ENH: use long for number of calls in profiling (issue #157)

- provide a static profiling::print(Ostream&) method to output
  values to a log file.

src/OpenFOAM/global/profiling/profiling.C

@@ -73,6 +73,19 @@ bool Foam::profiling::active()
 }
 
 
+bool Foam::profiling::print(Ostream& os)
+{
+    if (pool_)
+    {
+        return pool_->writeData(os);
+    }
+    else
+    {
+        return false;
+    }
+}
+
+
 bool Foam::profiling::writeNow()
 {
     if (pool_)

src/OpenFOAM/global/profiling/profiling.H

@@ -190,14 +190,21 @@ protected:
 
 public:
 
-    // Member Functions
+    // Static Member Functions
 
         //- True if profiling is active
         static bool active();
 
+        //- Print profiling information to specified output
+        //  Forwards to writeData member of top-level object
+        static bool print(Ostream&);
+
         //- Write profiling information now
         static bool writeNow();
 
+
+    // Member Functions
+
         //- The owner of the profiling
         const Time& owner() const;
 
@@ -248,7 +255,7 @@ class profiling::Information
         Information* parent_;
 
         //- Nr of times this was called
-        label calls_;
+        long calls_;
 
         //- Total time spent
         scalar totalTime_;