Cosmetics.

[mtp.git] / tracker.cc

diff --git a/tracker.cc b/tracker.cc
index 5a0647b..c66c89d 100644 (file)
--- a/tracker.cc
+++ b/tracker.cc
@@ -60,7 +60,7 @@ Tracker::~Tracker() {
 }
 
 void Tracker::build_graph() {
-  // Delete existing graph if there was one
+  // Delete the existing graph if there was one
   delete[] _edge_lengths;
   delete _graph;
 
@@ -81,11 +81,10 @@ void Tracker::build_graph() {
     // frame to the sink
     _nb_locations * 2 +
     // The edges from the source to the entrances and from the exists
-    // to the sink (in every time frames but the first for the source,
-    // and last for the exits)
+    // to the sink (in every time frames but the first for the
+    // entrances, and last for the exits)
     (_nb_time_steps - 1) * (nb_exits + nb_entrances) +
-    // The edges for the motions, between every pair of successive
-    // frames
+    // The edges for the motions, between every successive frames
     (_nb_time_steps - 1) * nb_motions +
     // The edges inside the duplicated nodes
     _nb_locations * _nb_time_steps;
@@ -211,6 +210,6 @@ int Tracker::trajectory_duration(int k) {
   return (_graph->paths[k]->nb_nodes - 2) / 2;
 }
 
-int Tracker::trajectory_location(int k, int time) {
-  return (_graph->paths[k]->nodes[2 * time + 1] - 1) % _nb_locations;
+int Tracker::trajectory_location(int k, int time_from_entry) {
+  return (_graph->paths[k]->nodes[2 * time_from_entry + 1] - 1) % _nb_locations;
 }