Minor changes.

[[Imported from SVN: r330]]

fem/common/combinedoperator.hh

@@ -131,7 +131,7 @@ namespace Dune
     RangeFieldType _fB;
 
     //! for temporary use
-    Range *_tmp;
+    mutable Range *_tmp;
 
   private:
     //! Barton Nackman
@@ -167,7 +167,7 @@ namespace Dune
     }
 
     template <class GridIteratorType>
-    void applyLocal ( GridIteratorType &it , const Domain & arg , Range & dest )
+    void applyLocal ( GridIteratorType &it , const Domain & arg , Range & dest ) const
     {
       std::cerr << "Combined Operator::applyLocal: No Default Implemenation is provieded!\n";
       abort();
@@ -200,6 +200,7 @@ namespace Dune
     template <class GridIteratorType>
     void applyLocal ( GridIteratorType &it , const Domain & arg , Range & dest )  const
     {
+      std::cout << "Warning: CombinedOperator<ADD>::applyLocal not correct! \n";
       _b.applyLocal ( it , arg , dest );
       _a.applyLocal ( it , arg , dest );
 

fem/common/discretefunction.cc

@@ -267,6 +267,7 @@ namespace Dune
       file << d << " " << r << " ";
       file << n << " " << m << "\n";
       file << myId_ << " " << ftype << "\n";
+      //file << functionSpace_.continuous() << " " << functionSpace_.polynomOrder() << "\n";
       file.close();
     }
 

fem/common/quadrature.hh

@@ -72,7 +72,13 @@ namespace Dune {
   };
 
 
-
+  //***********************************************************************
+  //!
+  //! Note: The sum over all weigths for the quadrature is the volume of the
+  //! reference element, for example the sum over three quadrature point for
+  //! a triangle is 0.5 which is the volume on reference triangle
+  //!
+  //***********************************************************************
   template <class Domain, class RangeField, ElementType ElType, int polOrd>
   struct QuadraturePoints
   {