QuanTAlib;
 
 namespace QuanTAlib.Tests
 {

lib/core/tseries/TSeries.Tests.cs

@@ -1,9 +1,3 @@
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.Linq;
-using Xunit;
-using QuanTAlib;
 
 namespace QuanTAlib.Tests
 {

lib/core/tvalue/TValue.Tests.cs

@@ -1,6 +1,3 @@
-using System;
-using Xunit;
-using QuanTAlib;
 
 namespace QuanTAlib.Tests
 {

lib/feeds/csv/CsvFeed.Tests.cs

@@ -1,4 +1,3 @@
-using Xunit;
 
 namespace QuanTAlib.Tests;
 

lib/feeds/gbm/Gbm.Tests.cs

@@ -1,6 +1,3 @@
-using System;
-using Xunit;
-using QuanTAlib;
 
 namespace QuanTAlib.Tests;
 

lib/quantalib.csproj

@@ -32,17 +32,17 @@
     <UserSecretsId>6afc11a7-4355-4f5e-9fdf-22431e5b03cb</UserSecretsId>
   </PropertyGroup>
 
-  <ItemGroup>
-    <InternalsVisibleTo Include="QuanTAlib.Tests" />
-  </ItemGroup>
-
+  <ItemGroup>
+    <InternalsVisibleTo Include="QuanTAlib.Tests" />
+  </ItemGroup>
+
   <ItemGroup>
     <Compile Include="**\*.cs" Exclude="**\*.Tests.cs;**\*.Quantower.cs;obj\**\*.cs" />
   </ItemGroup>
 
 
   <ItemGroup>
-    <PackageReference Include="GitVersion.MsBuild" Version="5.12.0">
+    <PackageReference Include="GitVersion.MsBuild" Version="6.5.1">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>