From 470d34ddbb6a7c2e09589e4101161a2f3b8a885f Mon Sep 17 00:00:00 2001
From: PalkoNazar <nazikpalko@gmail.com>
Date: Tue, 20 Feb 2018 15:55:25 +0200
Subject: [PATCH] make tmpRow proper size before copyTo to avoid reallocated
 tmpCol (#10860)

* make tmpRow proper size before copyTo to avoid reallocated tmpCol

* do the transposition without creating temporary array; replace TAB with spaces.

* revert the previous commit
---
 modules/calib3d/src/circlesgrid.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/modules/calib3d/src/circlesgrid.cpp b/modules/calib3d/src/circlesgrid.cpp
index bea180f134..694644bbd5 100644
--- a/modules/calib3d/src/circlesgrid.cpp
+++ b/modules/calib3d/src/circlesgrid.cpp
@@ -117,6 +117,7 @@ void CirclesGridClusterFinder::hierarchicalClustering(const std::vector<Point2f>
         Mat tmpRow = dists.row(minIdx);
         Mat tmpCol = dists.col(minIdx);
         cv::min(dists.row(minLoc.x), dists.row(minLoc.y), tmpRow);
+        tmpRow = tmpRow.t();
         tmpRow.copyTo(tmpCol);
 
         clusters[minIdx].splice(clusters[minIdx].end(), clusters[maxIdx]);