revert r6278 and r6277 - if possible we should not keep the trunk...

revert r6278 and r6277 - if possible we should not keep the trunk dysfunctional for more than a few hours (I need alugrid)

[[Imported from SVN: r6280]]

dune/common/bigunsignedint.hh

@@ -40,8 +40,6 @@ namespace Dune
   template<int k>
   class bigunsignedint {
   public:
-    typedef bigunsignedint real_type;
-    typedef bigunsignedint field_type;
 
     // unsigned short is 16 bits wide, n is the number of digits needed
     enum { bits=std::numeric_limits<unsigned short>::digits, n=k/bits+(k%bits!=0),

dune/common/ftraits.hh

@@ -5,7 +5,7 @@
 #define DUNE_FTRAITS_HH
 
 #include <complex>
-#include "typetraits.hh"
+
 namespace Dune {
 
   /**
@@ -19,28 +19,11 @@ namespace Dune {
   struct FieldTraits
   {
     //! export the type representing the field
-    typedef typename T::field_type field_type;
+    typedef T field_type;
     //! export the type representing the real type of the field
-    typedef typename T::real_type real_type;
+    typedef T real_type;
   };
 
-#define ComposeFTraits(p,f,r)                          \
-  template<>                                           \
-  struct FieldTraits<p>{                               \
-    typedef remove_const<f>::type field_type; \
-    typedef remove_const<r>::type real_type;  \
-  };                                                   \
-
-
-  ComposeFTraits(double,double,double);
-  ComposeFTraits(float,float,float);
-  ComposeFTraits(int,int,int);
-  ComposeFTraits(long,long,long);
-  ComposeFTraits(std::size_t,std::size_t,std::size_t);
-  ComposeFTraits(bool,bool,bool);
-
-#undef ComposeFTraits
-
   template<class T>
   struct FieldTraits<const T>
   {