fixed undefined behavior

yuni-g · Feb 28, 2020 · 5f2ede8 · 5f2ede8
1 parent bab1008
commit 5f2ede8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/openvslam/feature/orb_extractor.cc b/src/openvslam/feature/orb_extractor.cc
@@ -616,7 +616,7 @@ float orb_extractor::ic_angle(const cv::Mat& image, const cv::Point2f& point) co
 
     const auto step = static_cast<int>(image.step1());
     for (int v = 1; v <= fast_half_patch_size_; ++v) {
-        unsigned int v_sum = 0;
+        int v_sum = 0;
         const int d = u_max_.at(v);
         for (int u = -d; u <= d; ++u) {
             const int val_plus = center[u + v * step];