From 7a3569f80051d48ac427849c30b2f5685b368b71 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Wed, 6 Jul 2016 17:09:51 +0200
Subject: tracker/pt: fix out-of-bounds write

The input array has exactly 3 points. The vector has potentially more
points, sorted by circularity.

Spotted-by: @DaMichel
Closes #380
---
 tracker-pt/point_tracker.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tracker-pt/point_tracker.cpp b/tracker-pt/point_tracker.cpp
index 1fb4128e..51f10470 100644
--- a/tracker-pt/point_tracker.cpp
+++ b/tracker-pt/point_tracker.cpp
@@ -37,7 +37,7 @@ void PointModel::get_d_order(const std::vector<cv::Vec2f>& points, int d_order[]
     // fit line to orthographically projected points
     std::vector<std::pair<float,int>> d_vals;
     // get sort indices with respect to d scalar product
-    for (unsigned i = 0; i<points.size(); ++i)
+    for (unsigned i = 0; i < PointModel::N_POINTS; ++i)
         d_vals.push_back(std::pair<float, int>(d.dot(points[i]), i));
 
     std::sort(d_vals.begin(),
@@ -45,7 +45,7 @@ void PointModel::get_d_order(const std::vector<cv::Vec2f>& points, int d_order[]
               d_vals_sort
               );
 
-    for (unsigned i = 0; i<points.size(); ++i)
+    for (unsigned i = 0; i < PointModel::N_POINTS; ++i)
         d_order[i] = d_vals[i].second;
 }
 
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