From a40a557caddad5285bd03b79dca5f7a94d1f44c5 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Sun, 6 Mar 2016 09:13:49 +0100
Subject: tracker/pt: don't use exact float comparison in POSIT

---
 tracker-pt/point_tracker.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'tracker-pt')

diff --git a/tracker-pt/point_tracker.cpp b/tracker-pt/point_tracker.cpp
index 599ce2d3..25240635 100644
--- a/tracker-pt/point_tracker.cpp
+++ b/tracker-pt/point_tracker.cpp
@@ -194,7 +194,7 @@ int PointTracker::POSIT(const PointModel& model, const PointOrder& order_, float
         float IJ0 = I0.dot(J0);
         float JJ0 = J0.dot(J0);
         float rho, theta;
-        if (JJ0 == II0) {
+        if (std::abs(JJ0 - II0) < 1e-6f) {
             rho = std::sqrt(std::abs(2*IJ0));
             theta = -PI/4;
             if (IJ0<0) theta *= -1;
-- 
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