fix code generation for dynamic matrix types

source/RobotAPI/libraries/aron/codegeneration/codegenerator/codewriter/cpp/generator/ndarray/Matrix.cpp

@@ -69,7 +69,11 @@ namespace armarx::aron::codegenerator::cpp::generator
     std::pair<std::vector<std::pair<std::string, std::string>>, bool>
     Matrix::getCtorInitializers(const std::string& name) const
     {
-        if (type.getDefaultValue() == aron::type::matrix::default_value::IDENTITY)
+        if (type.getCols() == -1 || type.getRows() == -1)
+        {
+            return {{}, false};
+        }
+        else if (type.getDefaultValue() == aron::type::matrix::default_value::IDENTITY)
         {
             return {{{name, getInstantiatedCppTypename() + "::Identity()"}}, true};
         }
@@ -94,7 +98,12 @@ namespace armarx::aron::codegenerator::cpp::generator
     {
         CppBlockPtr block_if_data = std::make_shared<CppBlock>();
 
-        if (type.getDefaultValue() == aron::type::matrix::default_value::IDENTITY)
+        if (type.getCols() == -1 || type.getRows() == -1)
+        {
+            block_if_data->addLine(cppAccessor + " = " + getInstantiatedCppTypename() + "();");
+        }
+
+        else if (type.getDefaultValue() == aron::type::matrix::default_value::IDENTITY)
         {
             block_if_data->addLine(cppAccessor + " = " + getInstantiatedCppTypename() + "::Identity();");
         }