ENH: dimensionSet - added copy/clone functionality

src/OpenFOAM/dimensionSet/dimensionSet.C

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2014 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -78,6 +78,12 @@ Foam::dimensionSet::dimensionSet
 }
 
 
+Foam::dimensionSet::dimensionSet(const dimensionSet& ds)
+{
+    reset(ds);
+}
+
+
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
 bool Foam::dimensionSet::dimensionless() const

src/OpenFOAM/dimensionSet/dimensionSet.H

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2014 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -158,6 +158,7 @@ private:
 
                 label size_;
 
+
             // Private Member Functions
 
                 void push(const token&);
@@ -172,6 +173,7 @@ private:
 
                  tokeniser(Istream&);
 
+
             // Member Functions
 
                 Istream& stream()
@@ -190,7 +192,6 @@ private:
                 static bool valid(char c);
 
                 static label priority(const token& t);
-
         };
 
 
@@ -244,6 +245,15 @@ public:
             const scalar moles
         );
 
+        //- Copy constructor
+        dimensionSet(const dimensionSet& ds);
+
+        //- Construct and return a clone
+        autoPtr<dimensionSet> clone() const
+        {
+            return autoPtr<dimensionSet>(new dimensionSet(*this));
+        }
+
         //- Construct from Istream
         dimensionSet(Istream&);