Updated to work in TwinCAT version 4026 with 99% functionality

README.md

@@ -19,6 +19,9 @@ Compare to:
 * [CODESYS Matrix Library](https://us.store.codesys.com/matrix-library.html) ([docs](https://store.codesys.com/media/n98_media_assets/files/2111000003-D/4/Matrix%20Bibliothek_en.pdf))
 * [Siemens Library of General Functions](https://support.industry.siemens.com/cs/document/109479728/library-of-general-functions-(lgf)-for-simatic-step-7-(tia-portal)-and-simatic-s7-1200-s7-1500) ([docs](https://cache.industry.siemens.com/dl/files/728/109479728/att_1019474/v3/109479728_LGF_TIAV16_DOC_V5_0_0_en.pdf))
 
+## Known issues 
+TcMatrix for TwinCAT 4026 have disabled Method: GetSubMatrixAccessor and FillFromAt due to compiler issues. Otherwise this verision should have full functionallity. 
+
 ## Contents
 
 * [Installation](#twincat-3-installation)
@@ -333,4 +336,4 @@ Therefore, they are best used quickly then destroyed, all within the scope of a
 
 * [TcTransform](https://github.com/BurksEngineering/TcTransform):  Static memory 3x1, 3x3, and 4x4 matricies for common 3D coordinate system transformations
 * The unit tests within this project provide a large number of simple examples and usages
-* The ExternalStaticMatrix is one example of how to implement the StaticMatrix base class
+* The ExternalStaticMatrix is one example of how to implement the StaticMatrix base class

TcMatrix.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 16
-VisualStudioVersion = 16.0.31605.320
+# TcXaeShell Solution File, Format Version 11.00
+VisualStudioVersion = 15.0.34829.251
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{B1E792BE-AA5F-4E3C-8C82-674BF9C0715B}") = "TcMatrixTest", "TcMatrixTest\TcMatrixTest.tsproj", "{E21DD48F-97CD-43F0-AA17-4340951B180B}"
 EndProject
@@ -17,74 +17,84 @@ Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|TwinCAT CE7 (ARMV7) = Debug|TwinCAT CE7 (ARMV7)
 		Debug|TwinCAT OS (ARMT2) = Debug|TwinCAT OS (ARMT2)
+		Debug|TwinCAT OS (x64) = Debug|TwinCAT OS (x64)
 		Debug|TwinCAT RT (x64) = Debug|TwinCAT RT (x64)
 		Debug|TwinCAT RT (x86) = Debug|TwinCAT RT (x86)
 		Release|TwinCAT CE7 (ARMV7) = Release|TwinCAT CE7 (ARMV7)
 		Release|TwinCAT OS (ARMT2) = Release|TwinCAT OS (ARMT2)
+		Release|TwinCAT OS (x64) = Release|TwinCAT OS (x64)
 		Release|TwinCAT RT (x64) = Release|TwinCAT RT (x64)
 		Release|TwinCAT RT (x86) = Release|TwinCAT RT (x86)
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{E21DD48F-97CD-43F0-AA17-4340951B180B}.Debug|TwinCAT CE7 (ARMV7).ActiveCfg = Debug|TwinCAT CE7 (ARMV7)
 		{E21DD48F-97CD-43F0-AA17-4340951B180B}.Debug|TwinCAT CE7 (ARMV7).Build.0 = Debug|TwinCAT CE7 (ARMV7)
-		{E21DD48F-97CD-43F0-AA17-4340951B180B}.Debug|TwinCAT OS (ARMT2).ActiveCfg = Debug|TwinCAT OS (ARMT2)
-		{E21DD48F-97CD-43F0-AA17-4340951B180B}.Debug|TwinCAT OS (ARMT2).Build.0 = Debug|TwinCAT OS (ARMT2)
+		{E21DD48F-97CD-43F0-AA17-4340951B180B}.Debug|TwinCAT OS (ARMT2).ActiveCfg = Debug|TwinCAT OS (ARMV8-A)
+		{E21DD48F-97CD-43F0-AA17-4340951B180B}.Debug|TwinCAT OS (x64).ActiveCfg = Debug|TwinCAT OS (x64)
+		{E21DD48F-97CD-43F0-AA17-4340951B180B}.Debug|TwinCAT OS (x64).Build.0 = Debug|TwinCAT OS (x64)
 		{E21DD48F-97CD-43F0-AA17-4340951B180B}.Debug|TwinCAT RT (x64).ActiveCfg = Debug|TwinCAT RT (x64)
 		{E21DD48F-97CD-43F0-AA17-4340951B180B}.Debug|TwinCAT RT (x64).Build.0 = Debug|TwinCAT RT (x64)
 		{E21DD48F-97CD-43F0-AA17-4340951B180B}.Debug|TwinCAT RT (x86).ActiveCfg = Debug|TwinCAT RT (x86)
 		{E21DD48F-97CD-43F0-AA17-4340951B180B}.Debug|TwinCAT RT (x86).Build.0 = Debug|TwinCAT RT (x86)
 		{E21DD48F-97CD-43F0-AA17-4340951B180B}.Release|TwinCAT CE7 (ARMV7).ActiveCfg = Release|TwinCAT CE7 (ARMV7)
 		{E21DD48F-97CD-43F0-AA17-4340951B180B}.Release|TwinCAT CE7 (ARMV7).Build.0 = Release|TwinCAT CE7 (ARMV7)
-		{E21DD48F-97CD-43F0-AA17-4340951B180B}.Release|TwinCAT OS (ARMT2).ActiveCfg = Release|TwinCAT OS (ARMT2)
-		{E21DD48F-97CD-43F0-AA17-4340951B180B}.Release|TwinCAT OS (ARMT2).Build.0 = Release|TwinCAT OS (ARMT2)
+		{E21DD48F-97CD-43F0-AA17-4340951B180B}.Release|TwinCAT OS (ARMT2).ActiveCfg = Release|TwinCAT OS (ARMV8-A)
+		{E21DD48F-97CD-43F0-AA17-4340951B180B}.Release|TwinCAT OS (x64).ActiveCfg = Release|TwinCAT OS (x64)
+		{E21DD48F-97CD-43F0-AA17-4340951B180B}.Release|TwinCAT OS (x64).Build.0 = Release|TwinCAT OS (x64)
 		{E21DD48F-97CD-43F0-AA17-4340951B180B}.Release|TwinCAT RT (x64).ActiveCfg = Release|TwinCAT RT (x64)
 		{E21DD48F-97CD-43F0-AA17-4340951B180B}.Release|TwinCAT RT (x64).Build.0 = Release|TwinCAT RT (x64)
 		{E21DD48F-97CD-43F0-AA17-4340951B180B}.Release|TwinCAT RT (x86).ActiveCfg = Release|TwinCAT RT (x86)
 		{E21DD48F-97CD-43F0-AA17-4340951B180B}.Release|TwinCAT RT (x86).Build.0 = Release|TwinCAT RT (x86)
 		{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}.Debug|TwinCAT CE7 (ARMV7).ActiveCfg = Debug|TwinCAT CE7 (ARMV7)
 		{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}.Debug|TwinCAT CE7 (ARMV7).Build.0 = Debug|TwinCAT CE7 (ARMV7)
-		{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}.Debug|TwinCAT OS (ARMT2).ActiveCfg = Debug|TwinCAT OS (ARMT2)
-		{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}.Debug|TwinCAT OS (ARMT2).Build.0 = Debug|TwinCAT OS (ARMT2)
+		{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}.Debug|TwinCAT OS (ARMT2).ActiveCfg = Debug|TwinCAT OS (ARMV8-A)
+		{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}.Debug|TwinCAT OS (x64).ActiveCfg = Debug|TwinCAT OS (x64)
+		{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}.Debug|TwinCAT OS (x64).Build.0 = Debug|TwinCAT OS (x64)
 		{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}.Debug|TwinCAT RT (x64).ActiveCfg = Debug|TwinCAT RT (x64)
 		{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}.Debug|TwinCAT RT (x64).Build.0 = Debug|TwinCAT RT (x64)
 		{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}.Debug|TwinCAT RT (x86).ActiveCfg = Debug|TwinCAT RT (x86)
 		{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}.Debug|TwinCAT RT (x86).Build.0 = Debug|TwinCAT RT (x86)
 		{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}.Release|TwinCAT CE7 (ARMV7).ActiveCfg = Release|TwinCAT CE7 (ARMV7)
 		{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}.Release|TwinCAT CE7 (ARMV7).Build.0 = Release|TwinCAT CE7 (ARMV7)
-		{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}.Release|TwinCAT OS (ARMT2).ActiveCfg = Release|TwinCAT OS (ARMT2)
-		{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}.Release|TwinCAT OS (ARMT2).Build.0 = Release|TwinCAT OS (ARMT2)
+		{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}.Release|TwinCAT OS (ARMT2).ActiveCfg = Release|TwinCAT OS (ARMV8-A)
+		{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}.Release|TwinCAT OS (x64).ActiveCfg = Release|TwinCAT OS (x64)
+		{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}.Release|TwinCAT OS (x64).Build.0 = Release|TwinCAT OS (x64)
 		{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}.Release|TwinCAT RT (x64).ActiveCfg = Release|TwinCAT RT (x64)
 		{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}.Release|TwinCAT RT (x64).Build.0 = Release|TwinCAT RT (x64)
 		{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}.Release|TwinCAT RT (x86).ActiveCfg = Release|TwinCAT RT (x86)
 		{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}.Release|TwinCAT RT (x86).Build.0 = Release|TwinCAT RT (x86)
 		{D894BF7B-783C-4A82-8AF1-3D395565C311}.Debug|TwinCAT CE7 (ARMV7).ActiveCfg = Debug|TwinCAT CE7 (ARMV7)
 		{D894BF7B-783C-4A82-8AF1-3D395565C311}.Debug|TwinCAT CE7 (ARMV7).Build.0 = Debug|TwinCAT CE7 (ARMV7)
-		{D894BF7B-783C-4A82-8AF1-3D395565C311}.Debug|TwinCAT OS (ARMT2).ActiveCfg = Debug|TwinCAT OS (ARMT2)
-		{D894BF7B-783C-4A82-8AF1-3D395565C311}.Debug|TwinCAT OS (ARMT2).Build.0 = Debug|TwinCAT OS (ARMT2)
+		{D894BF7B-783C-4A82-8AF1-3D395565C311}.Debug|TwinCAT OS (ARMT2).ActiveCfg = Debug|TwinCAT OS (ARMV8-A)
+		{D894BF7B-783C-4A82-8AF1-3D395565C311}.Debug|TwinCAT OS (x64).ActiveCfg = Debug|TwinCAT OS (x64)
+		{D894BF7B-783C-4A82-8AF1-3D395565C311}.Debug|TwinCAT OS (x64).Build.0 = Debug|TwinCAT OS (x64)
 		{D894BF7B-783C-4A82-8AF1-3D395565C311}.Debug|TwinCAT RT (x64).ActiveCfg = Debug|TwinCAT RT (x64)
 		{D894BF7B-783C-4A82-8AF1-3D395565C311}.Debug|TwinCAT RT (x64).Build.0 = Debug|TwinCAT RT (x64)
 		{D894BF7B-783C-4A82-8AF1-3D395565C311}.Debug|TwinCAT RT (x86).ActiveCfg = Debug|TwinCAT RT (x86)
 		{D894BF7B-783C-4A82-8AF1-3D395565C311}.Debug|TwinCAT RT (x86).Build.0 = Debug|TwinCAT RT (x86)
 		{D894BF7B-783C-4A82-8AF1-3D395565C311}.Release|TwinCAT CE7 (ARMV7).ActiveCfg = Release|TwinCAT CE7 (ARMV7)
 		{D894BF7B-783C-4A82-8AF1-3D395565C311}.Release|TwinCAT CE7 (ARMV7).Build.0 = Release|TwinCAT CE7 (ARMV7)
-		{D894BF7B-783C-4A82-8AF1-3D395565C311}.Release|TwinCAT OS (ARMT2).ActiveCfg = Release|TwinCAT OS (ARMT2)
-		{D894BF7B-783C-4A82-8AF1-3D395565C311}.Release|TwinCAT OS (ARMT2).Build.0 = Release|TwinCAT OS (ARMT2)
+		{D894BF7B-783C-4A82-8AF1-3D395565C311}.Release|TwinCAT OS (ARMT2).ActiveCfg = Release|TwinCAT OS (ARMV8-A)
+		{D894BF7B-783C-4A82-8AF1-3D395565C311}.Release|TwinCAT OS (x64).ActiveCfg = Release|TwinCAT OS (x64)
+		{D894BF7B-783C-4A82-8AF1-3D395565C311}.Release|TwinCAT OS (x64).Build.0 = Release|TwinCAT OS (x64)
 		{D894BF7B-783C-4A82-8AF1-3D395565C311}.Release|TwinCAT RT (x64).ActiveCfg = Release|TwinCAT RT (x64)
 		{D894BF7B-783C-4A82-8AF1-3D395565C311}.Release|TwinCAT RT (x64).Build.0 = Release|TwinCAT RT (x64)
 		{D894BF7B-783C-4A82-8AF1-3D395565C311}.Release|TwinCAT RT (x86).ActiveCfg = Release|TwinCAT RT (x86)
 		{D894BF7B-783C-4A82-8AF1-3D395565C311}.Release|TwinCAT RT (x86).Build.0 = Release|TwinCAT RT (x86)
 		{C0F4BEF7-55D3-4B7E-A92A-8580425ECFB1}.Debug|TwinCAT CE7 (ARMV7).ActiveCfg = Debug|TwinCAT CE7 (ARMV7)
 		{C0F4BEF7-55D3-4B7E-A92A-8580425ECFB1}.Debug|TwinCAT CE7 (ARMV7).Build.0 = Debug|TwinCAT CE7 (ARMV7)
-		{C0F4BEF7-55D3-4B7E-A92A-8580425ECFB1}.Debug|TwinCAT OS (ARMT2).ActiveCfg = Debug|TwinCAT OS (ARMT2)
-		{C0F4BEF7-55D3-4B7E-A92A-8580425ECFB1}.Debug|TwinCAT OS (ARMT2).Build.0 = Debug|TwinCAT OS (ARMT2)
+		{C0F4BEF7-55D3-4B7E-A92A-8580425ECFB1}.Debug|TwinCAT OS (ARMT2).ActiveCfg = Debug|TwinCAT OS (ARMV8-A)
+		{C0F4BEF7-55D3-4B7E-A92A-8580425ECFB1}.Debug|TwinCAT OS (x64).ActiveCfg = Debug|TwinCAT OS (x64)
+		{C0F4BEF7-55D3-4B7E-A92A-8580425ECFB1}.Debug|TwinCAT OS (x64).Build.0 = Debug|TwinCAT OS (x64)
 		{C0F4BEF7-55D3-4B7E-A92A-8580425ECFB1}.Debug|TwinCAT RT (x64).ActiveCfg = Debug|TwinCAT RT (x64)
 		{C0F4BEF7-55D3-4B7E-A92A-8580425ECFB1}.Debug|TwinCAT RT (x64).Build.0 = Debug|TwinCAT RT (x64)
 		{C0F4BEF7-55D3-4B7E-A92A-8580425ECFB1}.Debug|TwinCAT RT (x86).ActiveCfg = Debug|TwinCAT RT (x86)
 		{C0F4BEF7-55D3-4B7E-A92A-8580425ECFB1}.Debug|TwinCAT RT (x86).Build.0 = Debug|TwinCAT RT (x86)
 		{C0F4BEF7-55D3-4B7E-A92A-8580425ECFB1}.Release|TwinCAT CE7 (ARMV7).ActiveCfg = Release|TwinCAT CE7 (ARMV7)
 		{C0F4BEF7-55D3-4B7E-A92A-8580425ECFB1}.Release|TwinCAT CE7 (ARMV7).Build.0 = Release|TwinCAT CE7 (ARMV7)
-		{C0F4BEF7-55D3-4B7E-A92A-8580425ECFB1}.Release|TwinCAT OS (ARMT2).ActiveCfg = Release|TwinCAT OS (ARMT2)
-		{C0F4BEF7-55D3-4B7E-A92A-8580425ECFB1}.Release|TwinCAT OS (ARMT2).Build.0 = Release|TwinCAT OS (ARMT2)
+		{C0F4BEF7-55D3-4B7E-A92A-8580425ECFB1}.Release|TwinCAT OS (ARMT2).ActiveCfg = Release|TwinCAT OS (ARMV8-A)
+		{C0F4BEF7-55D3-4B7E-A92A-8580425ECFB1}.Release|TwinCAT OS (x64).ActiveCfg = Release|TwinCAT OS (x64)
+		{C0F4BEF7-55D3-4B7E-A92A-8580425ECFB1}.Release|TwinCAT OS (x64).Build.0 = Release|TwinCAT OS (x64)
 		{C0F4BEF7-55D3-4B7E-A92A-8580425ECFB1}.Release|TwinCAT RT (x64).ActiveCfg = Release|TwinCAT RT (x64)
 		{C0F4BEF7-55D3-4B7E-A92A-8580425ECFB1}.Release|TwinCAT RT (x64).Build.0 = Release|TwinCAT RT (x64)
 		{C0F4BEF7-55D3-4B7E-A92A-8580425ECFB1}.Release|TwinCAT RT (x86).ActiveCfg = Release|TwinCAT RT (x86)

TcMatrix.~u

@@ -0,0 +1,4 @@
+GR
+DESKTOP-Q0CIJ49
+1148
+638720223980914128

TcMatrix/TcMatrix.tspproj

@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<TcSmProject xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://www.beckhoff.com/schemas/2012/07/TcSmProject" TcSmVersion="1.0" TcVersion="3.1.4024.22">
+<TcSmProject xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://www.beckhoff.com/schemas/2012/07/TcSmProject" TcSmVersion="1.0" TcVersion="3.1.4026.12">
 	<Project ProjectGUID="{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}" Target64Bit="true" ShowHideConfigurations="#x106">
 		<Plc>
 			<Project GUID="{C0F4BEF7-55D3-4B7E-A92A-8580425ECFB1}" Name="TcMatrix" PrjFilePath="TcMatrix\TcMatrix.plcproj" TmcFilePath="TcMatrix\TcMatrix.tmc" ReloadTmc="true" AmsPort="851" FileArchiveSettings="#x000e"/>

TcMatrix/TcMatrix.tspproj.bak

@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<TcSmProject xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://www.beckhoff.com/schemas/2012/07/TcSmProject" TcSmVersion="1.0" TcVersion="3.1.4024.20">
+<TcSmProject xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://www.beckhoff.com/schemas/2012/07/TcSmProject" TcSmVersion="1.0" TcVersion="3.1.4026.12">
 	<Project ProjectGUID="{85BE87FF-93A2-4C73-967A-8A4C6B2B95E6}" Target64Bit="true" ShowHideConfigurations="#x106">
 		<Plc>
 			<Project GUID="{C0F4BEF7-55D3-4B7E-A92A-8580425ECFB1}" Name="TcMatrix" PrjFilePath="TcMatrix\TcMatrix.plcproj" TmcFilePath="TcMatrix\TcMatrix.tmc" ReloadTmc="true" AmsPort="851" FileArchiveSettings="#x000e"/>

TcMatrix/TcMatrix/POUs/Functions/Matrix/Matrix_DeterminateSquare.TcPOU

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<TcPlcObject Version="1.1.0.1" ProductVersion="3.1.4024.9">
+<TcPlcObject Version="1.1.0.1" ProductVersion="3.1.4026.8">
   <POU Name="Matrix_DeterminateSquare" Id="{eb8e9d71-3179-0365-01f4-1666dd276213}" SpecialFunc="None">
     <Declaration><![CDATA[FUNCTION Matrix_DeterminateSquare : BOOL
 VAR_IN_OUT CONSTANT
@@ -30,7 +30,7 @@ ELSE
 	Sum := 0;
 	FOR Ci := 0 TO M.Cols-1 DO
 		Sign := ((UINT_TO_INT(Ci)+1) MOD 2)*2 -1;//even columns are positive, odd columns are negative
-		SubMatrix := M.GetShrunkMatrixAccessor(0,Ci);
+		M.GetShrunkMatrixAccessor(SubMatrix,0,Ci);
 		Sum := Sum + Sign * M.GetRC(0,Ci) * SubMatrix.GetDeterminant();//direct recursion is not accessible, but this should work
 	END_FOR
 	Res := Sum;

TcMatrix/TcMatrix/POUs/Matrix.TcPOU

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<TcPlcObject Version="1.1.0.1" ProductVersion="3.1.4024.9">
+<TcPlcObject Version="1.1.0.1" ProductVersion="3.1.4026.8">
   <POU Name="Matrix" Id="{37681762-a9e8-4dd1-b97b-ca342c51c659}" SpecialFunc="None">
     <Declaration><![CDATA[(*
 Matrix Base Class
@@ -254,7 +254,7 @@ VAR_INPUT
 END_VAR
 
 VAR
-	SubMatrix : SubMatrixAccessor;
+	//SubMatrix : SubMatrixAccessor;
 END_VAR]]></Declaration>
       <Implementation>
         <ST><![CDATA[IF M.IsEmpty THEN
@@ -277,8 +277,9 @@ IF CStart >= Cols THEN
 	RETURN;
 END_IF
 
-SubMatrix := GetSubMatrixAccessor(RStart,Rows-Rstart,CStart,Cols-CStart);
-SubMatrix.FillFrom(M);]]></ST>
+LogError('%s: Method not valid when running TwinCAT 4026 or higher'); //JSL
+//JSL SubMatrix := GetSubMatrixAccessor(RStart,Rows-Rstart,CStart,Cols-CStart);
+//JSL SubMatrix.FillFrom(M);]]></ST>
       </Implementation>
     </Method>
     <Method Name="FillTrapezoidal" Id="{f5fa3a45-37d2-08ef-0015-41ed1be8ef4b}" FolderPath="Modifiers\">
@@ -384,14 +385,15 @@ END_IF]]></ST>
       </Implementation>
     </Method>
     <Method Name="GetShrunkMatrixAccessor" Id="{a17e9bb7-2275-05d1-18ac-48a4fa653049}" FolderPath="Accessors\">
-      <Declaration><![CDATA[METHOD PUBLIC GetShrunkMatrixAccessor : ShrunkMatrixAccessor
+      <Declaration><![CDATA[METHOD PUBLIC GetShrunkMatrixAccessor
 VAR_INPUT
+	ShrunkMatrix : REFERENCE TO ShrunkMatrixAccessor;
 	Row : UINT;
 	Col : UINT;
 END_VAR
 ]]></Declaration>
       <Implementation>
-        <ST><![CDATA[GetShrunkMatrixAccessor.Init(THIS^,Row,Col);]]></ST>
+        <ST><![CDATA[ShrunkMatrix.Init(THIS^,Row,Col);]]></ST>
       </Implementation>
     </Method>
     <Method Name="GetSize" Id="{61a33f57-364a-4e27-9ba3-9caf9ad98b8f}" FolderPath="Getters\">
@@ -432,7 +434,7 @@ END_VAR]]></Declaration>
       </Implementation>
     </Method>
     <Method Name="GetSubMatrixAccessor" Id="{a144ad62-4358-0927-0b6b-026cfc4aa1d5}" FolderPath="Accessors\">
-      <Declaration><![CDATA[METHOD PUBLIC GetSubMatrixAccessor : SubMatrixAccessor
+      <Declaration><![CDATA[METHOD PUBLIC GetSubMatrixAccessor // : SubMatrixAccessor //JSL uncomment to avoid compile error
 VAR_INPUT
 	RowStart : UINT;
 	RowCount : UINT;
@@ -441,16 +443,18 @@ VAR_INPUT
 END_VAR
 ]]></Declaration>
       <Implementation>
-        <ST><![CDATA[GetSubMatrixAccessor.Init(THIS^,RowStart,RowCount,ColStart,ColCount);]]></ST>
+        <ST><![CDATA[LogError('%s: Method not valid when running TwinCAT 4026 or higher'); 
+//GetSubMatrixAccessor.Init(THIS^,RowStart,RowCount,ColStart,ColCount);]]></ST>
       </Implementation>
     </Method>
     <Method Name="GetTransposeMatrixAccessor" Id="{5dc6f40a-ecba-0ce5-0744-b541aad5ef72}" FolderPath="Accessors\">
-      <Declaration><![CDATA[METHOD PUBLIC GetTransposeMatrixAccessor : TransposeMatrixAccessor
+      <Declaration><![CDATA[METHOD PUBLIC GetTransposeMatrixAccessor
 VAR_INPUT
+	TransposeMatrix : REFERENCE TO TransposeMatrixAccessor; 
 END_VAR
 ]]></Declaration>
       <Implementation>
-        <ST><![CDATA[GetTransposeMatrixAccessor.Init(THIS^);]]></ST>
+        <ST><![CDATA[TransposeMatrix.Init(THIS^);]]></ST>
       </Implementation>
     </Method>
     <Method Name="GetVectorDotProduct" Id="{1658fad0-9792-0d13-3da1-4022c6478285}" FolderPath="Getters\">
@@ -1237,7 +1241,7 @@ END_VAR
     </LineIds>
     <LineIds Name="Matrix.FillFromAt">
       <LineId Id="89" Count="19" />
-      <LineId Id="7" Count="0" />
+      <LineId Id="110" Count="1" />
       <LineId Id="109" Count="0" />
     </LineIds>
     <LineIds Name="Matrix.FillTrapezoidal">
@@ -1283,7 +1287,7 @@ END_VAR
       <LineId Id="13" Count="0" />
     </LineIds>
     <LineIds Name="Matrix.GetShrunkMatrixAccessor">
-      <LineId Id="5" Count="0" />
+      <LineId Id="1" Count="0" />
     </LineIds>
     <LineIds Name="Matrix.GetSize">
       <LineId Id="5" Count="0" />
@@ -1297,10 +1301,10 @@ END_VAR
       <LineId Id="8" Count="0" />
     </LineIds>
     <LineIds Name="Matrix.GetSubMatrixAccessor">
-      <LineId Id="5" Count="0" />
+      <LineId Id="1" Count="1" />
     </LineIds>
     <LineIds Name="Matrix.GetTransposeMatrixAccessor">
-      <LineId Id="5" Count="0" />
+      <LineId Id="1" Count="0" />
     </LineIds>
     <LineIds Name="Matrix.GetVectorDotProduct">
       <LineId Id="5" Count="0" />

TcMatrix/TcMatrix/POUs/MatrixAccessors/ShrunkMatrixAccessor.TcPOU

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<TcPlcObject Version="1.1.0.1" ProductVersion="3.1.4024.9">
+<TcPlcObject Version="1.1.0.1" ProductVersion="3.1.4026.8">
   <POU Name="ShrunkMatrixAccessor" Id="{f0bfcb10-4309-028c-1405-e53184e0781f}" SpecialFunc="None">
     <Declaration><![CDATA[FUNCTION_BLOCK ShrunkMatrixAccessor EXTENDS MatrixAccessor
 VAR_INPUT

TcMatrix/TcMatrix/POUs/MatrixAccessors/SubMatrixAccessor.TcPOU

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<TcPlcObject Version="1.1.0.1" ProductVersion="3.1.4024.9">
+<TcPlcObject Version="1.1.0.1" ProductVersion="3.1.4026.8">
   <POU Name="SubMatrixAccessor" Id="{837da318-dc80-05cd-2c43-97c65ce7fbf9}" SpecialFunc="None">
     <Declaration><![CDATA[FUNCTION_BLOCK SubMatrixAccessor EXTENDS MatrixAccessor
 VAR_INPUT
@@ -14,7 +14,7 @@ VAR
 END_VAR
 ]]></Declaration>
     <Implementation>
-      <ST><![CDATA[]]></ST>
+      <ST><![CDATA[LogError('%s: Method not valid when running TwinCAT 4026 or higher');]]></ST>
     </Implementation>
     <Folder Name="Initializers" Id="{c4ff6fb8-d426-06a0-2de0-6e817d8e8673}" />
     <Folder Name="Overrides" Id="{db7b0a8d-ca29-0b51-32da-29239fddaa39}" />