changed 'out' methods to have an optional logfilename

Log.h

@@ -38,9 +38,9 @@ namespace Utilities{
       const string& getLogFileName() const { return logfilename; }
       const string appendDir(const string& filename) const { return dir + "/" + filename;}
 
-      void out(const string& p_fname, const Matrix& p_mat);
-      void out(const string& p_fname, const RowVector& p_mat);
-      void out(const string& p_fname, const ColumnVector& p_mat);
+      void out(const string& p_fname, const Matrix& p_mat, const string& plogfilename = "logfile");
+      void out(const string& p_fname, const RowVector& p_mat, const string& plogfilename = "logfile");
+      void out(const string& p_fname, const ColumnVector& p_mat, const string& plogfilename = "logfile");
 
       static int counter() { return count++; }
       ofstream& str();
@@ -65,7 +65,7 @@ namespace Utilities{
 
       if(!logEstablished)
 	{
-	  logfilename = "logfile";
+	  logfilename = plogfilename;
 	  setDir(".");
 	}
 
@@ -89,7 +89,7 @@ namespace Utilities{
     {
       if(!logEstablished)
 	{
-	  logfilename = "logfile";
+	  logfilename = plogfilename;
 	  setDir(".");
 	}
 
@@ -110,7 +110,7 @@ namespace Utilities{
 
       if(!logEstablished)
 	{
-	  logfilename = "logfile";
+	  logfilename = plogfilename;
 	  setDir(".");
 	}
 
@@ -137,7 +137,7 @@ namespace Utilities{
     
     if(!logEstablished)
       {
-	logfilename = "logfile";
+	logfilename = plogfilename;
 	setDir(".");
       }