     << ","  << "elements/sec"    // TBB Average Throughput.
     << ","  << "elements/sec"    // TBB Throughput Uncertainty.
     #endif
-    ;
+    << std::endl;
 } // }}}
 
 ///////////////////////////////////////////////////////////////////////////////

      << ","  << tbb_average_throughput        // TBB Average Throughput.
      << ","  << tbb_throughput_uncertainty    // TBB Throughput Uncertainty.
      #endif
      ;
  } // }}}

private:

    << ","  << "TBB Average Throughput"
    << ","  << "TBB Throughput Uncertainty"
    #endif
    << std::endl;

  std::cout << ""                // Thrust Version.
    << ","  << ""                // Algorithm.
