Use ranged-based for-loop

dune/elasticity/materials/adolcmaterial.hh

@@ -74,29 +74,24 @@ public:
     {
         typename LocalEnergy::ReturnType aEnergy(0.0);
 
-        const auto& gridView = this->basis().getGridView();
+        for (const auto& e : elements(this->basis().getGridView())) {
 
-        auto eIt = gridView.template begin<0>();
-        auto eEndIt = gridView.template end<0>();
-
-        for (; eIt != eEndIt; ++eIt) {
-
-            const auto& lfe = this->basis().getLocalFiniteElement(*eIt);
+            const auto& lfe = this->basis().getLocalFiniteElement(e);
 
             // interpolate by local finite element to get the local coefficients
             typename LocalEnergy::CoefficientVectorType localCoeff(lfe.localBasis().size());
-            LocalWrapper fiLocal(*displace,*eIt,0);
+            LocalWrapper fiLocal(*displace, e, 0);
 
             std::vector<typename LocalWrapper::RangeType> interpolationValues;
-            for (int i=0; i<dim; i++) {
+            for (int i=0; i < dim; i++) {
                 fiLocal.setIndex(i);
 
-                lfe.localInterpolation().interpolate(fiLocal,interpolationValues);
-                for (size_t j=0; j<lfe.localBasis().size(); j++)
+                lfe.localInterpolation().interpolate(fiLocal, interpolationValues);
+                for (size_t j=0; j< lfe.localBasis().size(); j++)
                     localCoeff[j][i] = interpolationValues[j];
             }
 
-            aEnergy += localEnergy_->energy(*eIt,lfe, localCoeff);
+            aEnergy += localEnergy_->energy(e,lfe, localCoeff);
         }
 
         ReturnType energy;