From: Vincent Rabaud <vrabaud@google.com>
Date: Wed, 23 Jun 2021 19:27:54 +0000 (+0200)
Subject: Do not use = 0 for a cv::Mat.
X-Git-Tag: accepted/tizen/unified/20220125.121719~1^2~20^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b68057d92701e24765d9ff199011f5171d320143;p=platform%2Fupstream%2Fopencv.git

Do not use = 0 for a cv::Mat.

There are several operator= overloads and some compilers can be confused.
---

diff --git a/modules/calib3d/src/chessboard.cpp b/modules/calib3d/src/chessboard.cpp
index dbc4772..18e2605 100644
--- a/modules/calib3d/src/chessboard.cpp
+++ b/modules/calib3d/src/chessboard.cpp
@@ -3924,7 +3924,7 @@ bool findChessboardCornersSB(cv::InputArray image_, cv::Size pattern_size,
     {
         meta_.create(int(board.rowCount()),int(board.colCount()),CV_8UC1);
         cv::Mat meta = meta_.getMat();
-        meta = 0;
+        meta.setTo(cv::Scalar::all(0));
         for(int row =0;row < meta.rows-1;++row)
         {
             for(int col=0;col< meta.cols-1;++col)