         partition_method   = "random";
         gpu_idx            = NULL;
         streams            = NULL;
-        partition_factor   = -1; 
+        partition_factor   = -1;
         partition_seed     = -1;
         iterations         = 1;
         traversal_mode     = -1;
-    } // end TestParameter_Base() 
-  
+    } // end TestParameter_Base()
+
    /**
     * @brief TestParameter_Base destructor
     */

        gpu_idx = NULL;
        streams = NULL;
    } // end ~TestParameter_Base()

    /**
     * @brief Initialization process for TestParameter_Base

        int    gpu_idx             ,
        int    num_vertex_associate,
        int    num_value__associate,
        Csr<VertexId, Value, SizeT>
              *graph               ,
        SizeT *num_in_nodes        ,
        SizeT *num_out_nodes       ,
