Added "max" and "min" constants to the primitive types which represent the

largest and smallest representable values.  Accessible directly and via pTraits.

src/OpenFOAM/primitives/Tensor2D/Tensor2D.H

@@ -74,6 +74,9 @@ public:
 
         static const Tensor2D zero;
         static const Tensor2D one;
+        static const Tensor2D max;
+        static const Tensor2D min;
+
 
     //- Component labeling enumeration
     enum components { XX, XY, YX, YY };