diff --git a/fastlib/trunk/contrib/dongryel/thesis_research/core/util/timer.h b/fastlib/trunk/contrib/dongryel/thesis_research/core/util/timer.h
index 96897f0285..a1f48a7fc7 100644
--- a/fastlib/trunk/contrib/dongryel/thesis_research/core/util/timer.h
+++ b/fastlib/trunk/contrib/dongryel/thesis_research/core/util/timer.h
@@ -39,20 +39,20 @@ class Timer {
       timeval result;
       timersub(&end_, &start_, &result);
       std::stringstream str;
-      str << (result.tv_sec + result.tv_usec / 1000000.0);
+      str << (result.tv_sec + static_cast<double>(result.tv_usec) / 1000000.0);
       return str.str();
     }
 
     double GetTotalElapsedTime() {
       timeval result;
       timersub(&end_, &start_, &result);
-      return (result.tv_sec + result.tv_usec / 1000000.0);
+      return (result.tv_sec + static_cast<double>(result.tv_usec) / 1000000.0);
     }
 
     double GetElapsedTime(int checkpoint_id) {
       timeval result;
       timersub(&checkpoints_[checkpoint_id], &start_, &result);
-      return (result.tv_sec + result.tv_usec / 1000000.0);
+      return (result.tv_sec + static_cast<double>(result.tv_usec) / 1000000.0);
     }
 
   private:
diff --git a/fastlib/trunk/contrib/dongryel/thesis_research/physpack/nbody_simulator/nbody_simulator_dev.h b/fastlib/trunk/contrib/dongryel/thesis_research/physpack/nbody_simulator/nbody_simulator_dev.h
index fc25fd9c62..61b4bfbfdc 100644
--- a/fastlib/trunk/contrib/dongryel/thesis_research/physpack/nbody_simulator/nbody_simulator_dev.h
+++ b/fastlib/trunk/contrib/dongryel/thesis_research/physpack/nbody_simulator/nbody_simulator_dev.h
@@ -45,7 +45,9 @@ void physpack::nbody_simulator::NbodySimulator::Init(
   table_ = arguments_in.table_;
 
   // Declare the global constants.
-  global_.Init(table_, arguments_in.relative_error_, arguments_in.probability_);
+  global_.Init(
+    table_, arguments_in.relative_error_, arguments_in.probability_,
+    arguments_in.summary_compute_quantile_);
 }
 
 bool physpack::nbody_simulator::NbodySimulator::ConstructBoostVariableMap_(
diff --git a/fastlib/trunk/contrib/dongryel/thesis_research/physpack/nbody_simulator/nbody_simulator_tripletree.h b/fastlib/trunk/contrib/dongryel/thesis_research/physpack/nbody_simulator/nbody_simulator_tripletree.h
index 224211c72b..5bc0b117c5 100644
--- a/fastlib/trunk/contrib/dongryel/thesis_research/physpack/nbody_simulator/nbody_simulator_tripletree.h
+++ b/fastlib/trunk/contrib/dongryel/thesis_research/physpack/nbody_simulator/nbody_simulator_tripletree.h
@@ -383,7 +383,9 @@ class NbodySimulatorGlobal {
 
     void Init(
       core::table::Table *table_in,
-    double relative_error_in, double probability_in) {
+      double relative_error_in,
+      double probability_in,
+    double summary_compute_quantile_in) {
 
       relative_error_ = relative_error_in;
       probability_ = probability_in;
@@ -397,6 +399,8 @@ class NbodySimulatorGlobal {
 
       // Initialize the potential.
       potential_.Init(total_num_tuples_);
+
+      summary_compute_quantile_ = summary_compute_quantile_in;
     }
 };