Use the local constant SIZE instead of having '10' hardwired all over

the code.

Make SIZE protected instead of private so derived classes can use it.

[[Imported from SVN: r4164]]

disc/operators/localstiffness.hh

@@ -71,6 +71,8 @@ namespace Dune
     typedef typename G::ctype DT;
     typedef typename G::Traits::template Codim<0>::Entity Entity;
     enum {n=G::dimension};
+
+  protected:
     enum {SIZE=10};
 
   public:
@@ -159,7 +161,7 @@ namespace Dune
     //! set the current size of the local stiffness matrix
     void setcurrentsize (int s)
     {
-      if (s>=10)
+      if (s>=SIZE)
         DUNE_THROW(MathError,"LocalStiffness: increase SIZE");
       currentsize_ = s;
     }
@@ -173,9 +175,9 @@ namespace Dune
   protected:
     // assembled data
     int currentsize_;
-    MBlockType A[10][10];
-    VBlockType b[10];
-    BCBlockType bctype[10];
+    MBlockType A[SIZE][SIZE];
+    VBlockType b[SIZE];
+    BCBlockType bctype[SIZE];
   };