Fix calculation of some functions

Author: hmG3

src/TALib.NETCore/TAFunc/TA_AvgDev.cs

@@ -19,10 +19,10 @@ public static RetCode AvgDev(double[] inReal, int startIdx, int endIdx, double[]
                 return RetCode.BadParam;
             }
 
-            int lookback = AvgDevLookback(optInTimePeriod);
-            if (startIdx < lookback)
+            int lookbackTotal = AvgDevLookback(optInTimePeriod);
+            if (startIdx < lookbackTotal)
             {
-                startIdx = lookback;
+                startIdx = lookbackTotal;
             }
 
             int today = startIdx;
@@ -72,10 +72,10 @@ public static RetCode AvgDev(decimal[] inReal, int startIdx, int endIdx, decimal
                 return RetCode.BadParam;
             }
 
-            int lookback = AvgDevLookback(optInTimePeriod);
-            if (startIdx < lookback)
+            int lookbackTotal = AvgDevLookback(optInTimePeriod);
+            if (startIdx < lookbackTotal)
             {
-                startIdx = lookback;
+                startIdx = lookbackTotal;
             }
 
             int today = startIdx;

src/TALib.NETCore/TAFunc/TA_Dema.cs

@@ -61,7 +61,8 @@ public static RetCode Dema(double[] inReal, int startIdx, int endIdx, double[] o
             int outIdx = default;
             while (outIdx < secondEMANbElement)
             {
-                outReal[outIdx++] = 2.0 * firstEMA[firstEMAIdx++] - secondEMA[outIdx];
+                outReal[outIdx] = 2.0 * firstEMA[firstEMAIdx++] - secondEMA[outIdx];
+                outIdx++;
             }
 
             outBegIdx = firstEMABegIdx + secondEMABegIdx;
@@ -129,7 +130,8 @@ public static RetCode Dema(decimal[] inReal, int startIdx, int endIdx, decimal[]
             int outIdx = default;
             while (outIdx < secondEMANbElement)
             {
-                outReal[outIdx++] = 2m * firstEMA[firstEMAIdx++] - secondEMA[outIdx];
+                outReal[outIdx] = 2m * firstEMA[firstEMAIdx++] - secondEMA[outIdx];
+                outIdx++;
             }
 
             outBegIdx = firstEMABegIdx + secondEMABegIdx;

src/TALib.NETCore/TAFunc/TA_HtPhasor.cs

@@ -103,15 +103,11 @@ public static RetCode HtPhasor(double[] inReal, int startIdx, int endIdx, double
                         outInPhase[outIdx++] = i1ForOddPrev3;
                     }
 
-                    DoHilbertOdd(hilbertVariables, "jI", i1ForEvenPrev3, hilbertIdx, adjustedPrevPeriod);
+                    DoHilbertOdd(hilbertVariables, "jI", i1ForOddPrev3, hilbertIdx, adjustedPrevPeriod);
                     DoHilbertOdd(hilbertVariables, "jQ", hilbertVariables["q1"], hilbertIdx, adjustedPrevPeriod);
-                    if (++hilbertIdx == 3)
-                    {
-                        hilbertIdx = 0;
-                    }
 
                     q2 = 0.2 * (hilbertVariables["q1"] + hilbertVariables["jI"]) + 0.8 * prevQ2;
-                    i2 = 0.2 * (i1ForEvenPrev3 - hilbertVariables["jQ"]) + 0.8 * prevI2;
+                    i2 = 0.2 * (i1ForOddPrev3 - hilbertVariables["jQ"]) + 0.8 * prevI2;
                     i1ForEvenPrev3 = i1ForEvenPrev2;
                     i1ForEvenPrev2 = hilbertVariables["detrender"];
                 }
@@ -255,15 +251,11 @@ public static RetCode HtPhasor(decimal[] inReal, int startIdx, int endIdx, decim
                         outInPhase[outIdx++] = i1ForOddPrev3;
                     }
 
-                    DoHilbertOdd(hilbertVariables, "jI", i1ForEvenPrev3, hilbertIdx, adjustedPrevPeriod);
+                    DoHilbertOdd(hilbertVariables, "jI", i1ForOddPrev3, hilbertIdx, adjustedPrevPeriod);
                     DoHilbertOdd(hilbertVariables, "jQ", hilbertVariables["q1"], hilbertIdx, adjustedPrevPeriod);
-                    if (++hilbertIdx == 3)
-                    {
-                        hilbertIdx = 0;
-                    }
 
                     q2 = 0.2m * (hilbertVariables["q1"] + hilbertVariables["jI"]) + 0.8m * prevQ2;
-                    i2 = 0.2m * (i1ForEvenPrev3 - hilbertVariables["jQ"]) + 0.8m * prevI2;
+                    i2 = 0.2m * (i1ForOddPrev3 - hilbertVariables["jQ"]) + 0.8m * prevI2;
                     i1ForEvenPrev3 = i1ForEvenPrev2;
                     i1ForEvenPrev2 = hilbertVariables["detrender"];
                 }

src/TALib.NETCore/TALib.NETCore.csproj

@@ -10,7 +10,7 @@
     <Copyright>TicTacTec LLC</Copyright>
     <PackageLicenseFile>LICENSE</PackageLicenseFile>
     <PackageProjectUrl>https://ta-lib.org</PackageProjectUrl>
-    <Version>0.4.0</Version>
+    <Version>0.4.1</Version>
     <RepositoryUrl>https://github.com/hmG3/TALib.NETCore</RepositoryUrl>
     <RepositoryType>git</RepositoryType>
     <PackageIcon>talib.png</PackageIcon>