Merge branch 'rename-elasticenergyfunctional-to-integralfunctional' into 'master'

Explicitly request visitor from the ::Impl namespace

See merge request !73

dune/fufem/assemblers/basisinterpolationmatrixassembler.hh

@@ -484,7 +484,7 @@ static void assembleGlobalBasisTransferMatrix(MatrixType& matrix,
     fineLocalView.bind(fineElement);
 
     // visit all children of the coarse node and interpolate with the fine basis functions
-    Impl::LeafNodeInterpolationVisitor visitor( coarseLocalView, fineLocalView, geometryInFathers,
+    ::Impl::LeafNodeInterpolationVisitor visitor( coarseLocalView, fineLocalView, geometryInFathers,
                                                 processed, tolerance, matrixBackend, indices,
                                                 true /* = set indexSet */ );
 
@@ -534,7 +534,7 @@ static void assembleGlobalBasisTransferMatrix(MatrixType& matrix,
     fineLocalView.bind(fineElement);
 
     // visit all children of the coarse node and interpolate with the fine basis functions
-    Impl::LeafNodeInterpolationVisitor visitor( coarseLocalView, fineLocalView, geometryInFathers,
+    ::Impl::LeafNodeInterpolationVisitor visitor( coarseLocalView, fineLocalView, geometryInFathers,
                                                 processed, tolerance, matrixBackend, indices,
                                                 false /* = increase matrix entries */ );