Tensor: Added inv() member function

src/OpenFOAM/primitives/Tensor/Tensor.H

@@ -158,9 +158,12 @@ public:
             inline Vector<Cmpt> z() const;
             inline Vector<Cmpt> vectorComponent(const direction) const;
 
-        //- Transpose
+        //- Return transpose
         inline Tensor<Cmpt> T() const;
 
+        //- Return inverse
+        inline Tensor<Cmpt> inv() const;
+
 
     // Member Operators
 

src/OpenFOAM/primitives/Tensor/TensorI.H

@@ -587,6 +587,13 @@ inline Tensor<Cmpt> inv(const Tensor<Cmpt>& t)
 }
 
 
+template<class Cmpt>
+inline Tensor<Cmpt> Tensor<Cmpt>::inv() const
+{
+    return Foam::inv(*this);
+}
+
+
 //- Return the 1st invariant of a tensor
 template<class Cmpt>
 inline Cmpt invariantI(const Tensor<Cmpt>& t)