From 924a2d8b5313d1bbe84515fc262db3c7e7d50355 Mon Sep 17 00:00:00 2001
From: Francois Fleuret <francois@fleuret.org>
Date: Thu, 23 Aug 2012 08:07:36 -0700
Subject: [PATCH] Cosmetics.

---
 tracker.cc | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/tracker.cc b/tracker.cc
index 37fbfe2..0e6ed6a 100644
--- a/tracker.cc
+++ b/tracker.cc
@@ -25,8 +25,10 @@ using namespace std;
 Tracker::Tracker(int nb_time_steps, int nb_locations) {
   _nb_locations = nb_locations;
   _nb_time_steps = nb_time_steps;
+
   _detection_score = allocate_array<scalar_t>(_nb_time_steps, _nb_locations);
   _allowed_motion = allocate_array<int>(_nb_locations, _nb_locations);
+
   _entrances = new int[_nb_locations];
   _exits = new int[_nb_locations];
 
@@ -38,6 +40,12 @@ Tracker::Tracker(int nb_time_steps, int nb_locations) {
     }
   }
 
+  for(int t = 0; t < _nb_time_steps; t++) {
+    for(int l = 0; l < _nb_locations; l++) {
+      _detection_score[t][l] = 0.0;
+    }
+  }
+
   _edge_lengths = 0;
   _graph = 0;
 }
@@ -52,18 +60,24 @@ Tracker::~Tracker() {
 }
 
 void Tracker::set_allowed_motion(int from_location, int to_location, int v) {
+  ASSERT(from_location >= 0 && from_location < _nb_locations &&
+         to_location >= 0 && to_location < _nb_locations);
   _allowed_motion[from_location][to_location] = v;
 }
 
 void Tracker::set_as_entrance(int location, int v) {
+  ASSERT(location >= 0 && location < _nb_locations);
   _entrances[location] = v;
 }
 
 void Tracker::set_as_exit(int location, int v) {
+  ASSERT(location >= 0 && location < _nb_locations);
   _exits[location] = v;
 }
 
 void Tracker::set_detection_score(int time, int location, scalar_t score) {
+  ASSERT(time >= 0 && time < _nb_time_steps &&
+         location >= 0 && location < _nb_locations);
   _detection_score[time][location] = score;
 }
 
@@ -107,7 +121,6 @@ void Tracker::build_graph() {
     }
   }
 
-  // We put the other edges after
   for(int l = 0; l < _nb_locations; l++) {
     node_from[e] = source;
     node_to[e] = 1 + l + 0 * _nb_locations;
@@ -161,6 +174,12 @@ void Tracker::build_graph() {
 }
 
 void Tracker::print_dot_graph(ostream *os) {
+  int e = 0;
+  for(int t = 0; t < _nb_time_steps; t++) {
+    for(int l = 0; l < _nb_locations; l++) {
+      _edge_lengths[e++] = - _detection_score[t][l];
+    }
+  }
   _graph->print_dot(os);
 }
 
-- 
2.20.1