first fixes after merge

Author: henrij22

ikarus/finiteelements/mechanics/enhancedassumedstrains.hh

@@ -64,7 +64,7 @@ public:
   using LocalView   = typename Traits::LocalView;
   using Geometry    = typename Traits::Geometry;
   using GridView    = typename Traits::GridView;
-  using Pre         = EnhancedAssumedStrainsPre;
+  using Pre         = EnhancedAssumedStrainsPre<ES>;
 
   static constexpr auto enhancedStrain = ES;
 

ikarus/finiteelements/mechanics/linearelastic.hh

@@ -236,21 +236,10 @@ public:
       return RTWrapperType<RT>{};
     if constexpr (isSameResultType<RT, ResultTypes::linearStress> or
                   isSameResultType<RT, ResultTypes::linearStressFull>) {
-      const auto eps     = strainFunction(req);
-      auto epsVoigt      = eps.evaluate(local, Dune::on(Dune::DerivativeDirections::gridElement));
-      decltype(auto) mat = [&]() -> decltype(auto) {
-        if constexpr (isSameResultType<RT, ResultTypes::linearStressFull> and requires { mat_.underlying(); })
-          return mat_.underlying();
-        else
-          return mat_;
-      }();
-      return RTWrapper{mat.template stresses<StrainTags::linear>(enlargeIfReduced<Material>(epsVoigt))};
-      // 
       const auto rFunction = resultFunction<RT>();
       const auto eps       = strainFunction(req);
       auto epsVoigt        = eps.evaluate(local, Dune::on(Dune::DerivativeDirections::gridElement));
       return rFunction(epsVoigt);
-      // TODO 
     }
   }
 

tests/src/checkfebyautodiff.hh

@@ -35,7 +35,8 @@ auto checkFESByAutoDiffImpl(const GridView& gridView, const BasisHandler& basis,
 
     fe.bind(element);
 
-    fe.updateState(req, d); // here d = correction vector (DeltaD)
+    if constexpr (requires { fe.updateStateImpl(req, d); })
+      fe.updateStateImpl(req, d); // here d = correction vector (DeltaD)
     req.insertGlobalSolution(d).insertParameter(lambda);
 
     const std::string feClassName = Dune::className(fe);