Reworked KAMA & Charts

.github/workflows/build.yml

@@ -1,73 +0,0 @@
-name: Build
-on:
-  workflow_dispatch:
-
-jobs:
-  build:
-    runs-on: windows-latest
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v2
-      with:
-        fetch-depth: 0
-
-    - name: Install .NET 7.0
-      uses: actions/setup-dotnet@v1
-      with:
-        dotnet-version: |
-          7.0.x
-          5.0.x
-        include-prerelease: true
-
-    - name: Install JDK11 for Sonar Scanner
-      uses: actions/setup-java@v1
-      with:
-        java-version: 1.11
-
-    - name: Install JetBrains
-      run: dotnet tool install JetBrains.dotCover.GlobalTool --global
-    - name: Install Sonar Scanner
-      run: dotnet tool install dotnet-sonarscanner --global
-    - name: Install dotnet-coverage
-      run: dotnet tool install dotnet-coverage --global
-    - name: Install CodeCov
-      run: dotnet tool install --global Codecov.Tool
-
-    - name: Sonar start
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
-      #run: dotnet sonarscanner begin /o:"mihakralj" /k:"mihakralj_QuanTAlib" /d:sonar.login="${{ secrets.SONAR_TOKEN }}" /d:sonar.host.url="https://sonarcloud.io" /d:sonar.cs.vscoveragexml.reportsPaths="./coverage.xml"
-      run: dotnet sonarscanner begin /o:"mihakralj" /k:"mihakralj_QuanTAlib"
-        /d:sonar.login="${{ secrets.SONAR_TOKEN }}"
-        /d:sonar.host.url="https://sonarcloud.io"
-        /d:sonar.cs.dotcover.reportsPaths=./coveragereport.html
-
-    - name: Build Core DLL
-      run: dotnet build ./Source/QuanTAlib.csproj --verbosity normal --configuration Release --nologo
-    - name: Build Quantower DLL
-      run: dotnet build ./Quantower/Quantower.csproj --verbosity normal --configuration Release --nologo
-
-    - name: dotnet Test
-      run: dotnet test ./Tests/Tests.csproj --verbosity normal --configuration Release --nologo
-    - name: DotCover Test XML
-      run: dotnet dotcover test ./Tests/Tests.csproj --verbosity normal --framework net7.0 --dcReportType=DetailedXML --dcoutput=./coveragereport.xml
-    - name: DotCover Test HTML
-      run: dotnet dotcover test ./Tests/Tests.csproj --verbosity normal --framework net7.0 --dcReportType=HTML --dcoutput=./coveragereport.html
-#    - name: dotnet-coverage
-#      run: dotnet-coverage collect 'dotnet test' -f xml -o './coverage.xml'
-
-    - name: Sonar reporter
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
-      run: dotnet sonarscanner end /d:sonar.login="${{ secrets.SONAR_TOKEN }}"
-
-    - name: CodeCov run
-      run: codecov -f ./coveragereport.xml -v -t ${{ secrets.CODECOV_TOKEN }}
-
-    - name: Codacy coverage reporter
-      uses: codacy/codacy-coverage-reporter-action@v1
-      with:
-        project-token: ${{ secrets.CODACY_PROJECT_TOKEN }}
-        coverage-reports: ./coveragereport.xml

.github/workflows/main_automation.yml

@@ -114,7 +114,7 @@ jobs:
       run: dotnet nuget push '.\Source\bin\Release\QuanTAlib.*.nupkg'
           --api-key ${{ secrets.GITHUB_TOKEN }}
           --source https://nuget.pkg.github.com/mihakralj/index.json
-          --skip-duplicate
+#          --skip-duplicate
 
     - name: Push package to nuget.org
       run: dotnet nuget push '.\Source\bin\Release\QuanTAlib.*.nupkg'
@@ -123,74 +123,7 @@ jobs:
           --skip-duplicate
 
 
-#  build:
-#    runs-on: windows-latest
-#    steps:
-#     - name: Checkout
-#       uses: actions/checkout@v2
-#       with:
-#         fetch-depth: 0
 
-#     - name: Install .NET 7.0
-#       uses: actions/setup-dotnet@v1
-#       with:
-#         dotnet-version: |
-#           7.0.x
-#           5.0.x
-#         include-prerelease: true
-
-#     - name: Install JDK11 for Sonar Scanner
-#       uses: actions/setup-java@v1
-#       with:
-#         java-version: 1.11
-
-#     - name: Install JetBrains
-#       run: dotnet tool install JetBrains.dotCover.GlobalTool --global
-#     - name: Install Sonar Scanner
-#       run: dotnet tool install dotnet-sonarscanner --global
-#     - name: Install dotnet-coverage
-#       run: dotnet tool install dotnet-coverage --global
-#     - name: Install CodeCov
-#       run: dotnet tool install --global Codecov.Tool
-
-#     - name: Sonar start
-#       env:
-#         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-#         SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
-#       #run: dotnet sonarscanner begin /o:"mihakralj" /k:"mihakralj_QuanTAlib" /d:sonar.login="${{ secrets.SONAR_TOKEN }}" /d:sonar.host.url="https://sonarcloud.io" /d:sonar.cs.vscoveragexml.reportsPaths="./coverage.xml"
-#       run: dotnet sonarscanner begin /o:"mihakralj" /k:"mihakralj_QuanTAlib"
-#         /d:sonar.login="${{ secrets.SONAR_TOKEN }}"
-#         /d:sonar.host.url="https://sonarcloud.io"
-#         /d:sonar.cs.dotcover.reportsPaths=./coveragereport.html
-
-#     - name: Build Core DLL
-#       run: dotnet build ./Source/QuanTAlib.csproj --verbosity normal --configuration Release --nologo
-#     - name: Build Quantower DLL
-#       run: dotnet build ./Quantower/Quantower.csproj --verbosity normal --configuration Release --nologo
-
-#     - name: dotnet Test
-#       run: dotnet test ./Tests/Tests.csproj --verbosity normal --configuration Release --nologo
-#     - name: DotCover Test XML
-#       run: dotnet dotcover test ./Tests/Tests.csproj --verbosity normal --framework net7.0 --dcReportType=DetailedXML --dcoutput=./coveragereport.xml
-#     - name: DotCover Test HTML
-#       run: dotnet dotcover test ./Tests/Tests.csproj --verbosity normal --framework net7.0 --dcReportType=HTML --dcoutput=./coveragereport.html
-# #    - name: dotnet-coverage
-# #      run: dotnet-coverage collect 'dotnet test' -f xml -o './coverage.xml'
-
-#     - name: Sonar reporter
-#       env:
-#         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-#         SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
-#       run: dotnet sonarscanner end /d:sonar.login="${{ secrets.SONAR_TOKEN }}"
-
-#     - name: CodeCov run
-#       run: codecov -f ./coveragereport.xml -v -t ${{ secrets.CODECOV_TOKEN }}
-
-#     - name: Codacy coverage reporter
-#       uses: codacy/codacy-coverage-reporter-action@v1
-#       with:
-#         project-token: ${{ secrets.CODACY_PROJECT_TOKEN }}
-#         coverage-reports: ./coveragereport.xml
 
 #    - name: Zip DLLs
 #      uses: thedoctor0/zip-release@master

.github/workflows/publish.yml

@@ -1,54 +0,0 @@
-name: Publish
-on:
-  workflow_dispatch:
-
-jobs:
-  publish:
-    runs-on: windows-latest
-    needs: build
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v2
-      with:
-        fetch-depth: 0
-
-    - name: Install .NET 7.0
-      uses: actions/setup-dotnet@v1
-      with:
-        dotnet-version: |
-          7.0.x
-          5.0.x
-        include-prerelease: true
-
-    - name: Build Core DLL
-      run: dotnet build ./Source/QuanTAlib.csproj --verbosity normal --configuration Release --nologo
-    - name: Build Quantower DLL
-      run: dotnet build ./Quantower/Quantower.csproj --verbosity normal --configuration Release --nologo
-
-    - name: Zip DLLs
-      uses: thedoctor0/zip-release@master
-      with:
-        type: 'zip'
-        directory: \Quantower\Settings\Scripts\Indicators\QuanTAlib
-        filename: QL_Quantower.zip
-
-    - name: Release
-      uses: marvinpinto/action-automatic-releases@latest
-      with:
-        repo_token: "${{ secrets.GITHUB_TOKEN }}"
-        automatic_release_tag: "latest"
-        prerelease: true
-        title: "Pre-release Build"
-        files: /Quantower/Settings/Scripts/Indicators/QuanTAlib/*.zip
-
-    - name: Push package to nuget.org
-      run: dotnet nuget push '.\Source\bin\Release\QuanTAlib.*.nupkg'
-          --api-key ${{ secrets.NUGET_DEPLOY_KEY_QUANTLIB }}
-          --source https://api.nuget.org/v3/index.json
-          --skip-duplicate
-
-    - name: Push package to github
-      run: dotnet nuget push '.\Source\bin\Release\QuanTAlib.*.nupkg'
-          --api-key ${{ secrets.GITHUB_TOKEN }}
-          --source https://nuget.pkg.github.com/mihakralj/index.json
-          --skip-duplicate

Quantower/Indicators/ATR_chart.cs

@@ -11,7 +11,7 @@ public class ATR_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private TBars bars;
 
     ///////
     private ATR_Series indicator;
@@ -27,9 +27,9 @@ public class ATR_chart : Indicator
 
     protected override void OnInit()
     {
-        this.ShortName =
-            "ATR (" + this.Period + ")";
-        this.indicator = new(source: bars, period: this.Period, useNaN: false);
+        this.ShortName = "ATR (" + this.Period + ")";
+        this.bars = new();
+this.indicator = new(source: bars, period: this.Period, useNaN: false);
     }
 
 	protected override void OnUpdate(UpdateArgs args)

Quantower/Indicators/BIAS_chart.cs

@@ -16,7 +16,7 @@ public class BIAS_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private TBars bars;
 
     ///////
     private BIAS_Series indicator;
@@ -32,10 +32,9 @@ public class BIAS_chart : Indicator
 
     protected override void OnInit()
     {
-        this.ShortName =
-            "BIAS (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
-        this.indicator =
-            new(source: bars.Select(this.DataSource), period: this.Period);
+        this.ShortName = "BIAS (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
+        this.bars = new();
+			this.indicator = new(source: bars.Select(this.DataSource), period: this.Period);
     }
 
     protected override void OnUpdate(UpdateArgs args)

Quantower/Indicators/DEMA_chart.cs

@@ -16,7 +16,7 @@ public class DEMA_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private TBars bars ;
 
     ///////
     private DEMA_Series indicator;
@@ -34,7 +34,8 @@ public class DEMA_chart : Indicator
     {
         this.ShortName =
             "DEMA (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
-        this.indicator = new(source: bars.Select(this.DataSource),
+        this.bars = new();
+				this.indicator = new(source: bars.Select(this.DataSource),
                              period: this.Period, useNaN: false);
     }
 

Quantower/Indicators/EMA_chart.cs

@@ -16,7 +16,7 @@ public class EMA_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private  TBars bars;
 
     ///////
     private EMA_Series indicator;
@@ -32,10 +32,9 @@ public class EMA_chart : Indicator
 
     protected override void OnInit()
     {
-        this.ShortName =
-            "EMA (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
-        this.indicator = new(source: bars.Select(this.DataSource),
-                             period: this.Period, useNaN: false);
+        this.ShortName = "EMA (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
+        this.bars = new();
+				this.indicator = new(source: bars.Select(this.DataSource), period: this.Period, useNaN: false);
     }
 
     protected override void OnUpdate(UpdateArgs args)

Quantower/Indicators/ENTP_chart.cs

@@ -16,7 +16,7 @@ public class ENTP_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private  TBars bars;
 
     ///////
     private ENTP_Series indicator;
@@ -32,10 +32,9 @@ public class ENTP_chart : Indicator
 
     protected override void OnInit()
     {
-        this.ShortName =
-            "ENTP (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
-        this.indicator = new(source: bars.Select(this.DataSource),
-                             period: this.Period, useNaN: true);
+        this.ShortName = "ENTP (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
+        this.bars = new();
+				this.indicator = new(source: bars.Select(this.DataSource), period: this.Period, useNaN: true);
     }
 
     protected override void OnUpdate(UpdateArgs args)

Quantower/Indicators/HEMA_chart.cs

@@ -16,7 +16,7 @@ public class HEMA_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private  TBars bars;
 
     ///////
     private HEMA_Series indicator;
@@ -34,7 +34,8 @@ public class HEMA_chart : Indicator
     {
         this.ShortName =
             "HEMA (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
-        this.indicator = new(source: bars.Select(this.DataSource),
+        this.bars = new();
+				this.indicator = new(source: bars.Select(this.DataSource),
                              period: this.Period, useNaN: false);
     }
 

Quantower/Indicators/HMA_chart.cs

@@ -17,7 +17,7 @@ public class HMA_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private TBars bars;
 
     ///////
     private HMA_Series indicator;
@@ -35,7 +35,8 @@ public class HMA_chart : Indicator
     {
         this.ShortName =
             "HMA (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
-        this.indicator = new(source: bars.Select(this.DataSource),
+		    this.bars = new();
+				this.indicator = new(source: bars.Select(this.DataSource),
                              period: this.Period, useNaN: false);
         Debug.WriteLine("Send to debug output.");
 }

Quantower/Indicators/JMA_chart.cs

@@ -16,7 +16,7 @@ public class JMA_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private TBars bars ;
 
     ///////
     private JMA_Series indicator;
@@ -34,7 +34,8 @@ public class JMA_chart : Indicator
     {
         this.ShortName =
             "JMA (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
-        this.indicator = new(source: bars.Select(this.DataSource),
+        this.bars = new();
+				this.indicator = new(source: bars.Select(this.DataSource),
                              period: this.Period, useNaN: false);
     }
     protected override void OnUpdate(UpdateArgs args)

Quantower/Indicators/KAMA_chart.cs

@@ -9,15 +9,19 @@ public class KAMA_chart : Indicator
 
     [InputParameter("Smoothing period", 0, 1, 999, 1, 1)]
     private int Period = 10;
+    [InputParameter("Fastest EMA", 1, 1, 999, 1, 1)]
+    private int Fast = 2;
+    [InputParameter("Slowest EMA", 2, 1, 999, 1, 1)]
+    private int Slow = 30;
 
-    [InputParameter("Data source", 1, variants: new object[]
+  [InputParameter("Data source", 3, variants: new object[]
       { "Open", 0, "High", 1,  "Low", 2,  "Close", 3,  "HL2", 4,  "OC2", 5,
       "OHL3", 6,  "HLC3", 7,  "OHLC4", 8,  "Weighted (HLCC4)", 9 })]
     private int DataSource = 3;
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private TBars bars;
 
     ///////
     private KAMA_Series indicator;
@@ -33,10 +37,9 @@ public class KAMA_chart : Indicator
 
     protected override void OnInit()
     {
-        this.ShortName =
-            "KAMA (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
-        this.indicator = new(source: bars.Select(this.DataSource), period: this.Period, useNaN: false);
-        Debug.WriteLine($"KAMA on-init. indicator.Count: {indicator.Count}");
+        this.ShortName = "KAMA (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ":" + this.Fast + ":" + this.Slow + ")";
+      this.bars = new();
+			this.indicator = new(source: bars.Select(this.DataSource), period: this.Period, fast: this.Fast, slow: this.Slow, useNaN: false);
 		}
 
     protected override void OnUpdate(UpdateArgs args)
@@ -46,7 +49,8 @@ public class KAMA_chart : Indicator
         this.bars.Add(this.Time(), this.GetPrice(PriceType.Open),
                       this.GetPrice(PriceType.High), this.GetPrice(PriceType.Low),
                       this.GetPrice(PriceType.Close), this.GetPrice(PriceType.Volume), update);
-        double result = this.indicator[this.indicator.Count - 1].v;
+        double result = this.indicator;
         this.SetValue(result);
+		Debug.WriteLine($"{this.indicator[0].v}");
     }
 }

Quantower/Indicators/KURT_chart.cs

@@ -16,7 +16,7 @@ public class KURT_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private  TBars bars;
 
     ///////
     private KURT_Series indicator;
@@ -34,7 +34,8 @@ public class KURT_chart : Indicator
     {
         this.ShortName =
             "KURT (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
-        this.indicator = new(source: bars.Select(this.DataSource),
+        this.bars = new();
+				this.indicator = new(source: bars.Select(this.DataSource),
                              period: this.Period, useNaN: true);
     }
 

Quantower/Indicators/MAD_chart.cs

@@ -16,7 +16,7 @@ public class MAD_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private TBars bars;
 
     ///////
     private MAD_Series indicator;
@@ -34,7 +34,8 @@ public class MAD_chart : Indicator
     {
         this.ShortName =
             "MAD (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
-        this.indicator = new(source: bars.Select(this.DataSource),
+        this.bars = new();
+				this.indicator = new(source: bars.Select(this.DataSource),
                              period: this.Period, useNaN: true);
     }
 

Quantower/Indicators/MAPE_chart.cs

@@ -16,7 +16,7 @@ public class MAPE_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private TBars bars;
 
     ///////dotnet
     private MAPE_Series indicator;
@@ -32,7 +32,8 @@ public class MAPE_chart : Indicator
 
     protected override void OnInit()
     {
-        this.ShortName =
+	    this.bars = new(); 
+	    this.ShortName =
             "MAPE (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
         this.indicator = new(source: bars.Select(this.DataSource),
                              period: this.Period, useNaN: true);

Quantower/Indicators/MAX_chart.cs

@@ -16,7 +16,7 @@ public class MAX_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private TBars bars;
 
     ///////
     private MAX_Series indicator;
@@ -32,7 +32,8 @@ public class MAX_chart : Indicator
 
     protected override void OnInit()
     {
-        this.ShortName =
+	    this.bars = new(); 
+	    this.ShortName =
             "MAX (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
         this.indicator =
             new(source: bars.Select(this.DataSource), period: this.Period);

Quantower/Indicators/MED_chart.cs

@@ -16,7 +16,7 @@ public class MED_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private TBars bars;
 
     ///////
     private MED_Series indicator;
@@ -32,7 +32,8 @@ public class MED_chart : Indicator
 
     protected override void OnInit()
     {
-        this.ShortName =
+	    this.bars = new(); 
+	    this.ShortName =
             "MED (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
         this.indicator =
             new(source: bars.Select(this.DataSource), period: this.Period);

Quantower/Indicators/MIN_chart.cs

@@ -16,7 +16,7 @@ public class MIN_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private TBars bars;
 
     ///////
     private MIN_Series indicator;
@@ -32,7 +32,8 @@ public class MIN_chart : Indicator
 
     protected override void OnInit()
     {
-        this.ShortName =
+	    this.bars = new();
+	    this.ShortName =
             "MIN (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
         this.indicator =
             new(source: bars.Select(this.DataSource), period: this.Period);

Quantower/Indicators/MSE_chart.cs

@@ -16,7 +16,7 @@ public class MSE_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private TBars bars;
 
     ///////
     private MSE_Series indicator;
@@ -32,7 +32,8 @@ public class MSE_chart : Indicator
 
     protected override void OnInit()
     {
-        this.ShortName =
+	    this.bars = new(); 
+	    this.ShortName =
             "MSE (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
         this.indicator = new(source: bars.Select(this.DataSource),
                              period: this.Period, useNaN: true);

Quantower/Indicators/PSDEV_chart.cs

@@ -16,7 +16,7 @@ public class PSDEV_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private TBars bars;
 
     ///////dotnet
     private PSDEV_Series indicator;
@@ -32,7 +32,8 @@ public class PSDEV_chart : Indicator
 
     protected override void OnInit()
     {
-        this.ShortName =
+	    this.bars = new(); 
+	    this.ShortName =
             "PSDEV (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
         this.indicator = new(source: bars.Select(this.DataSource),
                              period: this.Period, useNaN: true);

Quantower/Indicators/PVAR_chart.cs

@@ -16,7 +16,7 @@ public class PVAR_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private TBars bars;
 
     ///////dotnet
     private PVAR_Series indicator;
@@ -32,7 +32,8 @@ public class PVAR_chart : Indicator
 
     protected override void OnInit()
     {
-        this.ShortName =
+	    this.bars = new(); 
+	    this.ShortName =
             "PVAR (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
         this.indicator = new(source: bars.Select(this.DataSource),
                              period: this.Period, useNaN: true);

Quantower/Indicators/RMA_chart.cs

@@ -16,7 +16,7 @@ public class RMA_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private TBars bars;
 
     ///////
     private RMA_Series indicator;
@@ -32,7 +32,8 @@ public class RMA_chart : Indicator
 
     protected override void OnInit()
     {
-        this.ShortName =
+	    this.bars = new(); 
+	    this.ShortName =
             "RMA (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
         this.indicator = new(source: bars.Select(this.DataSource),
                              period: this.Period, useNaN: false);

Quantower/Indicators/SDEV_chart.cs

@@ -16,7 +16,7 @@ public class SDEV_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private TBars bars;
 
     ///////dotnet
     private SDEV_Series indicator;
@@ -32,7 +32,8 @@ public class SDEV_chart : Indicator
 
     protected override void OnInit()
     {
-        this.ShortName =
+	    this.bars = new(); 
+	    this.ShortName =
             "SDEV (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
         this.indicator = new(source: bars.Select(this.DataSource),
                              period: this.Period, useNaN: true);

Quantower/Indicators/SMAPE_chart.cs

@@ -16,7 +16,7 @@ public class SMAPE_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private TBars bars;
 
     ///////dotnet
     private SMAPE_Series indicator;
@@ -32,7 +32,8 @@ public class SMAPE_chart : Indicator
 
     protected override void OnInit()
     {
-        this.ShortName =
+	    this.bars = new(); 
+	    this.ShortName =
             "SMAPE (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
         this.indicator = new(source: bars.Select(this.DataSource),
                              period: this.Period, useNaN: true);

Quantower/Indicators/SMA_chart.cs

@@ -16,7 +16,7 @@ public class SMA_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private TBars bars;
 
     ///////
     private SMA_Series indicator;
@@ -32,7 +32,8 @@ public class SMA_chart : Indicator
 
     protected override void OnInit()
     {
-        this.ShortName =
+	    this.bars = new(); 
+	    this.ShortName =
             "SMA (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
         this.indicator = new(source: bars.Select(this.DataSource),
                              period: this.Period, useNaN: false);

Quantower/Indicators/TEMA_chart.cs

@@ -16,7 +16,7 @@ public class TEMA_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private TBars bars;
 
     ///////
     private TEMA_Series indicator;
@@ -32,7 +32,8 @@ public class TEMA_chart : Indicator
 
     protected override void OnInit()
     {
-        this.ShortName =
+	    this.bars = new(); 
+	    this.ShortName =
             "TEMA (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
         this.indicator = new(source: bars.Select(this.DataSource),
                              period: this.Period, useNaN: false);

Quantower/Indicators/VAR_chart.cs

@@ -16,7 +16,7 @@ public class VAR_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private TBars bars;
 
     ///////dotnet
     private VAR_Series indicator;
@@ -32,7 +32,8 @@ public class VAR_chart : Indicator
 
     protected override void OnInit()
     {
-        this.ShortName =
+	    this.bars = new(); 
+	    this.ShortName =
             "VAR (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
         this.indicator = new(source: bars.Select(this.DataSource),
                              period: this.Period, useNaN: true);

Quantower/Indicators/WMAPE_chart.cs

@@ -25,7 +25,7 @@ public class WMAPE_chart : Indicator
 
     #endregion Parameters
 
-    private readonly QuanTAlib.TBars bars = new();
+    private TBars bars;
 
     ///////dotnet
     private QuanTAlib.WMAPE_Series indicator;
@@ -41,8 +41,9 @@ public class WMAPE_chart : Indicator
 
     protected override void OnInit()
     {
-        this.ShortName = "WMAPE (" + QuanTAlib.TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
-        this.indicator = new(source: this.bars.Select(this.DataSource), period: this.Period, useNaN: true);
+	    this.bars = new(); 
+	    this.ShortName = "WMAPE (" + QuanTAlib.TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
+      this.indicator = new(source: this.bars.Select(this.DataSource), period: this.Period, useNaN: true);
     }
 	protected override void OnUpdate(UpdateArgs args)
     {

Quantower/Indicators/WMA_chart.cs

@@ -16,7 +16,7 @@ public class WMA_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private TBars bars;
 
     ///////
     private WMA_Series indicator;
@@ -32,7 +32,8 @@ public class WMA_chart : Indicator
 
     protected override void OnInit()
     {
-        this.ShortName =
+	    this.bars = new(); 
+	    this.ShortName =
             "WMA (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
         this.indicator = new(source: bars.Select(this.DataSource),
                              period: this.Period, useNaN: false);

Quantower/Indicators/ZLEMA_chart.cs

@@ -16,7 +16,7 @@ public class ZLEMA_chart : Indicator
 
     #endregion Parameters
 
-    private readonly TBars bars = new();
+    private TBars bars;
 
     ///////
     private ZLEMA_Series indicator;
@@ -32,10 +32,9 @@ public class ZLEMA_chart : Indicator
 
     protected override void OnInit()
     {
-        this.ShortName =
-            "ZLEMA (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
-        this.indicator = new(source: bars.Select(this.DataSource),
-                             period: this.Period, useNaN: false);
+	    this.bars = new(); 
+	    this.ShortName = "ZLEMA (" + TBars.SelectStr(this.DataSource) + ", " + this.Period + ")";
+	    this.indicator = new(source: bars.Select(this.DataSource), period: this.Period, useNaN: false);
     }
   protected override void OnUpdate(UpdateArgs args)
     {

Quantower/Quantower.csproj

@@ -9,11 +9,12 @@
     <AssemblyName>Quantower_QTAlib</AssemblyName>
     <RootNamespace>QuanTAlib</RootNamespace>
     <DebugType>embedded</DebugType>
+    <LangVersion>preview</LangVersion>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <Nullable>disable</Nullable>
     <SignAssembly>False</SignAssembly>
   </PropertyGroup>
-  
+
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
     <Optimize>True</Optimize>
     <WarningLevel>3</WarningLevel>
@@ -31,7 +32,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <Compile Include="..\Source\**\*.cs" Exclude="..\Source\obj\**" />
+    <Compile Include="..\Source\**\*.cs" Exclude="..\Source\obj\**" >
+      <Link>QuanTAlib\%(RecursiveDir)%(Filename)%(Extension)</Link>
+    </Compile>
   </ItemGroup>
 
   <Target Name="CopyCustomContent" AfterTargets="AfterBuild">

Source/Indicators/KAMA_Series.cs

@@ -26,28 +26,38 @@ Remark:
 public class KAMA_Series : Single_TSeries_Indicator
 {
   private static double _scFast, _scSlow;
+  private readonly System.Collections.Generic.List<double> _buffer = new();
+  private double _lastkama = double.NaN;
+  private double _lastlastkama;
+
   public KAMA_Series(TSeries source, int period, int fast = 2, int slow= 30, bool useNaN = false) : base(source, period, useNaN) {
     _scFast = 2.0 / (fast+1);
     _scSlow = 2.0 / (slow+1);
     if (base._data.Count > 0) { base.Add(base._data); }
   }
   public override void Add((System.DateTime t, double v) TValue, bool update) {
-      //if (update) { } else { }
-      double _change = Math.Abs( TValue.v - _data[(this.Count>_p)?this.Count-_p : 0].v);
-      double _sumpv = 0;
-      double _kama = TValue.v;
-      for (int i = (this.Count-_p+1>0)?this.Count-_p+1:0; i <= this.Count; i++) {
-        _sumpv += Math.Abs(_data[(i>0)?i:0].v- _data[(i>1)?i-1:0].v);
-      }
-      if (_sumpv != 0) {
-        double _er = _change/_sumpv;
-        double _sc = (_er * (_scFast - _scSlow)) + _scSlow;
-        double _prevKama = (this.Count > 0) ? this[this.Count-1].v : TValue.v;
-        if (double.IsNaN(_prevKama)) { _prevKama = TValue.v; }
-        _kama = (_prevKama + (_sc * _sc * (TValue.v - _prevKama)));
-      }
+    if (update) {
+      _buffer[_buffer.Count - 1] = TValue.v;
+      this._lastkama = this._lastlastkama;
+    }
+    else { 
+	    _buffer.Add(TValue.v); 
+    }
+    if (_buffer.Count>_p+1) { _buffer.RemoveAt(0); }
+    double _kama = TValue.v;
+    double _change = Math.Abs( _buffer[_buffer.Count-1] - _buffer[(_buffer.Count>_p+1)?1:0]);
+    double _sumpv = 0;
+    for (int i = 1; i < _buffer.Count; i++) {
+      _sumpv += Math.Abs(_buffer[(_buffer.Count>0)?i:0]- _buffer[i-1]);
+    }
+    double _er = (_sumpv==0)?0:_change/_sumpv;
+    double _sc = (_er * (_scFast - _scSlow)) + _scSlow;
+    if (_buffer.Count==1) { _lastkama = _buffer[0]; }
 
-      var result = (TValue.t, (this.Count < this._p - 1 && this._NaN) ? double.NaN : _kama);
-      base.Add(result, update);
+    _kama = (_lastkama + (_sc * _sc * (TValue.v - _lastkama)));
+    _lastlastkama = _lastkama;
+    _lastkama = _kama;
+    var result = (TValue.t, (this.Count < this._p - 1 && this._NaN) ? double.NaN : _kama);
+    base.Add(result, update);
   }
 }