Merge branch 'use-range-based-for' into 'master'

use range-based for

See merge request agnumpde/dune-fufem!49

dune/fufem/assemblers/functionalassembler.hh

@@ -30,7 +30,6 @@ class FunctionalAssembler
         template <class LocalFunctionalAssemblerType, class GlobalVectorType>
         void assemble(LocalFunctionalAssemblerType& localAssembler, GlobalVectorType& b, bool initializeVector=true) const
         {
-            typedef typename GridView::template Codim<0>::Iterator ElementIterator;
             typedef typename LocalFunctionalAssemblerType::LocalVector LocalVector;
             typedef typename TrialBasis::LinearCombination LinearCombination;
 
@@ -42,19 +41,17 @@ class FunctionalAssembler
                 b=0.0;
             }
 
-            ElementIterator it = tBasis_.getGridView().template begin<0>();
-            ElementIterator end = tBasis_.getGridView().template end<0>();
-            for (; it != end; ++it)
+            for (const auto& element : elements(tBasis_.getGridView()))
             {
                 // get shape functions
-                const typename TrialBasis::LocalFiniteElement& tFE = tBasis_.getLocalFiniteElement(*it);
+                const typename TrialBasis::LocalFiniteElement& tFE = tBasis_.getLocalFiniteElement(element);
 
                 LocalVector localB(tFE.localBasis().size());
-                localAssembler.assemble(*it, localB, tFE);
+                localAssembler.assemble(element, localB, tFE);
 
                 for (size_t i=0; i<tFE.localBasis().size(); ++i)
                 {
-                    int idx = tBasis_.index(*it, i);
+                    int idx = tBasis_.index(element, i);
                     const LinearCombination& constraints = tBasis_.constraints(idx);
                     bool isConstrained = tBasis_.isConstrained(idx);
                     if (isConstrained)