[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [59128] trunk/blender/extern/libmv/libmv/ tracking/track_region.cc: Fix for uninitialized covariance matrix

[Sergey Sharybin]

Revision: 59128
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=59128
Author:   nazgul
Date:     2013-08-14 05:30:35 +0000 (Wed, 14 Aug 2013)
Log Message:
-----------
Fix for uninitialized covariance matrix

This is likely a culptrit caused #36231: Motion tracker bug in 2.68

Modified Paths:
--------------
    trunk/blender/extern/libmv/libmv/tracking/track_region.cc

Modified: trunk/blender/extern/libmv/libmv/tracking/track_region.cc
===================================================================
--- trunk/blender/extern/libmv/libmv/tracking/track_region.cc	2013-08-14 04:58:14 UTC (rev 59127)
+++ trunk/blender/extern/libmv/libmv/tracking/track_region.cc	2013-08-14 05:30:35 UTC (rev 59128)
@@ -796,7 +796,7 @@
     parameters[1] = t[1];
 
     // Obtain the rotation via orthorgonal procrustes.
-    Mat2 correlation_matrix;
+    Mat2 correlation_matrix = Mat2::Zero();
     for (int i = 0; i < 4; ++i) {
       correlation_matrix += q1.CornerRelativeToCentroid(i) *
                             q2.CornerRelativeToCentroid(i).transpose();
@@ -864,7 +864,7 @@
     parameters[2] = 1.0 - q2.Scale() / q1.Scale();
 
     // Obtain the rotation via orthorgonal procrustes.
-    Mat2 correlation_matrix;
+    Mat2 correlation_matrix = Mat2::Zero();
     for (int i = 0; i < 4; ++i) {
       correlation_matrix += q1.CornerRelativeToCentroid(i) *
                             q2.CornerRelativeToCentroid(i).transpose();