Added Save as alias to Print (for MJ's benefit)

SpMat.h

@@ -99,6 +99,9 @@ public:
   unsigned int NZ() const {return(_nz);}
 
   NEWMAT::ReturnMatrix AsNEWMAT() const;
+  void Save(const std::string&   fname,
+            unsigned int         precision) const;
+  void Save(const std::string&   fname) const {Save(fname,8);}
   void Print(const std::string&  fname,
              unsigned int        precision) const;
   void Print(const std::string&  fname) const {Print(fname,8);}
@@ -381,6 +384,24 @@ NEWMAT::ReturnMatrix SpMat<T>::AsNEWMAT() const
   return(M);
 }
 
+/////////////////////////////////////////////////////////////////////
+//
+// Saves matrix in a row col val format that is useful for
+// exporting it to Matlab (use Matlab function spconvert).
+// Is really the same as Print below, but only writes to
+// file as opposed to Print that optionally prints to the
+// screen.
+//
+/////////////////////////////////////////////////////////////////////
+
+template<class T>
+void SpMat<T>::Save(const std::string&  fname,
+                    unsigned int        precision) const
+{
+  if (!fname.length()) throw SpMatException("SpMat::Save: Must specify filename");
+  else Print(fname,precision);
+}
+
 /////////////////////////////////////////////////////////////////////
 //
 // Prints matrix in a row col val format that is useful for